Flowmaster 50 Series Delta Flow Muffler - 2-1/2 in Offset Inlet - 2-1/2 in Center Outlet - 17 x 9-3/4 x 4 in Oval Body - 23 in Long - Black Paint - Universal 842551 Hays head bolts

head bolts

Includes key and 4 set screws to lock pulley to the shaft in a positive manner

1981-1984 Pontiac Grand Prix

Fits Simpson Venator Snell SA2015 Helmets

Cooling slots help dissipate heat and the scalloped shape saves weight without sacrificing braking

Flowmaster 50 Series Delta Flow Muffler - 2-1/2 in Offset Inlet - 2-1/2 in Center Outlet - 17 x 9-3/4 x 4 in Oval Body - 23 in Long - Black Paint - Universal 842551 Hays head boltsThe three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 409 Stainless Steel Limited Lifetime Warranty Mild to Moderate