Moroso Spiral Flow Racing Muffler - 3.0" Inlet/Outlet HYPLXSM11M61FIA Mounting the shifter first without

Mounting the shifter first without the cable and the air slave cylinder attached can cause possible interference from frame rails or other components

the switch gives you the flexibility you want in a POWERSTEP

1960-1966 Chevrolet C20 Pickup CID 350

1967-1972 Pontiac Firebird

Moroso Spiral Flow Racing Muffler - 3.0" Inlet/Outlet HYPLXSM11M61FIA Mounting the shifter first withoutUsing advanced gas dynamics and sophisticated noise cancellation acoustics, Moroso engineers have developed a new series of Racing Mufflers. Specially engineered spiral baffles divide the exhaust flow into two separate paths, significantly reducing noise levels with minimal backpressure. The all steel construction makes them durable our efficient manufacturing process makes them affordable! Moroso Performance Products is one of the worlds most