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mike2002 · 03-23-2005, 10:55 PM

You forgot a reprogrammed PCM to take advantage of all your mods

i think 2.5 is a little big for a near stock cars exhaust....you may want to say, light bolt on's is 2.25 tops, 2.5 for heavier mods. i know lots of other much more powerful cars recommend 2.5", and where talking 300+hp. what you need is maximum velocity and scavanging effect (smaller pipe helps with this) and minimum backpressure (free'er flowing muffler)

nice list

03-23-2005, 10:55 PM	#7
mike2002 GLS member Join Date: Aug 2004 Location: rosemount, MN Posts: 1,340	You forgot a reprogrammed PCM to take advantage of all your mods i think 2.5 is a little big for a near stock cars exhaust....you may want to say, light bolt on's is 2.25 tops, 2.5 for heavier mods. i know lots of other much more powerful cars recommend 2.5", and where talking 300+hp. what you need is maximum velocity and scavanging effect (smaller pipe helps with this) and minimum backpressure (free'er flowing muffler) nice list __________________ 2001 Alero GLS - Sold!