I fsomeone could help me out and tell me what size exhaust i have i would really appreciate it. i have a 2000 pontiac sunfire 2.2L 5-speed. thanx
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yahooIM: hardcorexsunfire
AIM: hardcorexsunfire
go under the car and measure
1 7/8 inch i think.

Im a Xbox 360 fanboy...and damn proud of it!!
^^ i think your correct..
1 7/8 inch now does that make a difference if it is single or dual exhaust, because i think some of the sunfires if i am not mistaken have dual exhaust.
the dual exhaust makes no difference, its just for looks, its a single pipe all the way back to the muffler where it splits it to have dual OUTLETS (not dual exhaust)
1-7/8" is what it is, as I have the same on my two S-trucks with the same engine. Of course, they didn't bother offering a dual-outlet muffler on it. Guess they didn't see the a point in doing so, since to most 4-banger truck buyers it didn't matter, and to anyone with a lick of sense about performance it'd be like trying polish-up what some think of as a turd.
Go beyond the "bolt-on".