14-'17 for Yamaha YZ450F FMF Powercore 4 Hex Muffler sold separately Required headlight blocks/posts

sold separately Required headlight blocks/posts are sold separately Made in the USA Sold as housing only

MPN: 9305C

MPN: 489-1070L

Kids know riding is fun and GMAX® makes it even more fun with the GM-49Y

14-'17 for Yamaha YZ450F FMF Powercore 4 Hex Muffler sold separately Required headlight blocks/postsManufacturer: FMF Racing MPN: 44404 Title: PowerCore 4 Hexagonal Slip On Size: Option: Color: Race inspired, price point muffler made for maximum power output. Aircraft quality extruded aluminum canister with stainless steel components. Spark arrestor included on S A models, see footnotes. DISCLAIMER: Not legal for sale or use in California on any pollution controlled motor vehicles. We cannot ship these items to California, if an order is made and