Exhaust Muffler Kit-Stainless Exhaust Dinan D660-0049-BLK fuel-caps P/N 12-846 Adjustable from 40-70psi

P/N 12-846 Adjustable from 40-70psi with manifold reference

Sound Level: Moderate

7 V8 1977 - 1979 Chevrolet K10 400/6

6 V8 1975 - 1976 GMC G25 Rally STX 350/5

Exhaust Muffler Kit-Stainless Exhaust Dinan D660-0049-BLK fuel-caps P/N 12-846 Adjustable from 40-70psiOverview: Dinan's Free Flow Axle Back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration while reducing drone inside the vehicle, thanks to Dinan's exclusive Helmholtz Chamber and Butterfly Valve technologies.