2013 CRF450 Sub-Frame Kit. The kit contains the following parts. If you wish you can purchase parts individually from this website. 2ea M8SHHFA305 seat, 4ea LFM610G20 number plates, 2ea T4HFM6-10X20 Upper Rear Fender, 1ea T4HFM8-12X25 Muffler, 2ea FWM8-25 Muffler Washer, 1ea DOMHFM812X20 Exhaust to Sub Frame, 2ea DOMHFM101225 Lower Sub Frame, 2ea T4HFM8-12X25 Upper Sub Frame, 2ea TM6BH15 ECM Mounts, 1ea T4HFM8-12X30 Upper Chain Roller, 2ea LFM610G15 Airbox Bracket To Airbox, 2ea LFM610G15 Airbox Bracket To Subframe.