Universal 4" Diesel Exhaust Muffler 30" Overall Length for Cummins Powerstroke Duramax Trucks

Built from heavy-gauge 409 stainless steel featuring a polished exterior finish for superior corrosion and rust protection.

Configured with a universal 4.0-inch ID (Inner Diameter) center-inlet and center-outlet slip-fit design.

Compact engineering specifications: 24-inch body length, 7-inch round body width, and a 30-inch total overall length.

Features a high-flow, straight-through perforated core that maximizes exhaust gas velocity to optimize engine performance.

Reversible, non-directional casing design grants total installation flexibility to accommodate your specific pipe configuration.

Premium internal packing utilizes a multi-layer dual-core structure with stainless steel mesh wrap and dense acoustic fiberglass.

Smooths out harsh exhaust notes and rasp, creating a deep, refined growl while dramatically reducing cabin drone.

Highly versatile upgrade compatible with various custom or aftermarket 4" exhaust piping on Cummins, Duramax, and Powerstroke applications.