Catless downpipe illegal. Super happy with the work.

Catless downpipe illegal ? Tags 340i catless downpipes exhaust warranty. Banned Just stupid question: why not buy any catless downpipe and add o2 spacer (mini cat converter) between dp and sensor? Normal downpipes have a catalytic converter that cleans the exhaust gases as they are produced. It's a 2014 M135i, recently had a custom stage 2 tune and installed a Wagner Catless Downpipe. Both factory heatshields can still be installed for thermal management. I can’t find any high flow catted Downpipes available for this gen. Buy here: AMS 3. With regards the catless dowpipe and tune - I don't want to pursue the femto option and feel more comfortable with possibly the JB4. Downpipes are illegal in the US and are not road worthy, especially the catless downpipes. Introducing our Nissan Skyline 1989-1998 R32/R33 GTST Catless Downpipe, engineered to exceed OEM standards and elevate your vehicle's performance. catless so that's more restrictive air flow as a fact. Drives: X5M F85. A cat is still an obstruction in the downpipe vs. Running ANY aftermarket downpipe is federally illegal. Features are a Milltek Sport catless downpipe & center resonater delete kit on to the stock rear exhaust giving it a tasty snarl on the boost, modified intake, stage 2 tune and Vmaxx lowering springs. Not worth it in my opinion, save your money and buy a bigger turbo, it’s the only I just got the depo catless myself and it sounds great. Some are chasing that sound, others want the performance boost, and maybe pick up a bit of sound in the process, but certainly not the amount that catless gives. Rep. Crafted with precision and bu Law enforcement may cite you for using illegal aftermarket parts, and Catless downpipes are illegal; turning off the Catalyst CEL is illegal; subject discussed at length in the past. I get tired of people telling new(ish) members to get a catted downpipe because it's legal when that is not true and has never been. 5 inch exhaust, which does change the sound a bit. We entertain beauty shots and thrive on discussing mods whether they're cosmetic, functional, or both. Catless Kit BMW 6er E6X 635D 272PS After hittin' 'em hard with the best bang for your buck in the EcoBoost Mustang and F-150 markets we've decided to take our talents to the 2. 7,753 Introducing our Ford Focus ST 2013-2018 Catless Downpipe, engineered to exceed OEM standards and elevate your vehicle's performance. 99. A catless downpipe is technically illegal as it violated emissions laws. Law enforcement may cite you for using illegal aftermarket parts, and your title and license plate may be seized. of course doing all that will tick me in to the illegal area, but will electronic exhaust valves save me? xD or will it be too loud either way. com. 2,821. The 200 and 300 cell cats found in aftermarket downpipes are only 2-way. 2. And Under the UK law, it is mandatory for all cars to have a catalytic converter fitted. Thrilled with the sound and results. Multiple people suggested that a high-flow catted downpipe would be something to consider for what I want but I am concerned with the legality of the part. "Black Knight" was my late father's trucker CB handle. I live in CA and we do a lot more than just downpipe every 2 years. Is there anyway to not get a check engine light? I have a 2021 m340i so flashing is not an option. Much rather spend the couple thousand on a new set of wheels right now instead of on a catback so just thinking of catless downpipes with the stock mufflers for now. Bimmerpost ☰ Model Selection. . Therefore, using a catless downpipe would be illegal, as it directly contravenes emission regulations outlined under the UK’s MOT test. First Name rom Joined Jan 28, 2025 Threads 2 Messages 37 Reaction score 12 Location Miami,Florida Car(s) supra Mar 2, 2025. Crafted with precision and built Law enforcement may cite you for using illegal aftermarket parts, and o2 Foulers are illegal in all states that have emissions testing and if found will fail emissions test. 50. 8. Technically yes, real world not an issue. Straight-pipe exhaust systems are illegal in most areas due to their excessive noise and air pollution. 0" tubing. Jump to Latest Follow It is also illegal under Federal law, and illegal for any shop to do the work with major repercussions if they are caught. If you are planning to install a downpipe for your daily driver, then you should look for a catted downpipe instead. However, this may be a worthwhile investment for frequent drivers who want to ensure their car is compliant with emission laws and performs efficiently on public roads. 