2) AND 4" ANSA from Genos Garage Torbo back WITH the ANSA straight through "muffler". Francis Locknear Auto. cant regulate every diesel outside of emissions testing, so cut your muffler and cat off and let 'er breath. You can straight pipe a turbo engine without being obnoxious but an NA engine will just sound awful and be loud as fuck. Disqus. This reduces the efficiency of the Oct 6, 2004 · Yep, any alterations at all is technically illeagal. 0 to pass inspection and it 90% eliminated the scream at idle. #1 · Jan 17, 2011. May 7, 2014 · Mine is completely straight 5" and the 6" tip. May 13, 2020 · Dodge Cummins & Eco Diesel - Eco Diesel Dodge Ram 1500 3. (1) Every motor vehicle shall at all times be equipped with an exhaust system in good working order and in constant operation, including muffler, manifold pipe, and tailpiping to prevent excessive or unusual noise. #10 · Apr 28, 2007. Aug 29, 2023 · The noise level of a straight-pipe exhaust depends on the exhaust system and the type of your vehicle. (a) Every motor vehicle shall at all times be equipped with an exhaust system, in good working order and in constant operation, meeting the following specifications: (1) The exhaust system shall include the piping leading from the flange of the exhaust manifold to and including Jul 11, 2023 · Hey y’all, I’ve got a 98 gmc c2500 with the 6. This means the engine may run without any issues while other systems are in use. Laptop for in truck logging or diagnosis using the EFI DVT tabs. To successfully straight pipe a car, you will need an exhaust pipe cutter. Aug 20, 2023 · The penalties for straight piping in Texas can vary depending on the circumstances and the discretion of law enforcement. at WOT is when it sounds the best!! 2001 F-250 PSD Crew Cab short bed, 4x4 Lariet, only 97k miles bone stock for now. This system reduces the back pressure of the engine and allows the waste gas to flow freely so that the engine can work without any problem. Mar 16, 2014 · Although the magnaflow 4" with muffler system is only $300 and the 5" is $90 more so I hope its worth it. May 16, 2010 · QUOTE (memmi87 @ May 16 2010, 12:08 PM) No cat is illegal, having no mufflers is illegal as well afaik No. Jun 8, 2023 · Yes, a straight pipe is bad for your vehicle, especially when it isn’t a race car. The straight pipe exhaust kit may cost $500 or more, while the labor is $75 to $200, depending on the location and amount of work. I have heard to stick with the 3. I love the sound, but want it louder and to be able to hear it more. State law prohibits renting, leasing Mar 19, 2014 · 6speedSD. Aug 6, 2022 · A straight pipe exhaust system lets out the authentic sound of your car’s engine. Sep 16, 2020 · In most cases, you should go for cat-back exhaust instead of straight piping. Oct 17, 2022 · Is Straight Piping a Diesel Truck Illegal? The question of whether straight piping a diesel truck engine is legal depends on the state you live in. The primary advantage of equipping a straight pipe exhaust to a performance engine is that you’ll see a definite boost in your horsepower. With a diesel, you are far less likely to get busted for a straight pipe than you are with a loud gas truck, especially if you have two 4" chrome tips hanging out under the bumper Personally, I've been Apr 20, 2011 · 19429 posts · Joined 2007. I have seen them on lots of trucks and talking to the owners none have had a problem, but the one who was a D@@@ to the cop and the cop wrote him for mudflaps, lights, noise, muffler, and a bunch of other stuff. Legal? Nope. Share. Cat-back exhaust is legal and it improves both horsepower and sound – this is suitable for daily drivers or people who regularly drive on the street. Exhaust systems, prevention of noise. #5 · Aug 18, 2012. I don't know if its legal or not, but I highly recommend it! Just go easy on it around the cops and you should be fine. For purposes of this subsection, “excessive or unusual noise” includes motor noise emitted by a motor vehicle that is noticeably louder than similar Jun 14, 2011 · Later had to loose the 3" pipes due to custom air ride fab, so I bought a 5"and I found a way to fab it up under the truck first fabbed it up as straight pipe (3" to back of cab then 5" the rest "T"d in front of the hitch and dumping out both sides behind the wheels) It had TREMENDOUS drone, it rattled the plastic plate that goes along the Sure. Now if you are in a county that doesn't do inspections on diesels then you may be able to modify it. #2 · Jul 31, 2007. TwinCam16. Dec 1, 2023 · Tools and