Big Gun Exhaust ECO Slip-On Muffler for 2009-25 Yamaha YFZ450R - 07-1212 1991 Yamaha RD350LC-YPVS (2) ¼”-20 X 3/8” Button

(2) ¼”-20 X 3/8” Button head bolts

(2) 11" Shrink tubes

2007 Sportsman 450

2006-07 KTM 525 EXC

Big Gun Exhaust ECO Slip-On Muffler for 2009-25 Yamaha YFZ450R - 07-1212 1991 Yamaha RD350LC-YPVS (2) ¼”-20 X 3/8” ButtonBig Gun Exhaust ECO Series Slip On Muffler Economically priced slip on exhaust 6061 brushed aluminum muffler housing TIG welded 304 stainless steel mid pipe Black powder coated stainless steel end tip Slip fit mid pipe design allows for movement of frame & prevents breaking Improved horsepower and torque gains Removable screen type USFS approved spark arrestor Handmade in the USA 1 Year Limited Manufacturers Warranty The ECO series is for the price