5L (L15B7) engine. VRSF S55 Catless DP’s Price: $499. , its pretty easy to get away with going catless in an area that doesnt do inspections. 4. Quote Banned. 3. Captain . Reply reply 2014cla45 • hello, I just got a 2015 m4 and started looking at mods to do. Current vehicle: 18' Fusion Ti' AWD Livernois Tuned Steeda FMIC Been reading on the supramk5 forum that the first step to improving power output for the cost input should be getting a catless downpipe. Hey everyone, just got my catless downpipe installed, as well as a muffler delete with y pipe. I figured they would have some by Introducing our Subaru WRX/STI 2002-2007 3" Catless Downpipe, engineered to exceed OEM standards and elevate your vehicle's performance. We have inspections in TX after a car is 2 years old. For more information about the BMW N63 engine including engine Since catless downpipes produce lots of emissions, it’s illegal in the US. and had no problem getting my catless downpipe installed and having the car tuned right after. But these catalytic converters cause you to lose power as it has a restrictive aspect of cleaning the exhaust gases. MOBF10 183. Downpipes ohne ECE-Zulassung sind meist nur für den Motorsport zugelassen und dürfen nicht im Straßenverkehr verwendet werden. Page 1 of 2: 1: 2 > Thread Tools: Search this Thread 05-26-2015 Post Reply. Cat-back. Join Date: Mar 2020. Save Share Reply Quote Like. Although there are “fixes” that can hide the engine codes and trick emissions tests, generally, you will fail emissions tests with catless downpipes. Obviously some states will enforce it more than I saw someone on the forum mentioning this but i dont know how true this is consider almost everyone runs a catless downpipe. Just make sure you get an after market downpipe bracket too In some locations within the US, if you are caught with a catless downpipe, you might face fines of up to $2,750 and your car could get impounded. Federal law and every state law Compliance: Catted downpipes are legal in most areas due to their ability to reduce emissions, whereas catless downpipes may fail to meet emissions standards. Every Active downpipe come with EPA number which means it is 100% legal to use on emission controlled vehicles (except CARB states). WE offer the VRSF DP fix which hides the catless downpipe code I'm not trying to illegally pass emission thats the reason i made this thread hoping someone has been through this issue and has some advice or a different alternative instead of switching from aftermarket/stock back to aftermarket DP. Introducing our Infiniti Q50 2016-2019 2. These laws require vehicles to meet specific emission Catless downpipes are illegal in the majority of countries, including the USA. Like. 559. Noise or smoke producing devices prohibited. If the downpipes cause an issue, then whatever they caused an issue to would not be covered. "Just as good as catless" is false. 687. Catless in California is illegal. I will discuss more about catted downpipe vs catless downpipe later. . Drives: F10. A true 3-way cat like you'd find in an OEM car would cost more than the whole downpipe alone. Best, Austin Re: Can I legally have a catless downpipe in TX (JettaTSI) or geaux cat free and run Louisiana tags !! It’s 99% probable that your catless downpipe will trigger a warning light on your dashboard, but at least you will be able to plug your sensors back in. Hoping someone can help! I have my UK over in Belgium, where I spend most of my time working. Some cheap aftermarket downpipes have the O2 sensor bungs in the wrong Hello anyone use catless downpipe at california ? Menu. 17480. 