gman73

Quick question. I see some people recommend a catted h-pipe for the S197. Don't are cars already have a catted h-pipe? Also, isn't already a high flow catted h-pipe at that?

smokestang

Yes our cars have an H-pipe, and yes theyre considered hi-flow cats, but they still choke back some of the tone. aftermarket hi-flows will be louder and meaner sounding, but wont flow any better than the oem cats...so you wont get any performance boost, just a little louder....but isnt that what we all want anyway?....

gman73

I am thinking the MAC prochambers would be a better choice vice a new cat-back system.

smokestang

+1 on the prochamber,im getting one real soon!...they make everything sound good, yet to hear any axleback not sound good with them! if i had gotten one from the get-go i would have saved alot of money in experimenting!