Equipment Needed for Straight Piping a Car Exhaust Pipe Cutter. I had a straight pipe 4 inch set up on a 12v 5 speed. If you want your car to sound like shit go ahead. I know what ya mean by the farting sound in OverDrive. May 17, 2021 · Here is what Louisiana has to say about straight pipes: “Every motor vehicle shall at all times be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise. #8 · Mar 6, 2015. #1 The noise can be out of control. You can modify your exhaust with an aftermarket one and you will be good. 16th May 2010 - 12:13 PM Reply Quote. If your vehicle is substantially louder than when it was first registered you may need to get an objective noise test done. Tampering with a vehicle emissions control system is illegal and can negatively affect vehicle performance, void warranties, and contribute to air pollution. 5284 posts · Joined 2007. Technically it is also a spark arrestor, for those places where they're concerned about setting the local brush on fire. #2 Improve gas mileage. Straight exhaust pipes may reach up to 120 decibels, which is quite noisy. Tip: Also check with local county laws in Indiana to make sure you are following any municipal noise ordinances that may be more stringent than state-level laws. Aug 18, 2012 · 284 posts · Joined 2012. Sep 16, 2022 · The cost of a straight pipe exhaust varies significantly depending on the manufacturer and the quality of the pipe you’re getting. DmaxStore. Tia Feb 15, 2007 · That being said, while it may not a violation of (some) state laws, it IS a violation of Federal law. For instance, straight piping a diesel engine would violate California law. As of January 13, 2020, a person may be liable for a maximum civil penalty of $4,819 per defeat device manufactured, sold, or installed, or per vehicle tampered. 06 ECSB GMC. A dealer or vehicle manufacturer who tampers with a vehicle may be subject Tampering is removing, disconnecting, altering, bypassing or rendering ineffective any pollution control equipment installed in a motor vehicle. I contacted them before I removed mine. 02 LB7 Suburban 2500 4x4. If it is a diesel, DPF delete and 6 inch straight pipes. 1) Improved Engine Performance. Muffler cutout, etc. 2005 LLY GMC Sierra 2500HD ECSB. The amount of the fine can range from $200 to $1,000, depending on the county and the severity of the violation. Because of the straight form, sound may flow more readily through the pipe. If you’re caught driving a vehicle without a muffler, you may be issued a citation and fined. Having said that, may people do delete and have no problems. If the vehicle came with a catalytic converter, it must remain to be legal. All stock. it makes the truck louder and lowers egt's a little, the best way to do it is to take all of them mufflers out and just put in pipe, imo you dont need to up grade your ehaxst to a 4" or bigger untill you get more than just a box, but to him his own. The average cost to straight pipe a car ranges from $620 to $2,450 for parts and labor. Hello all, just had a basic question from people who have had experience. Hope this helps. There’s different electronic throttle boosters like the banks derringer or the edge pulsar. chambers or baffle plates or other mechanical design for the purpose. These pipes typically have larger diameters and fewer bends, allowing exhaust gases to flow more freely from the engine to the tailpipe. #3 · Oct 24, 2010. Sound levels vary depending on the type of vehicle. . I can't comment about Nevada, but a straight-pipe won't effect emissions so I don't see a problem. May 19, 2011 · RitzBlitz. If you do it yourself, have the tubing and tools you can do it for almost free. 0 to basically make it sound louder, not really worried about the performance upgrade I have done a lot of research but have some questions. But they do come with some benefits such as improved performance, making your vehicle lighter, and it also improves your fuel economy. Mishimoto 3" hotside pipe with a sock to keep the truck quiet and protect surrounding wires, hoses etc. Technically, the turbo is a muffler. 0L 2014-2019. 