Need help just installed new GMMG cat back and can't stop raspy sound
03-30-2011, 09:35 PM
#24
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Location: El Paso, TX again
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Bosch's O2's in my fronts are still good 2 years now but I have heard of others having problems.
Could be gutted cats, would explain a lot.
It's not hard to change them on stock manifolds. I change mine(TR55's)once a year no matter what milage. Took me about an hour the 1st time. Now bout30 each time. #8 is the hardest with the cat in the way.
Could be gutted cats, would explain a lot.
It's not hard to change them on stock manifolds. I change mine(TR55's)once a year no matter what milage. Took me about an hour the 1st time. Now bout30 each time. #8 is the hardest with the cat in the way.
03-31-2011, 08:45 PM
#25
Teching In
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gonna change the plugs poss next week. now snowing again and car is at he body shop to paint new sunoco hood. will try the plugs first and report back. as far as gutted cats I suppose anything is poss but the hardware looks unmolested and I removed a factory cat back to install this system. hope the plugs work. if not I will live with it until I get my headers and catted y pipe.
