Huge Horsepower gains with the big 3 combo including Empire Industries Cyclone series Exhaust system for Honda TRX 450. Fits 04/05 TRX 450. welded 304 stainless steel construction. 6061 Aluminum silencer with billet end caps make for easy repacking. This is a multi-step, stainless steel exhaust system that includes a head pipe, mid pipe , and an exhaust canister. Billet silencer end caps are available in anodized, blue ,black and raw. Dyno proven Performance and Track tested. Chose the sticker color of your choice. Black ,Red,Orange,gold Blue,Grey,Green or Yellow. Includes Fuel Customs intake system and DynoJet Jet Kit. Bolt on and you are ready to Rip!