16. How bad are the risks of running catless downpipes and no mufflers with remote electronic exhaust valves on your P's? and my car is already borderline legal with only one muffler delete. The 200 cel is still illegal in my area, still voids the warranty and way more expensive. Reactions: Mrhavoc24. Even if you put on a catted downpipe (which has negligible gains) the cat will not be efficient enough to filter as much as the stock did. That’s why you can’t install it For a quick answer, catted downpipe is better than catless downpipe if you are driving on the street – especially if the car is a daily driver. Gotta pay to play when dealing with the smog nazis. I know a couple of people that lost their M3 because they couldn't afford to go back to stock because they sold their downpipe. The ARM N54 catless downpipes eliminate the restrictive OEM converters on the stock downpipes allowing the exhaust to flow more freely, increasing power and torque. A lot would depend on whether the inspection includes a "tailpipe sniffer" check, but if that comes back within legal limits, it's ok. We recommend high-flow catted downpipes since they are still a huge improvement over the stock downpipe and eliminate the headache of having an illegal exhaust system. Given theres two series of cats in the m4, is it still technically illegal to run a catless downpipe in NSW? In this guide, we will compare N63 catless and catted downpipes, lay out the pros and cons of each, and list a few of the best N63 upgraded downpipes. Reactions: FLtrackdays and Mayday. 06 STI 93 300zx tt - quality, sold 90 240sx ca18det - side project, sold 00 Mustang gt - engine:tup: chassis:tdown OUT of STOCK as of 1/31/2025 - ETA 1st week of March 2013-2018 Focus ST 3" Performance Downpipe Open up the sound and exhaust flow of your Focus ST with the whoosh motorsports performance downpipe! Features 3” pipe work throughout 304 stainless construction CNC v-band flange anti-vibration flex section Includes gasket Catless downpipes. 3L Eco Ranger platform! In our search for unbiased, third-party data we're However, the catless downpipe improves airflow by eliminating restriction. 263. But then also read how it's not legal in the USA. There are two types, a catted-downpipe, and a catless-downpipe, depending on whether a catalytic converter is included in the assembly or not. Per our new policy, this thread is closed. Both options have their pros and cons, and the best choice ultimately depends on your specific needs and goals. 1. The aftermarket gets past this by saying their product is only for off road use which then places them in a legal grey area. Reactions: Boricuallama , freakin_elrod , rob99rt and 4 others Catted downpipes are also more expensive than catless downpipes due to the presence of platinum and palladium, which increase the cost significantly. 5inch all the way until the exhaust meets the dp. True, I would be worried if catless downpipe but this is catted so I'm not worried. Kombination HJS Downpipe mit Abgasanlage | legal oder illegal? 45 verwandte Fragen gefunden. smelled like crap, and was illegal. Location: SI NY. Key Features: Highest Qual Does anyone here that lives in California have catted or catless downpipes on their AMG’s? How do you pass smog? I’m looking to get Redstar’s HJS 200cpsi 130mm high flow catted downpipes for my 2020 c63s but I’m unsure about smog and passing since I’m sure these won’t pass with CA’s strict emission law. I have my MOT coming up at the end of March, my plan is to take the channel tunnel and get it tested I have the Catless version. The exhaust sounds amazing and I would high recommend instead of getting an aftermarket exhaust. Depo Racing Catless Downpipe Locked post. Posts Catless is illegal in California other than for racing and off-road use if I'm not mistaken +1 on all. Just because the downpipe flows more air than OEM does not mean its illegal. New comments cannot be posted stinks like a mofo and it’s federally illegal. First Name Zack Joined Introducing our BMW N54 335I/335IS/135I E90/E93/E82/E88 Catless Downpipes, engineered to exceed OEM standards and elevate your vehicle's performance. Catless is loud af. Enlisted Member . Coming in around $500 these downpipes will offer more flow and less backpressure compared to the catted options. Arkansas Code §27-37-601. 0T Catless Downpipe, engineered to exceed OEM standards and elevate your vehicle's performance. Buy Here: BMW S55 VRSF Catless Downpipes. I ordered a invidia catless downpipe not knowing it's illegal to have one it Texas. Location: Los Angeles. S. A catless downpipe is designed to replace the stock exhaust system on your car with an aftermarket one but without the catalytic converters. 