Catted headers technically WILL NOT pass emissions because they are not 50 or even 49 state legal since they have been moved from the OEM location. Now, some tuners can set the tune in such a way that when connected to the scanner for the readiness testing they can get you a “PASS” reading.
They use the OBD-II self test to determine if the vehicle’s emissions system is up to snuff. In that case, as long as the car does’t report any …
I really want the long tubes but I don’t know if I want to risk having over 2K worth of exhaust that I can’t get past emissions.
Will Catted long tube headers pass emissions?
Catted headers technically WILL NOT pass emissions because they are not 50 or even 49 state legal since they have been moved from the OEM location. Now, some tuners can set the tune in such a way that when connected to the scanner for the readiness testing they can get you a “PASS” reading.
Do long tube headers fail emissions?
long tube headers fail the visual test. the do pass smog though on the emissions test so its usually ok.
Do headers pass inspection?
Here in California most long tube headers are not allowed and would probably fail the visual inspection. It probably depends on the emmisions requirements for your state. Some states (like California which is probably the most restrictive) are much more restrictive than others. This is very true.
Can you drive with long tube headers?
Will aftermarket headers cause my car to fail the smog test? Unless the aftermarket headers you purchase and install have an EO stamp, meaning they have been tested by the California Air Resource Board and been issued an Executive Order number, yes they will fail the smog inspection; as a tampered emission component.
Do headers pass smog?
Yes. Stock cats are restrictive and might negate the long tubes.
Will I pass smog with aftermarket headers?
Will aftermarket headers cause my car to fail the smog test? Unless the aftermarket headers you purchase and install have an EO stamp, meaning they have been tested by the California Air Resource Board and been issued an Executive Order number, yes they will fail the smog inspection; as a tampered emission component.
Will a high flow Catted downpipe pass emissions?
Catted downpipe does not pass emissions inspection. Thanks for the info sir! This was the post I was expecting for a long time. Catted downpipe does not pass emissions inspection.
Can you use cats with long tube headers?
Yes. Stock cats are restrictive and might negate the long tubes.
Will Catted headers pass smog?
A catted header will fail the visual on a smog test.
Are Catted headers California legal?
Even if you get a catted header, it is technically not “street legal” for CA standard. The only thing that would be is the OEM header. Most folks just get the header they want and keep it until the car needs to be smogged.
Are headers smog legal?
Will aftermarket headers cause my car to fail the smog test? Unless the aftermarket headers you purchase and install have an EO stamp, meaning they have been tested by the California Air Resource Board and been issued an Executive Order number, yes they will fail the smog inspection; as a tampered emission component.
Are long tube headers legal in CA?
“Legally” there are NO long tube headers that are smog legal in CA. The reason is, the cats have to be in the stock location, and obviously that isn’t possible with a long tube header. You can have legal shorty headers because the headers stop before the cat, and the cat remains in the stock location.
More Answers On how to pass emissions with long tube headers
pass emissions with long tube headers | SVTPerformance.com
The slow response code is for the front O2’s (sensor 1) and once that is fixed, you will then start throwing 0420 & 0430 codes (sensor 2), if, and only if, the rear O2’s are turned on in the tune. The cat monitor will never go “ready” with no cats or if the rear O2’s are turned off. Reply. Sep 29, 2014. #7.
Passing emissions with long tube headers : cars – reddit
Passing emissions with long tube headers. I just recently finished getting my 2005 gto 6.0 back to its original glory, and I have the bug to start working on some more power. I really want to put a set of kooks 1 7/8 headers but I live in Denver where I have to get emissions done every 2 years. I know a lot of it will be dependent on how well …
Will I pass emissions with Long Tube Headers?
2) Yes, as long as ALL of your exhaust parts are listed as being for a Type S, or ALL of them are listed as for a base, they’ll work. Just don’t mix-and-match base and S parts and you’ll be fine. 3) I would think only a couple hp will be gained on the low-compression, small-cam A3, especially without a tune to take advantage of the increased …
Passing emissions with Long tube headers and high flowing cats
If it is, you will need a tune that does not turn off the down stream O2 sensors then you will need to get O2 extenders that move the O2 way from the direct exhaust flow. This will trick the ECU into thinking the high flow cats are working in spec.
Passing emissions with longtubes – SVTPerformance.com
102. Location. Statesville, NC. Our GREEN cats are EPA certified and have a terrific track record of allowing the rear O2 sensors to remain on with most applications. Kooks long tubes and GREEN cats should be able to pass emissions in most all areas. May 11, 2016.
Passing emissions with longtubes | Ford Mustang Forum
MaDDMaNN said: I have Long Tube headers with a catted Pro-chamber using Pypes ceramic catts from American Muscle. I passed emissions hear in Atlanta area. I didn’t see a list of mods that you are running. I also run double stacked non-foulers. You have to make sure your rear O2 sensors are activated.
