cat ?
#2
TECH Junkie
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Join Date: Sep 2004
Location: Fort Myers, FL.
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none, gm does have a 8 year 80,000 mile warranty on the exhaust. you could just get it replaced for free if you are under like I did but i still ended up blowing the cats again. I say take the cats out and get o2 sims. If you have to have cats get some high flowing cats.