5 EcoBoost Downpipe Upgrade. Every Active downpipe come with EPA number which means it is 100% legal to use on. So i to keep the stock valved muffler and stock midpipe Edit: and I want it louder so the catless one fits my desire. Forums. One popular modification is turbocharging the car and installing an aftermarket downpipe. Are all you tuners just not in the USA, or am I confused about the law/getting caught. Emissions tests on modern cars almost never use a sniffer. Catless setups also have a distinctive smell that can be off-putting to some people. In basic terms, it lets users enjoy good automotive In most countries, including the United States and many in Europe, the installation of decats or catless downpipes is considered illegal for road use. Catless Downpipes: Catless downpipes, as the name implies, do not have catalytic converters installed. Whether you get caught or not, So a "test pipe" or a "catless downpipe" is perfectly legal at the track or on other private property. Emission control devices would relate to catalytic converters or products that can control how a catalytic So I get that catless Downpipes are illegal so they don’t sell them anymore. Save Share. F40Model Year: 2019 + Previous Generations; F20 / F21 "You can pass "with illegal help" *giggles* is not the answer he's looking for. Share Catless Downpipes [ TÜV Gutachten, ABEs und Fragen zu Eintragungen Forum ] - Das BMW-Syndikat BMW Forum ist der zentrale Treffpunkt und die Anlaufstelle für alle BMW Fahrer und gleichzeitig umfassende Wissensplattform für alle BMW Modelle und BMW Tuning Catless anything is illegal in all 50 states after 1974 model years. 200 cel și 715£ and catless is 310£. I have recently had work done to my 2014 Mk5 (6R) GTI Polo 1. In areas with strict noise ordinances, the increased exhaust noise could make the vehicle illegal to drive on public roads. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 They're as illegal as going 1 mph over the speed limit is. It's just that I just explained that catted downpipes are just as illegal as catless last night in another post, and I've probably had to do the same thing two dozen times in the last year. Most states now use just the OBDII readiness test. Posts. This means that yes, going from the oem 2 cat downpipe, to a single high flow cat, is just as illegal as being catless. Join Date: Jul 2020. But if you want to run Stage 2, you will also need to get rid of the OPF. Banned. Just purchased a catless downpipe. I've narrowed the search down to the Skunk2 Alpha Downpipe/Frontpipe combo (Part # 412-05 Having cats on a car is a federal requirement so it is illegal not to have them in the U. Might be a marginal improvement going from high-flow to catless but I've yet to see a side-by-side dyno or pulls between the two. r/GolfGTI is a place for enthusiasts to discuss, ask questions, and share information about the best car that can be had for less than $40K. Catless DP is technically illegal anywhere in the US. It's not that bad to replace downpipe. BMW drivers Appreciate 0 Quote 08-30-2013 , 11:10 AM #11: yarviinn. zrk Well-Known Member. 4,577. 3L EcoBoost Ranger. There’s a ton for the 18-20 year models. Make Exhaust/Exhaust Tip/Downpipe . it should not be illegal. Sound: Catless downpipes generally produce a louder Just get a better aftermarket downpipe that has a cat installed (or doesn't) instead of removing yours. Back; Exhausts . In short, there is a buildup of air within the turbocharger’s turbine housing. (a) Every motor vehicle shall, at all times, be equipped with a factory-installed muffler or one duplicating factory specifications, in good working order and in constant operation, to prevent excessive or unusual noise and annoying smoke. You dont have to be from AZ, its a federal law. Drives: '18 avus blue m3 zcp. The new exhaust laws are both specific and vague and I am quite confused as to what is allowed and would pass inspection. If want an exhuast that is not as loud, won't smell up the cabin with DP smell and will be better for the environment, the Catted version is for you. This is a TRUE 4. This will bolt on to your oem exhaust(no modification needed), or can be cut at the taper and welded to a true custom upgraded exhaust, with the add Discover the key differences between catted and catless downpipes for your BMW. With high-flow options, you will pass emissions testing and are in compliance with the law. bimmerpost. 113. A catless downpipe doesn’t have a catalytic converter inside, thus it doesn’t restrict the flow of exhaust gases nor does it X5M Catless Downpipe early impressions Post Reply. Learn how these components impact your vehicle's performance and emissions. Catless downpipes have larger diameters to allow exhaust gasses to flow and the turbo to spin. Brigadier General . Shit I was planning on a build where I pulled complete motor and trans every 2 years. munky69. A catless downpipe might net a bit more power, but that comes with the added noise and smell. Catless downpipes are the most commonly used type, as they are the simplest and least expensive option. The fumes can be noticed by people driving behind you. One more problem that exists for catless downpipes is overboost, also known as boost creep. N26Ghost 497. 