Performance Sound In A Simple Package Directly replace your OEM muffler with an MBRP Utility Series exhaust, and hear the voice your ATV or SXS should have had from the factory.Specifications: Exhaust Type Single Exit Position Single Material Stainless Steel Tubing Diameter 1.250 in. WARNING CA Proposition 65 Yes WARNING CA Proposition 65 Message WARNING: This product can expose you to chemicals including nickel (metallic) and chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects or other reproductive harm Description_DES ATV Exhaust System With Utility Muffler Description_EXT ATV Exhaust System With Utility Muffler; Slip-On; Direct Replacement; 1.25 in. Inlet; 3.5 in. Diameter Body; Chambered Muffler; Description_FAB Utility Muffler Description_MKT Performance Sound In A Simple Package Directly replace your OEM muffler with an MBRP Utility Series exhaust, and hear the voice your ATV or SXS should have had from the factory. Description_SHO Side By Side Exhaust This Part Fits: Year Make Model Submodel Notes 1989 Honda (ATV) TRX300 FourTrax Base 1990 Honda (ATV) TRX300 FourTrax Base 1991 Honda (ATV) TRX300 FourTrax Base 1990 Honda (ATV) TRX300FW FourTrax 4x4 Base 1991 Honda (ATV) TRX300FW FourTrax 4x4 Base