4" lift on 33's. 0L EcoDiesel engine also delivers Best-in-Class fuel economy as efficient as 8. Can also knock out the honeycomb material and weld 4" pipes onto it to keep EGT's at present levels. So long as your car is no louder then 90dB, then it'll be fine. Straight pipe exhaust systems are typically designed to maximize exhaust flow while minimizing back pressure by eliminating the catalytic converter, muffler, and resonator. These costs vary depending on car type, location, DIY/professional labor, etc. I wouldnt use flex pipe on a 30-40k truck. Jan 13, 2014 · 3161 posts · Joined 2008. Apr 6, 2020 · Delete Pipe VS 5” Straight Pipe. Jul 31, 2007 · 75 posts · Joined 2006. Transferflow Toolbox/Transfer tank combo. Read FAQ. and/or turbine wheels for the purpose of receiving exhaust. Studded, deleted. He said he had heard that straight piping it was somehow bad on the engine. You can definitely register it at your cabin, but it is NOT legal to remove the emissions equipment from your truck. § 46. I've considered stacks on the dually, but me thinks that'll be just too damn loud in the cab. But that only applies if your car is street driven; the rules for track-cars are a lot different. —The Secretary shall prescribe minimum standards requiring an operator of a pipeline facility subject to this chapter to maintain for the Secretary, to the extent practicable, an inventory with appropriate information about the types of pipe used for the transportation of gas or hazardous liquid, as appropriate Nov 2, 2008 · Your 2000 PSD doesn't require a catalytic converter, so your turbo-back exhaust system is legal, probably everywhere. Straight piping is one of the most popular aftermarket vehicle modifications that can improve the sound and performance of your car. Nov 26, 2023 · 1. 05 GMC ccsb slt 4x4 efi live 3"dp 5"straight pipe built trans airdog blocked rerouted lbz mp power steering. So unless yours is a track-only car, straight piping it will definitely get you into trouble with the law. The 6. Being on your P’s with a straight piped exhaust on a Mazda 3 is absolutely noise pollution. Running on the highway at 60mph would drive me bonkers. 06 Graystone metallic ccsb LBZ. Of course, there’s a way around these legal limits, as long as your straight pipe isn’t the loudest one out there and it doesn’t result in smoke coming out of your pipes. 5" straight piped. straight pipe it man, its one bad azz sound at about 2500 rpm under load. I myself have a 4" downpipe going to a empty cat then to a Corsa muffler. Straight pipe is a no-no and will be looked upon like a smoke bellowing DPF deleted truck before long. The Lone Star State does allow some aftermarket exhaust modifications, but those modifications cannot make the exhaust too loud. Just as lack of speed traps does not mean approval to speed on the highway. In California, the laws regarding straight piping are quite strict. “The Jun 19, 2023 · Straight pipe exhausts are generally not legal in Tennessee. This result occurs because the system reduces the amount of backpressure from the engine, allowing the Sep 23, 2004 · Technically, the turbo is a muffler. There's a couple of engines in the cc but I'm pretty sure they're all turbo'd. It is a lot smoother. HDdiesel supply sells full delete and pipe as a pkg deal. Disadvantages of straight pipe exhaust. To combat these issues, we wanted to install new catalytic converters on our ZL1, but we didn’t want to give up any performance. #4 Aesthetics. 4. #2 · Jan 13, 2014. 30 gal. Jan 25, 2019 · 7508 posts · Joined 2007. Mar 27, 2023 · True straight pipe exhaust systems involve removing the catalytic converter, which is illegal in all 50 states. It is not listed in the commercial stuff either. With the straight pipe you get the "ssssshhhhhh" constant jet engine noise at idle. 5 diesel, it’s got an upgraded turbo, crossover pipe and a heath diesel intake, a couple other small things aswell as being tuned. 10. They only have to do a visual inspection of the exhaust system. 3L Power Stroke Diesel - Straight pipe, pros and cons? - Looking at cutting my stock muffler out of my 97 f-250 power stroke and replacing it so i can have a straight pipe. com. If you are in a dilemma about whether to install a straight pipe in your car, you need to know the advantages and disadvantages. #11 · Apr 15, 2020. Car enthusiasts enjoy hearing their straight piped exhaust system roaring its way through the traffic. Apr 29, 2008 · Ford Diesel & Truck Discussions. It’s much louder which makes you feel like you have lots and lots more power. If there is a visual inspection and they don't find a muffler or cat then Apr 17, 2017 · Then 4" from there back is legal 100%. 