




Made 434 with cutouts closed, 471 with them open.. Sounded awesome.....
From: oif1vet




A quick clip of my 1968 Camaro SS Procharged 454ci with cutouts...
From: SSChevroletSet









Newly tuned MTI X1 230/228 .592/.571 112LSA, dual valve springs, 7.4 hardened push rods, titanium retainers, Pacesetter 1 3/4...
From: mrtosh




My 94Z28 puttin down 346.5 RWHP on the dyno!! Full boltons and Cutouts open!...
From: LT1freak









pretty much stock, save for cutouts and resonator delete (at the time). Getting rid of some stockers......
From: mrtosh




Stock manifolds, mac off road h pipe with cutouts , 2 chamber flowmasters dumped...
From: SovereignDragon




427 bbc z28 burnout caltracs converter 700r4 4.56 gears cam headers open headers...
From: z28427




427 z28 bbc 3.5" dmh electric cutouts ported heads, cam, 4300 stall converter, and 4.56 gears. 1980 Camaro Z28...
From: z28427




Idling and low RPMs of exhaust out back vs cutouts...
From: Superman09



