Flowmaster 40 Series Chambered Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Center Outlet - 13 x 9-3/4 x 4 in Oval Body - 19 in Long - Black Paint - Universal 42441 RACEceiver Earbuds Earmolds & Speakers 1991 Chevrolet C2500 CID 454

1991 Chevrolet C2500 CID 454 GAS

Micro Sprint Car

Installation is as simple as removing factory module and replacing with Holley module

Alecular AM

Flowmaster 40 Series Chambered Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Center Outlet - 13 x 9-3/4 x 4 in Oval Body - 19 in Long - Black Paint - Universal 42441 RACEceiver Earbuds Earmolds & Speakers 1991 Chevrolet C2500 CID 454The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Aggressive And Powerful Exterior Exhaust Tone Notable Interior Resonance Excellent Street Strip And Off Road Application