Outside Rev+Idle+Startup of GMMG Catback on an otherwise stock Z28...
From: Specialized









Idle of my 2002 Camaro with: Trickflow Heads RPM3 236/242 Cam Fast 92 Intake GMMG Exhaust ...
From: BlueSLPCamaro




My 2000 Trans Am with a GMMG catback. Stock exhaust manifolds and factory Cats. Just some reving and idle....
From: IrocZTransAm




Bright Purple Metallic 1998 Firebird Formula. In this video, I'm showing off the sound of the GMMG catback + Kooks LTs. Sta...
From: DrEvyl




Cold start of my MS4 SS with Pacesetter LTs, TSP TDs with dynomax bullets and moroso spiral flows under the axle...
From: SS4Luck




This was on the stock engine, with MAC headers and GMMG. Taken with a crappy camera too......
From: ChevyCobb




First startup of my 408, still need to do some minor fixes. Finally after six months. The cam specs are 608/596 240/244 112...
From: lt1camaro95













