Da Yellow Mp3 Man
Member
O.K. I've got a factory stock mp3, but it's time to modify. What is the best header, I know of 2 compamies HP motorsports and AWR. Also, I want A high performance exhaust from the header back ( NO CAT. CONV. ) who is the best. What about any other mods that will increase horse power??????? I"ve never had a import car before, I have no clue about power and performance on these vehicles.