Jones Exhaust F830-8D Full Boar Full Flow Truck Muffler 3.5 Inlet, 3.5 Outlet short-bed 3 V8 1957 - 1967

3 V8 1957 - 1967 Pontiac Laurentian 283/4

6L V8 1975 - 1978 GMC C15 Sierra Grande 350/5

This allows for a more compliant feel while still being able to enjoy the benefits of a stiffer setup such as the reduction in body roll

with its built-in calibrated thermometer

4L V8 1975 - 1978 Ford LTD Landau 400/6

Jones Exhaust F830-8D Full Boar Full Flow Truck Muffler 3.5 Inlet, 3.5 Outlet short-bed 3 V8 1957 - 1967Overview: Jones Exhaust Full Boar Full Flow Mufflers are specially designed for gas and diesel trucks. The straight through core design of these heavy duty mufflers provides maximum exhaust flow with boosts that increase acceleration and engine performance, especially under heavy loads. Features Specially designed to boost performance on gas and diesel trucks Straight through core design for maximized exhaust flow Increase engine performance under