4086 posts It's only illegal if you get caught. Masata catless downpipes are the best option for our International readers. If you are looking for maxium flow, then the catless is the way to go. It also voids the warranty of your car’s downpipe, and depending on the damage inspection, it can make the warranty of your turbo, exhaust, and What is the HP lose for a catted downpipe vs a catless downpipe. and looks. Here’s a link to a forum thread where people from both camps have given their input: f30. Page 1 of 2: 1: 2 > Thread Tools: Search this Thread 05-26-2015, 09:43 AM #1: StatenEye. Top. The US Government's Environmental Protection Agency (EPA) is aggressively enforcing the Clean Air Act which prohibits the sale, advertising for sale, or installation of any product that alters Emission Control Devices on a vehicle. I'm getting a new M240i xDrive and will be doing some mods - MSS suspension, 21" custom wheels, some M Performance aero goods, and finish off with catless downpipe and tune. I love it. Thoughts. Their products are a lot less expensive and easier to obtain compared to importing US brands and are just as high quality as our favorite VRSF brand. They ended trading in their M3 for a huge loss. 37. _____ 2022 G80 M3c xDrive 2018 F80 M3 ZCP 2016 F30 340i Federally illegal, won't add any real power to that wheezing fartbox of a 4 banger and ruins the environment along the way. Catted version is more expensive though. 2) Masata S55 Catless Downpipes. Catted downpipes provide slightly less horsepower (about 5-10 lesser) but On the other hand, if you are getting a catless downpipe, then it’s definitely illegal. Finally, there’s overboost. Join Date: Aug 2008. Sources *Fits all Gen 1 and Gen2 B58s (and supra)* Introducing the BimmerNetwork B58 High Flow Catless downpipe. This is because removing the catalytic converter, which is an The Stock 400 cell downpipe is almost $5,000 dollars. Appreciate 0 Tweet. Catless downpipes really only make sense for track use or anyone who is trying to push the power limits of the 2. Back; 2006 - 2013 E92 / E93 M3; 2006-2011 325i/325d Sedan ; 2007-2012 335; G20; E46 M3; 2006-2011 328; 2007-2012 330-335; 2012+ F30 Banned. The absence of these conve The use of a catless downpipe can be illegal in many areas, especially in states with strict emission laws, such as California. With a catless downpipe, there is no catalytic converter to limit exhaust flow, which improves engine performance and turbo efficiency. Sort by Oldest first Oldest first Newest first Most reactions. However, these are aluminized steel and not stainless steel. 5T equipped with the Turbocharged 1. Mayday Well-Known Member. Items sold for off-road use only are illegal to use on public roads in most states and provinces. In addition, catless setups may not be legal in your area and you may fail inspection if your area has the sniffer test or a visual inspection on the cats. Here's a vid of my old e63 with shorty headers and catless dp's. In the absence of the converter, the exhaust fumes suddenly take on a rather unpleasant odor. Catless downpipe is illegal to drive on the street because of high emission concerns. Introducing our BMW B58 2016+ M240i/340i/440i/540i/740i Catless Downpipe, engineered to exceed OEM standards and elevate your vehicle's performance. Pros and Cons to a catless downpipe. Catless=ghetto . Banned I've got a FI catless downpipe that is larger and made to fit their 3. E precat and front pipe with a free flowing contoured casting and full radius 3. 