Header and Y Pipe Questions
09-30-2008, 09:28 PM
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Header and Y Pipe Questions I just bought a 99 Z28 and the first thing i really want to do is get some headers and the y pipe so ive been looking at the tsp combo (lt headers and tsp y pipe)....i want to have it so it'll pass emissions and since i'm in the military i never know when i ll have to leave and sell the car. If i bought and installed the headers and non off road y pipe it shouldn't run any codes right? Should i get it tuned afterwards too? Is there any advantage to having an off road y pipe? I've been reading a bunch of stuff online and it just confuses me even more.
09-30-2008, 09:38 PM
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It will throw rear O2 sensor codes, but they are easily turned off with a tune.
Offroad pipes are cheaper and louder because they do not have catalytic converters. If they test your car using the sniffer, you'll probably fail?
Offroad pipes are cheaper and louder because they do not have catalytic converters. If they test your car using the sniffer, you'll probably fail?
