Jones Exhaust SD626-7D Super Duty Muffler 3.5 Inlet, 3.5 Outlet BLH this means you get hotter

this means you get hotter spark at the plug to burn the maximum amount of fuel in each cylinder to reach the optimal horsepower out of your engine

7L | 93-91 Caprice 5

7L V8 1987 Chevrolet Blazer 305/5L V8 1987 - 1995 GMC G2500 350/5

GMC C25 (1975)

1 L6 1971 Pontiac LeMans T37 250/4

Jones Exhaust SD626-7D Super Duty Muffler 3.5 Inlet, 3.5 Outlet BLH this means you get hotterOverview: Jones Exhaust Super Duty Mufflers are designed for high flow exhaust applications. These mufflers feature straight through louvered cores to maximize exhaust flow. The aluminized steel construction provides excellent corrosion resistance and superior service life. Features Maximizes exhaust flow Straight through louvered cores Aluminized steel construction Application: Year Make Model Trim and Drive Type Engine Size Universal Specifications: