just got back from the shop and im excited
my friend works there and hes tellin me custom Intake
and custom straight 2.5" exhaust with a resonator and muffler 250 installed. thats very cheap.
If it's a crush bent exhaust, I wouldn't bother with it. Mandrel bends are the way to go as far as flow rates of piping.
And to those who want to run straight pipes without a cat, do us and the enviornment a favor and buy a carsound hi-flo cat. It will flow much better than the stock cat, keep the exhaust quiter than a straight pipping, and still keep smog down.
Also, use magnaflow straight through resonators on your custom exhaust setup to get rid of any "ricer buzz" without sacrificing flow.