040 Fingers Oval Pistons, Manley Pro-Series Forged Rods, Hamilton Cam, Hamilton Pushrods, MaxSpool Dual Valve Springs, SoCal Rocker Studs, Extreme Studs, ARP's Everywhere Apr 8, 2009 · The RCW used to say that you could run a straight pipe as long as it exited above the cab of the vehicle (stack). Straight-piped exhaust systems also tend to emit the smell of raw fuel. Definition of “Straight Piping” For the purposes of this contract, “straight piping” refers to the practice of removing the muffler or installing a straight pipe exhaust system, thereby bypassing the muffler and any noise-reducing components. Nov 29, 2022 · Mainly because it will save you a lot of money on fines. Frame and suspension Sep 29, 2011 · rdefayette. 5" because it is the best fit. ca. Your car might be impounded. Class-Exclusive 3. A muffler’s primary function is to reduce the decibel sound a vehicle makes when the engine is running. Operating your diesel engine at low speed, or just idling it, causes double the amount of wear on engine components compared to normal use. 0 and the 7. 3. Due to this, the performance of your engine decreases and it decreases from 2000 to 2500 RPM. I've seen posts about a fluttering noise and a loss of power. According to state laws, it is illegal to modify exhaust systems to increase noise levels. 1) Straight without any muffler, drone was out of control when towing. of receiving exhaust gas from an internal combustion engine. Mar 24, 2004 · A duramax sounds a lot different. However, any diesel motor is only going to benefit from having increased breathability and reduced restrictions on moving air. Use U-bolts or band clamps (depending on your preference) to tighten A straight pipe exhaust cost varies significantly depending on the brand and the pipe’s grade. Depending on the kind of inspection, it will probably not pass. A straight pipe would not be a good thing imo. Cost of a DPF/SCR/EGR delete is around $1500 with an EZ Lynk and 4" straight pipe. , illegal. May 23, 2017 · For the last decade, diesel engine and truck makers have invested billions of dollars to produce engines that are now near-zero in emissions,” states Schaeffer. Apr 27, 2007 · PSDfan99. . Apr 26, 2016 · Vehicles can’t have straight pipes, bypasses, cutouts, baffles or expansion chambers unless a permit has been granted due to a special event or occasion. #2 · Oct 3, 2006. Aug 8, 2023 · Straight pipe exhaust has several advantages over a muffler. 33" general tire at2's. #6 · Sep 30, 2011. but he did say he was a jerk to the cop Florida. Jun 29, 2005 · Any exhaust shop can bend and weld in a piece. Early 99 F-350. #2 Legal matter. #18 · Mar 25, 2014. There are plenty of 3' kits available with the right rated mufflers. Straight piping, in essence, entails replacing the stock exhaust system of a diesel vehicle with a custom exhaust setup. 5 cummins dodge. 0 has a deeper sound than the 7. But if you replace the straight-thru performance muffler with a straight pipe, be ready to have a heart to heart discussion with the local LEOs about the unnecessary racket your pickup makes when you drive through their area. Picture it as an unobstructed, straight pipe going from the header to the tailpipe. According to the Diesel Technology Forum, using Sep 20, 2022 · On the other hand, straight-piped exhaust systems aren’t legal in the US, while custom exhaust systems are also under regulations in most European countries. I'm not a fan of the straight piped sound one bit. 95 dodge eclb cummins 4x4 5sp slt. Oct 15, 2023 · Sec. It's pretty loud idling and rolling thru gears and climbing hills. 0 L/100 km (35 mpg) hddieselsupply. This is my opinion and the exhaust on mine is homemade also. Apr 28, 2008 · But it is a federal crime to alter any emissions equipment on your vehicle. Labor costs range from about $75 to $200 but may vary based on your area and car type. ”. A straight pipe will definitely make your truck much louder. Jul 5, 2022 · Straight piping a car generally costs between $1,000-$1,500 on average, including parts and labor. This article dives into straight pipes’ benefits, installation costs, and drawbacks. gas from a diesel engine, both of which are effective in reducing. I can't see how this could be a problem with a turbocharger. Mar 6, 2015 · 756 posts · Joined 2007. I searched high and low for it, but they changed it a few years ago. One of the main advantages of a straight pipe exhaust is improved engine performance. While there are no federal laws prohibiting the practice, most states have regulations in place to prevent it. § 316. Article 5. You can go with CAI. Mufflers are just for noise as well. Would i gain How do people in the uk drive straight piped cars without getting pulled over, i wanna straight pipe my car (e92 m3) but idk how much a fine is or if i can even pull it off. I’ve got the 4” delete pipe in there with the stock tail section. In the market to straight pipe my 2005 6. #1 Enjoy engine true sound. 