Re: JET KITS????
10-15% from a jet kit!
He's a liar. You're doing well if you can get that sort of improvement out a full race exhaust system.
I'd hesitate to _guarantee_ any significant increase in peak power but you should be able to tune a nice power curve.
Only way you'll know for sure is a dyno run before and after on the _same_ dyno.
"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder