On Sale Add to Cart 13" Universal Aluminized Muffler 04-20689-001 GrandRock MSRP: $1,132.01 Now: $996.17 Was: 13" Universal Aluminized Muffler 04-20689-001 *Please Verify Your OEM Number Before Purchases High Quality Aluminized Muffler Universal Fitment Direct Aftermarket Replacement For OEM#: 04-22804-000 Body Diameter: 13" Body Length: 42" Overall... MSRP: $1,132.01 Now: $996.17 Was: Add to Cart