MBRP 06-12 Arctic Cat 650 H1 (All Models) / 07-13 Arctic Cat 700 DSL Slip-On Ex. Sys w/Sport MufflerMBRP's ATV performance muffler. A true performance exhausts sound, maximum flow while keeping similar characteristics of our sport and utility series, while delivering a clean and crisp sound. This Part Fits: Year Make Model Submodel 2004 Arctic Cat 400 4x4 Base 2004 Arctic Cat 400 4x4 ACT Base 2004 Arctic Cat 400 4x4 Auto Base 2004 Arctic Cat 400 4x4 Auto ACT Base 2004 Arctic Cat 400 4x4 Auto MRP Base 2004 Arctic Cat 400 4x4 Auto TBX Base 2004 Arctic