exhaust system
#2
07-23-2006, 11:58 PM
RE: exhaust system
Yes. the new monte's have a flaw in the exhaust... it is called the U-bend. it is a bend in the exhaust used to protect the O2 sensor thatis after the cat. it is a major restriction in the exhaust. also all the piping is press bent so replacing that Ubend and the remaining exhaust with mandral bent pipe will free up a good amount of power... esp if you have an intake.
#3
07-24-2006, 04:11 PM
RE: exhaust system
ORIGINAL: z34phoenix
Yes. the new monte's have a flaw in the exhaust... it is called the U-bend. it is a bend in the exhaust used to protect the O2 sensor that is after the cat. it is a major restriction in the exhaust. also all the piping is press bent so replacing that Ubend and the remaining exhaust with mandral bent pipe will free up a good amount of power... esp if you have an intake.
Yes. the new monte's have a flaw in the exhaust... it is called the U-bend. it is a bend in the exhaust used to protect the O2 sensor that is after the cat. it is a major restriction in the exhaust. also all the piping is press bent so replacing that Ubend and the remaining exhaust with mandral bent pipe will free up a good amount of power... esp if you have an intake.
#4
07-25-2006, 08:37 PM
RE: exhaust system
the U bend is for the post cat O2 the pre cat o2 is in the engine bay by the fire wall... so the Ubend will be after the cat. yes the gain will be significant if replacing everythign after the cat. and even better if replacing the cat too.
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