Long tube headers and passing inspection – Mustang6G
I have a 2015 GT that is due for its first emissions inspection in May (next month). It currently has Stainless Works catted long tube headers, Ford Racing by Borla Touring cat back exhaust, JLT CAI and custom tune by BAMA. I believe the O2 sensors have been disabled by the tune. I was getting a check engine light until BAMA adjusted the tune.
long tube headers w/cats = do you pass emmissions?
My Raptor has longtubes/high flow cats/tune so prior to emissions testing I have to remove the tune and get the truck back to stock. Then have to drive around about 20mi’s to get the cats “emissions ready” then it passes with the long tubes and high flow cats in place. Then just download the performance tune again. Sounds like a hassle but it’s …
Passing Emissions With Headers – TrackMustangsOnline.com
Long story short, I can get the car to pass emissions, but not without effort. I bought an OBDII blue tooth unit and an app that I can do the readiness test with. Basically, I have to install the catted tune, then get through the drive cycle, usually about 55 to 75 miles. If I can test it myself and get the car in and have it testing before the CEL, then it will pass as Utah allows one test to …
Can I pass inspection with long tube headers? – LS1
6. Trans AM. 2001 WS6. Ive got long tube Pace setter headers and 3 inch to the hooker muffler, SLP air box, Cam and torque convertor changed and Jeff did my dyno tuning. He is a great person to deal with. My T/A runs 11.80s flat at 115 mph in the 1/4 & 7.50s in the 1/8. If you do what I did plan on changing the carrier in the rear end, (weak …
Will I still pass emissions in CO with aftermarket long tube headers on …
If you pass the sniff then you’ll get the pass even though you’re technically supposed to auto-fail because of the changes to an emissions system. If I were you I’d swap em out and check it but you might wanna get it tested when you buy it so you have time to get it tuned properly to pass whenever you get the headers.
LONGTUBES? and passing emissions test? – Ford Mustang Forum
That means you’re going to get sniffed and with long tubes, it’s doubtful you’d pass the check even with cats. Long tubes just put too much out. Member: Mustang Club of America #82740, White Mustang Registry #362, NMRA, Fun Ford Weekend, Mustangs of Burlington M O OG Certified Technician For mods and sound clips, see profile and gallery. Save Share. b1lk1 · Registered. Joined Jul 31, 2008 …
passing emissions test with long tube headers – Nissan Titan Forum
if they don’t put the sniffer in the tailpipe you’ll pass with the powerflows it comes with a emulator telling the obd-II sensor and your ecu everything is fine and normal, that’s how they test here in nc.. is just by hooking up to the obd-II sensor under the dash B buzzkillwill Registered Joined Jan 29, 2005 2,955 Posts #4 · Jul 6, 2006
Passed emissions with Doug Thorley Long tubes! – Toyota Nation Forum
231 Posts. Discussion Starter · #1 · Jun 17, 2009 (Edited) Yup! Passed emissions (on the dyno) with the Doug Thorley long tube headers! So apparently the 2nd set of cats (stock y-pipe) is good enough to pass emissions!! Here are the readings: HC GPM : 0.5211 Limits: 1.2000 Results: Pass. CO GPM: 4.1118 Limits: 15.00000 Results: Pass.
Can I pass inspection with long tube headers? – LS1
LTH’s & MLD’s are not as efficient at eliminating emissions as factory designed systems are. When you cold start an engine, it takes a while for the cat to heat up. When the cat is cold, it does not do its job of eliminating harmfull emissions. The shorter the distance from the exhaust manifold to the cat, the less heat escapes which is less efficient. This is one of the biggest reasons that …
Long Tube Headers and Emissions – StangNet
The headers must have a CARB # to be considered emissions legal and there are no long tubes that I know of that have that. The LT headers may pass emissions, but will fail the visual inspection. You can install them on a non pollution-controlled vehicle but they are absolutely not legal on ours
Long tubes and emissions in Georgia | LX Forums Forum
2007 BB Charger SRT8 Airaid CAI, 180 Tstat, BT Catch Can, D1S HID headlight conversion, red led interior swap, Magnaflow cat back exhaust, MTCM, 3.73 getrag, six speed motor mounts, Lakewood 70/30 front shocks w/ V6 springs and 50/50s in back, SRT Max Plus, Paramount 55series Nag1 and torque converter, CTP solid cradle bushings
Do long tube headers replace cats? – cloye.vhfdental.com
long tube headers fail the visual test. the do pass smog though on the emissions test so its usually ok. Installing Headers On The LAST Naturally Aspirated AMG V8 Was A NIGHTMARE But The C63 Sounds CRAZY! 27 related questions found. Can I pass emissions with headers? Well-Known Member. Catted headers technically WILL NOT pass emissions because they are not 50 or even 49 state legal since they …
Smog legal LongTube headers w/ Catalytic converters – why not?