1110 I was wondering if it is legal to do a straight pipe mod on my 03 6. You will see an enhancement in your horsepower. The downside straight piped you have drone loud annoying drone in the cab and Apr 26, 2016 · Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 6 days ago · Additionally, the tone from an exhaust system that is “straight-piped” tends to have a droning sound that can be unpleasant for daily driving. Signs of getting older lol You gain a little mileage with the free flowing exhaust too. #20 · May 21, 2011. com While you want your vehicle to look and sound a certain way, if you live in, or are moving to Arkansas, you’ll want to make sure your Sep 1, 2023 · On average, the cost of straight piping a car ranges from $1,000 to $2,000. The turbo itself is considered a muffling device by the TeXas Depatrment of Transportation. 5" as most shops dont have dies large enough to bend the larger pipe. Track only sure, on the road far too much drone it’ll drive you nuts. I think 5" looks better on the truck with a 6" or 7" tip. I'm just imagining a fucking 10' Passat driving past me with a straight pipe. And the 5inch uses a 4inch front pipe iirc so it's really not that much of a difference unless you are flowing ridiculous cfm. Aug 4, 2017 · 838 posts · Joined 2010. ARENA Creative / Shutterstock. They're not worried about the fine as they're probably unemployed and can't pay it anyway. 3 (which sounds sort of "raspy" to me). It is UNLAWFUL to tamper with, modify, or remove factory-installed emmissions components, including exhaust sytems, particularly if said modification increases noise levels above Federal standards. Violation of the tampering and defeat device prohibitions of the Clean Air Act may result in civil penalties. Straight-pipe exhausts are often noisier than other forms of exhausts. With a straight pipe we're honestly quieter then a Cummins, so unless you're being stupid you probably won't be messed with. Technically illegal but as long as you're not Jan 22, 2024 · Here are some advantages of a straight pipe exhaust system: 1. With a good exhaust pipe cutter, you can easily remove the old pipes and make room for the new straight pipe Jan 10, 2016 · 7. But if you decide to cut the catalytic converters and both of your mufflers, you might be unable to pass the inspection in most states. Police in Australia don’t care about exhausts provided it sounds good and isn’t just noise pollution. Really annoying in the cab after awhile. It is a federally mandated part and since your truck came with one it needs to keep it. You can find a straight pipe exhaust kit for $500-600, but I wouldn’t recommend going Btw no emissions for diesels in Ga. 5" Magnaflow straight pipe w/ 6"x12" tip. You can purchase a straight pipe exhaust kit for roughly $500 – $600, but I suggest you avoid buying a low-cost or brandless one. For a gas, EVERYTHING coming out of the back pipe must have gone through a cat and a muffler. However, the cost of labor can significantly increase the total cost of the installation. com is your top option for Duramax diesel parts. Pre 86 cars dont have to have a cat. Or weld 4" pipes to your cat converter and toss it in. The 3. Violating the straight pipe laws in Texas is a misdemeanor offense, and the penalties can vary depending on the circumstances of the violation. Nov 7, 2022 · Depending on the kit, cut the pipes at the converter or the muffler of the exhaust system using an angle grinder. Just keep in mind that when you register a vehicle outside of Maricopa County, you are not supposed to use it to drive to Apr 14, 2020 · 17 posts · Joined 2020. Hope that helps. Some have to use 3" pipe and expand it to 3. It is important to understand the legal implications before making any modifications to your vehicle’s exhaust system. It shall be unlawful to sell or offer for sale any (i) muffler without interior baffle plates or other effective muffling device or (ii) gutted muffler, muffler cutout, or straight exhaust. Sep 17, 2005 · There is a world of difference in the sound between the 6. Mishimoto LBZ/LMM coldside 3" fittings. Since there are no obstructions like a muffler, resonators, catalytic converter or other components, the car sounds raw and pure. ISSPRO dual EGT gauge. Straight pipe exhaust kits (parts) cost around $700, and labor is a few hundred dollars. You can drive a car or motorbike with no muffler as long as it doesn't exceed the maximum sound level allowed. 