DG Performance 291-8750 - R.A.C.E. Slip-On with Spark Arrestor - Polished fits Kawasaki Teryx 750 (2008 - 2011) The R.A.C.E. Series Slip-On features a 4 inch diameter round aluminum muffler body (Repackable). This Lightweight Slip-On weighs approximately 5.5 lbs. and features Aluminum End caps front & rear. Stainless Steel inlet tube TIG welded construction. This R.A.C.E. slip-on offers increased throttle response, more power and torque Standard sound level is aprox. 98 db. DG offers 4 different Quiet Core Inserts to reduce exhaust sound. Equipped with a US Forestry approved spark arrestor. Finish: Black Powder Coated, Blue Powder Coated, Red Powder Coated and Polished Aluminum