Itis worth it man, really opens up the powerband, much better throttle response. seems to help more than i expected, probably because I already have a low restrictive dual exhaust system.While in AutoTech school the thing i remember mostwas whatmy ASE certified instructor told me, he said, "An engine is nothing but a big air pump, the more air the better, the quicker it leaves the engine the better. Anyways the instuctions on onstalling the FIPK look tough, but really its pretty simple.