272. The vehicle’s owner cannot use a muffler cutout, bypass or similar device. Unless they out a vr6 in it. Oct 12, 2019 · Larger diameter pipes from what I have read are a good benefit to any motor, the main thing is that it meets emissions regs. I believe that a 4" will actually be louder than a 5" and then the 5" will be much deeper in tone. So, understandably, straight piping is not legal. The cost of the straight pipe kit itself can range from $500 to $600. 0 straightpiped is a big difference in sound than a 7. It's a lot quieter. Save Share. 6. its priceless. #1 · Apr 16, 2012. Muffler required. Benefits of a straight pipe exhaust. Exhaust System. 0L Power Stroke Straight Pipe in CA. This includes the cost of the straight pipe kit and the cost of installation. It is a violation of FEDERAL law to remove the muffler or noise limiting device. 40-8-71: Exhaust system; prevention of noise, smoke and fumes. Nov 6, 2022 · Are straight pipes on diesel pickup legal in Ohio? are straight pipes on 2500 duramax legal in ohio. Firstly, it increases horsepower and torque, resulting in improved performance. Florida Statutes. Curt. 2003-2007 6. Lack of testing does not mean approval to break the law. 9. If you have any diesel inspections at all in the county that you live in you will need to keep the cat. This is because the flow of exhaust gas increases which is due to this straight pipe. Changing your car’s exhaust comes at a price, though. #26 · Apr 29, 2011. Measure the length of the straight pipe and cut it to size. #7 · Dec 2, 2013. Aug 20, 2023 · Straight piping refers to the practice of removing or bypassing the muffler and other exhaust system components to create a louder exhaust sound. Aug 29, 2010 · With a safety inspection, you test headlights, turn signals, high beams, seat belts, brakes, powersteering, brake test, tires, lug nuts, at least one mirror, serpentine belt, brake lights, tag lights, and an intact exhaust system. However, a bit of this will depend on what you drive and HOW you drive. Jun 1, 2023 · Penalties for Violating Straight Pipe Laws in Texas. I suggested straight piping it with a 3" or 4" exhaust system. But when at highway speeds and cruising its a night and day difference in sound. A straight-pipe exhaust system is a modification that involves removing the muffler and catalytic converter from a vehicle’s exhaust system and replacing them with straight pipes. It is perfectly legal to straight pipe in Texas. My local shop charged $42 to perform the ectomy. Feb 11, 2023 · Motor vehicles on Texas roads must have a muffler in good working condition that continually operates to block excessive or unusual noise. Straight piping makes you fail the emission test and it makes your car ridiculously loud – this is suitable for Sep 20, 2023 · 1. Dec 5, 2023 · In this comprehensive guide, we look into the mechanics, benefits, legal aspects, and potential drawbacks of straight piping a diesel without deletion. 1. The average cost of labor is between $75 and $200, but it could go higher depending on your location and type of vehicle. It really depends state to state whether or not you get caught/fined for exhaust. Sep 27, 2022 · The quick answer is no, a straight pipe will not hurt your engine but it does come with a few cons such as increased emissions, increased noise, expensive maintenance, and the question of legality. 0L EcoDiesel V6 delivers 240 horsepower and 420 lb-ft of torque at 2,000 rpm. Apr 5, 2013 · Legal or not it sounds good if your outside and hear one go by. Secondly, it enhances the engine sound, providing a louder and more aggressive tone. Mar 8, 2011 · the straight pipe will not set any codes. 3 straightpiped. A first-time offender may face a fine of up to $250, while a second or subsequent offense may result in a fine of up to $500. I can also tell you that sound wise, there is not a whole lot of difference in the noise levels between a straight piped Dec 20, 2021 · Our Rating is calculated using information the lawyer has included on their profile in addition to the information we collect from state bar associations and other organizations that license legal professionals. Some like it some don't. Also, the exhaust must be securely attached to the vehicle and not leak Dec 2, 2013 · 2739 posts · Joined 2007. It shall be unlawful for any person to operate on the highways in the Commonwealth a Aug 27, 2009 · A friend of mine was thinking of installing a performance exhaust on his 98. 155/30's. Now call me a hypocrit b/c ive run straight pipes on all my diesels. #3 Easy installation. 