I want a good exhaust system (HF Cat, Header, Dual Ex) that will work with a N/A setup. I think my goal for HP will be around 160 at the wheels

ATX 1998 Myst, Sound System DONE, 16" Mille Miglia 11-2 DONE, Air Ride+Lowered+Drilled Rotors http://www.geocities.com/zlujan/night_vision.html(Premature)