There isn’t a single 2 catalytic converter intermediate (whether it is a shorty or designed for long tubes) that is smog legal.. If it came with 4 cats it won’t pass smog without 4 cats. (unless you live in a state with no visual inspection) Unfortunately long tubes are a dead giveaway that the emissions aren’t “factory”
20 Car Mods That Are Illegal (But Most Drivers Get Away With)
Headers aren’t illegal, however, long tube headers on the other hand are a bit of a different story. Not only will they make your vehicle louder, but it is also considered tampering with your vehicles emissions, which according to the EPA is illegal under federal law. Drivers will most likely get away with it as long as your catalytic convertor and O2 sensors are still intact. If your state …
emission testing with headers – Dodge Challenger Forum
Discussion Starter · #1 · Oct 11, 2010. went for my first inspection on my car and where i live the emission testing is pretty tough. with the kooks lt headers and free flow cats there equipment said that the catalyst and o2 sensors were not passing test. had the o2 sensor turned off to keep from throwing a code, but turned back on with tuner …
Long Tube Headers & Check Engine Lights Explained
3. Boss H-Pipe w /”green” cats – likely to pass both a visual and a sniff test (+$350) over 2) above. 4. Boss H-Pipe w/ ” green-green” cats – NO CEL (+$700) over 2) above. Note 1: Option 1-3 will trigger a CEL. Note 2: Option 1-4 alternatively available in an X-Pipe with no side exhaust provision.
6.4 HEMI Headers Upgrade Guide – Best 392 HEMI Headers – Tuning Pro
392 HEMI Long Tube vs Shorty Headers. Long tube headers generally have longer individual pipes before connecting together versus a short tube header (hence the name). Long tube headers not only offer faster exhaust gas flow, but also a benefit to overall scavenging. Scavenging is the process of replacing the exhaust gas with fresh air for your …
Longtube Headers with emissons test – Modded Mustang Forums
So if i have longtube headers with a cats H-pipe and a cat-back system will i pass emissions? because im movin back to illinois and they got that gay **** there . Selling Mustang So Im Selling All M112 Parts . Save Share. Reply. Cricket · Zoolander. Joined Sep 10, 2005 · 7,719 Posts #2 · Feb 28, 2007. Only show this user. you can still pass, but if you find a stingie place they may fail you …
Passed emissions with Doug Thorley Long tubes! – Toyota Nation Forum
231 Posts. Discussion Starter · #1 · Jun 17, 2009 (Edited) Yup! Passed emissions (on the dyno) with the Doug Thorley long tube headers! So apparently the 2nd set of cats (stock y-pipe) is good enough to pass emissions!! Here are the readings: HC GPM : 0.5211 Limits: 1.2000 Results: Pass. CO GPM: 4.1118 Limits: 15.00000 Results: Pass.
How can I pass emissions test with box Lt headers – Camaro5.com
Emission testing doesn’t start until the fifth year for new cars in Ontario. If you plan on keeping the car put the headers on enjoy them and if it doesn’t pass in a few years just switch back for the e-test. Get this confirmed but I do not think you will have e-test that car till 2016.
Passing emissions in Utah with long tube headers?
From what I have heard the light will come on because you will have no cats. so I dont think it will pass.
A Possible Way To Pass Smog With Long Tubes In California
Discussion Starter · #1 · Aug 28, 2007. Only show this user. LOL Guys, I just had a funny idea. I have JBA Shorty Headers; The CARB Seal Of Approval is only tack welded on in two places found on the vary edges. If you were cut that off and RE-Weld it back on to lets say a pair of KOOKS Long Tube Headers, How the **** would the smog people …
Was Just Told By INspection Place, that, my car with Headers, will fail …
long tube headers fail the visual test. the do pass smog though on the emissions test so its usually ok. i talk to the shop that installed your headers, they will refer you to a “cool” smog inspector. ive been doing this little dance for a long time now, not once did i have to remove my headers. – Steve . Save Share. RitzRT · Registered. Joined Feb 12, 2007 · 7,050 Posts #9 · Apr 19, 2007 …
Headers and Y pipe with emissions – LS1LT1 Forum
i need to pass emissions, my car goes on the sniffer, it doesnt go through the OBD2 computer, if the car fails in RI i have 30 days to pass, if it doesnt pass in 30 days i turn my plates in or pay a $500 fine . 95 Camaro z28 A4 SLP CAI, Magnaflow Catback, Ported TB, MSD Blaster Coil, 3.23s, Pacesetter Ceramic Coated Long Tube Headers, Pacesetter ORY, 3″ QTP Electric Cut Out 13.622 at 102 …
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