0L? Jan 17, 2011 · 183 posts · Joined 2009. We are the best option for product availability, advice, and more for Duramax trucks. Oct 18, 2019 · List of the Pros of a Straight Pipe Exhaust. Categories. It currently has a 5 inch turbo back exhaust with a big ol muffler and I was just wondering if anyone has had any luck/issues with straight piping these motors. Zf6 swapped with southbend. This tool allows you to cleanly and accurately cut through the existing exhaust system. If there is something I am missing here, please advise. anyway put the striaght on you wont regret it:thumbsup. One of the reasons why a straight pipe is not legal is that it can damage the engine very quickly. Granted sounds good otherwise (most of the time). The link below is the one I am currently looking at. My long awaited Duramax with a freshly installed 4" MBRP turbo-back straight pipe. Oct 22, 2010 · 9942 posts · Joined 2002. If you're the guy with the diesel truck with a programmer that's straight piped and you're Dec 1, 2021 · A straight pipe exhaust system on a car means that the vehicle has had the muffler, resonators, and catalytic converter removed. “No person shall use a muffler cut-out, bypass, or similar device upon a motor vehicle on a highway of this state. Of course, the same applies to those engines with an aftermarket exhaust. A straight pipe exhaust system is a straight pole or pipe acting as the exhaust of your vehicle. 4200 posts · Joined 2009. 1 (855) 347-2779 · hi@yourmechanic. Straight pipe kits cost between $200 and Jul 22, 2017 · Straight-piping the muffler on a turbo-diesel is legal in Texas. 7PS can do some amazing things with a simple delete and factory service intervals - like drive over a million miles . If in doubt contact the RMS for their requirements. The first is an (e) Pipe Inventory Standards. 2500 posts · Joined 2009. 1399 posts · Joined 2006. May 28, 2004 · 1999 - 2003 7. That half inch gains you nearly 3 square inches of cross sectional area. That said, we drive a Duramax and when people think of diesel they think of a Cummins engine. at idle and part throttle, a straight pipe isn't too much louder than stock. A person may not operate a motor vehicle unless that vehicle is equipped with an adequate muffler properly maintained to prevent excessive or unusual noise. This is because driving a car with a straight pipe in the town without a catalytic converter will land you and your car in trouble. Clean diesel fuel, which contains 97% less sulfur, is now the standard for both on-highway and off-highway diesel engines nationwide. Note that I have the original exhaust and a K&N filter. Andy 22. May 6, 2024 · Straight pipe exhaust: pros & cons. WAC 206-10-038 addresses exhaust standards in Washington State. I had strait pipe, then went to 4" strait pipe, they sound about the same to me. I won't get into the argument of mufflers, I'll simply state the one thing people forget-removing a federslly mandated piece of emission equipment is illegal. Attach the pipe to the truck’s exhaust manifold on the inside or the outside, depending on the kit. Mufflers. Lastly, it can lead to improved fuel efficiency, as the removal of restrictions allows for better airflow. The govt. Dec 18, 2010 · Muffler defined: Muffler is a device consisting of a series of. Added a muffler on my buddies 6. #2 · Aug 5, 2017. Straight Pipes are illegal EVERYWHERE except on a track. This includes dpf, catalysts, egr, catylitic converter, muffler, etc. Damage the Entire Engine. 8. Done it both ways. 11 GMC 3500HD LML 4x4. 2-1047. No difference in EGT or WOT sound. To remain legal, vehicles must have a muffler and tailpipe that does not exceed the maximum noise level set by the state. A duramax does not sound like that in OD when crusing. Oct 2, 2006 · 1021 posts · Joined 2002. Recently I deleted my truck finally, and it sounds awesome. 3l's and I wouldnt concider a muffler unless I was scared to have one sweeeeet sounding rig. The extra wear takes two forms. #2 · Jan 25, 2019 (Edited) Maybe a little cooler EGT’s straight piped, I never noticed anything for the better or worse with acceleration, straight piped. 2005 F350 CCLB Dually. By federal law (Clean Air Act), straight pipes are not legal anywhere in the USA if the vehicle is being used on public roads. Increased Performance and Horsepower. I have had straight pipes on 2 different 7. in CA it would be up to the officer if the truck is too loud or not as CA has a muffler rule. Apr 16, 2012 · 27 posts · Joined 2010. nz id vl gf mn uf pe ak fk yo