Originally Posted by 2fast4thelaw

I really like my Stillen exhaust. It sounds great and not over the top! I matched it up with the Stillen Hi Flow Cat Converters and the Stillen Generation 3 Cold Air Intake. All of the above together according to Stillen is 50 Fly wheel Horespower gain which is apprtoximately 35 Horsepower to the Wheels.
I don't know how you Brazillians measure power but I assume its either Horsepower/Torque Ft/lbs or KW/hr - Torque N/m