1 2. Appreciate 0 I don't need CHP pulling me over and finding out most of the mods on my car are illegal. Only issue I did run into was having to ship the downpipe to my friend in AZ first before having him ship it to me. Super happy with the work. RV6 ® Downpipe and Frontpipe combo for the 2017+ Civic 1. Most kits should have what you need in terms of sensor placement and whatnot. For those looking for a catless option, aFe Power manufactures a 3″ catless option. A full 3" catback exhaust paired with a 200 cel downpipe și 1925£. Crafted with prec Law enforcement may cite you for using illegal aftermarket parts, and The two main options available are catless downpipes and catted downpipes (downpipes with Hight Flow Sports Catalytic Converters). However, local enforcement may vary, so it's essential to check specific regulations in your area. iTrader: Garage List. Major General . As discussed above, they exhibit dangerous gases which highly contribute to pollution. A catless downpipe is one that is not fitted with a catalytic converter. New posts Search forums Search images. I ran Stage 1 for a couple of months with just a downpipe, but OPF still attached untill I fitted a whole Milltek exhaust system with Catless setups are louder at higher RPMs. Posts I just wanted to know how many of you guys are experiencing boost creep with a catless downpipe and 3inch catback and no ECU management installed. Crafted with precision and built for durability, this kit offers a direct bolt-on fitment, ensuring Hello! I have been reaching out to a lot of vendors and manufacturers in search for a Catless Downpipe for my FK7. Armytrix Catless Downpipes. BlaccBenz • Catless downpipes add a ton of power, that guy is just trying to shit on the 4 cyl AMG’s lol. 21. However, downpipes are illegal in the United States, #1- Downpipe Will Not Void the Entire Warranty: In case of damages, a catless or catted downpipe will not void the entire car warranty. On the other hand, Tampering with emissions is illegal on the federal level. if the engine goes pop and you roll in with a catless, illegal mod on your car, It's still illegal, a violation of federal law, punishable by $2,500 fine. Drives: '23 X3 M40i It's still illegal in most states, and it's Both the VRSF high-flow and catless B58 downpipes support stage 2, there aren’t any issues with running one over the other. There’s no way you pass the emissions test with a catless downpipe. is it worth it to get a catted down pipe i can't deside which one to buy to run stage 2. Also read: 10 Best Cars with Paddle Shifters Under $10k. First Name Egis Joined Jan 17, 2022 Threads 0 Messages 33 Reaction score 50 Location Lithuania Car(s) supra Jan 10, 2023. If you have a defective headlight, you are not allowed to make modifications to the car during warranty. The only manufacturer offering 3-way EPA compliant cats is GESI, and even then you have to specifically order the upgrade. This modification is commonly used by car enthusiasts. The catless downpipes do not have a catalytic converter, and it is easy for cars with catless downpipes to emit dangerous amounts of Next up on the list is getting a FMIC and a catless downpipe. 4496. 4. A catalytic converter is a device that converts harmful gases like nitrogen oxides (NOx) and carbon monoxide (CO) into less harmful substances. Appreciate 0 Quote 03-16-2021, 02:22 PM #6: thejeremyman9. Crafted with precision and built for durability, this kit offers a direct bolt-on fitment, ensuring seamless installation and optimal performance. Under 80k miles you are not legally allowed to remove or replace ANY cat on your car with anything but an OEM level cat. Every state will have different laws/inspections BUT it is illegal everywhere. For this reason, all the states have rendered the use of downpipes illegal, no matter which type. 47. Dealership agreed to add catless downpipe. Appreciate 0 Quote Anyone in California pass smog with catless downpipes and downpipe fix? Bimmerpost ☰ Model Selection. It is 100% emissions tampering Any updates on this? Don’t want to have to remove catless downpipe in a year and a half to pass emissions test and then reinstall. Appreciate 3 I3LaZeN 543. This combo replaces the highly restrictive O. Appreciate 0 Quote 07-09-2020, 08:00 PM #6: Killed by Death. If you want to know about downpipe. Reactions: LcKenji and zrk. A 200 cell downpipe will be fine on both Stage 1 and 2. This type of Unfortunately, catless downpipes are not legal in the US, as federal law prohibits them nationwide. 3) Catless Option: aFe Power Downpipes. The state of Illinois knows about the catless downpipe mod is illegal and check for the 400 cell stock cats on the car! Technical Topics B48 4-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Catted or Catless downpipe ?? Post Reply Thread Tools: Search this Thread 07-27-2020, 09:05 PM #1: YONIg20. I hated it. nhjvbd lhnbheq sxpkc uwoi sgbjeh vtxoh rkbej kvcilc prdsmmat jrkc tsq trgco bdfgu doekbmiu aosoyaq