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Which exhaust with emissions?

462 Views 12 Replies 5 Participants Last post by  waveslikeweapons
Hey guys. Probably a stupid question, but I’ll ask anyway.
I’m in PA and have to pass emissions every year. What can I do to my exhaust to get some better sound and still pass the emissions testing?

22 Forte GT.
Thanks.
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Hey guys. Probably a stupid question, but I’ll ask anyway.
I’m in PA and have to pass emissions every year. What can I do to my exhaust to get some better sound and still pass the emissions testing?

22 Forte GT.
Thanks.
Always best to check local laws, ask your smog tech he will tell you.
Honestly OBD 2 cars run better with emissions in place. I was big into the custom compact scene in the late 90's early 2000's. I ran an
emissions legal header, moved close coupled cat with a custom down pipe to under the car with a high flow cat. Finished this off with a cat back exhaust. Setup made a big difference and the car passed emissions and had no codes.
Funny how that works, I had an 80 Toyota pickup with a high compression 22r, big cam, Weber carb no EGR, no cat and a tri-Y header... it passed just fine but failed visual. My 100% stock 84 nissan pickup couldn’t pass out the tailpipe if it had a gun held to its head.
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