I need some help on what exhaust system to put on my 260. I have a stage I cam,triple webers,and new crane ignition with the mallory unilite distibutor. I have a twice pipe system still in the box. but would like some input on what system would give me the best performance and sound????:stupid:

Going thru the post seems like the MSA Twice pipe system I have dual from the 6 into 2 headers I have may be the way to go.

should sound super . Since you already have it I would use it. What size are the pipes 2'' ? this setup sounds like you want performance at the top end. Gary

I want it to be responsive off line line,with a good power curve without having to get the rpm's into the extreme.I guess it will be trial and error for a while.this is my first Z but by the looks of it not the last! I'm hooked:laugh: