need new cat
i now nothing about ehxaust and i took my car to 2 shops to fix the loud noise that seems to come from the cats..first shop says they can find it... i could be 10 differen things.... second says that looke like it was the cat but it could still be something else and it was 500$ to do the cat... then i took to this guy who works with audis and he told me to just replace the left cat... now...i need some sugestions and opinions., please ...what's the diameter that i should be looking for... if i go aftermarket? help help help
ORIGINAL: a4BRZLowrider
i now nothing about ehxaust and i took my car to 2 shops to fix the loud noise that seems to come from the cats..first shop says they can find it... i could be 10 differen things.... second says that looke like it was the cat but it could still be something else and it was 500$ to do the cat... then i took to this guy who works with audis and he told me to just replace the left cat... now...i need some sugestions and opinions., please ...what's the diameter that i should be looking for... if i go aftermarket? help help help
i now nothing about ehxaust and i took my car to 2 shops to fix the loud noise that seems to come from the cats..first shop says they can find it... i could be 10 differen things.... second says that looke like it was the cat but it could still be something else and it was 500$ to do the cat... then i took to this guy who works with audis and he told me to just replace the left cat... now...i need some sugestions and opinions., please ...what's the diameter that i should be looking for... if i go aftermarket? help help help


