OK. I am getting a custom 2.5 to 2x2.25 exhaust built with Gutted pre-cats, Optimized-jethot-coated y-pipe, hiflo cat., hi flo res, into 2 magnaflow mufflers.
Anyone have a good estimate as to what my HP gains will be?
Any input would be appreciated.
1998 Black SVT (#469 on 4-24-1997)
Custom Cougars CAI
Custom Magnaflow exhaust
opt. jet-hot-coated Y-pipe
B&M short shifter
Stazi Rotor & Brake kit
17x7 Enkei RO56's
Mirco Splitter
15.45 @ 89.03 (Stock /w worn clutch)
172HP 164TRQ (stock)
