Walker Exhaust

5 inch ID on one end, 4 inch ID on the other, 8 inch overall length. 100% aluminized material Heavy gauge aluminized material for long service life Engineered to high standards Assured high quality and dependability Tested under extreme conditionsWalker: 41898..

Backordered with No ETA   **Updated on 05/16/2022**Walker Big Truck Muffler, 21470Reduces Exhaust Gas Temperatures (EGT's). Improves Flow. Replaces your existing restrictive factory muffler. 3.5" Inlet x 3.5" Outlet. 7" Outside Diameter x 31" Case Length x 37" Overall Length. ..

Walker Big Truck Muffler, 21471Reduces Exhaust Gas Temperatures (EGT's). Improves Flow. Replaces your existing restrictive factory muffler. 4" Inlet x 4" Outlet. 7" Outside Diameter x 31" Case Length x 37" Overall Length. Can be welded on or clamped (Purchase the required 2x4.0" clamps..