Would a better flowing exhaust help with MPG??

Bryank930 Would a better flowing... 05-30-2008, 08:23 AM

dkjones96 Stay with the 1 7/8". Maybe... 05-30-2008, 08:33 AM

GasSavers_BEEF the generic answer is that it... 05-30-2008, 08:40 AM

theholycow How about headers? Would they... 05-30-2008, 08:42 AM

VetteOwner ive heard headers help on the... 05-30-2008, 09:06 AM

05-30-2008, 08:23 AM	#1
Bryank930 Registered Member Join Date: May 2008 Posts: 6	Would a better flowing exhaust help with MPG?? Would installing a better exhaust with larger piping help with MPG at all on a 2.2L saturn ion? I have a 2.5" Cat-back right now, but the cat pipe is 1 7/8". If I change the cat and downpipe to 2.5" would it help me at all? Thanks, Bryan

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