sounds like open headers or straight pipes
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1992 Camaro RS LO3/700R4
Holley 600 Double Pumper, Weiand Stealth Intake Manifold, Hedman Headers and Modified Hedman Y-Pipe(Ported and 3" Pipe), Straight-Pipe Cat, Flowmaster 3" 2 Chamber Race Muffler, 160º thermostat, 3.73 Posi, Boxed LCAs, Kumho 255/50s, Polyurethane Transmission Mount, and B&M SuperCooler.
Waiting To Be Installed: ZZ4 Cam
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