Test pipe Emisions test
#11
RE: Test pipe Emisions test
i did something once on my civic that probally won't do you any good on an audi. I had a 92 civic si with 2.5 stright pipe no cat and how i got though emissions was i cut the sheild off the cat and slide it over the exhaust pipe and put it about where the cat was on the car and welded it in place went though 3 emissions tests with it like that and no one ever said anything about it
#13
RE: Test pipe Emisions test
It'd be much easier to hollow your cat, put another pipe inside, and then weld it up, rather than trying to peel the heatshield off the other one without making it look obvious what you did... any good exhaust guy would be able to tell.
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greenday
Archive - Engine/Performance Parts
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11-29-2005 03:43 PM