This is topic Smog legal full exhaust system...Is there such a thing? in forum Tech Talk at Northern California Ford Owners  .


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Posted by Fox89GT (Member # 1539) on :
 
Is there anyone with a 100% legal after market full exhaust system around? What are you using to be fully legal? I think my car has four cats but this will not make too much sense to custom build with 2.5" diameter. What is everyone is California using? Are you all "breaking the law"? [patriot]
 
Posted by 93venom (Member # 778) on :
 
All you need to do is find a set of 50 state legal headers, a catted H or X, and mufflers. I know you can get a set of smog legal headers from the ford racing performance parts catalouge, i think jba makes a set also, theres a handful more to, just got to look around.~Ken
 
Posted by 93venom (Member # 778) on :
 
Oh yah, dont custom build a H pipe, if you want to pass smog just buy an H pipe with cats, they only have 2 instead of 4.
 
Posted by saleen00925 (Member # 1302) on :
 
it is possible.......but no one makes the parts. If you have a newer mustang you will need 4 cats and every aftermarket exhaust system I have seen comes with 2 or none. However the ones with 2 will pass the sniffer test and most places don't actually count the cats so you can get away with it. Also it isn't that expensive to switch the stock pipes back in for a few hours to pass the test. The Cat-back systems don't really effect emissions.....mostly just sound.
 
Posted by Manny (Member # 23) on :
 
I have 2 cats and headers on my car and it passed smog. [Wink]

[ July 20, 2002, 12:03 PM: Message edited by: Manny ]
 




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