whisper motorsports air box lid [Archive] - GrandAmGT.com Forum


View Full Version : whisper motorsports air box lid

07-10-2006, 09:32 PM
Does anyone know if removing the fins from under side of airbox lid really improve power.. I read that whisper motorsports had put one on a camaro and it added 17 hp.. This was supposed to have been in a gm tech book back in late 90's

07-10-2006, 09:54 PM
no chance. get a CAI. www.doctorspeed.com