FMF Powerbomb SS Header Yamaha YZ400/426 ('98-'02) | 040050 CFMoto Featuring Alpinestars’ exclusive and revolutionary

Featuring Alpinestars’ exclusive and revolutionary rear stabilizer for progressive force relief (PFR) the BNS Tech 2 is designed for use in motocross and off-road riding and offers a highly personalized and stable fit while incorporating innovative new features such as a new quick release locking system

and Factory Edition #2 Rear Chain Guide with replaceable wear pad

Soft sidewall allows for tire manipulation over all obstacles

front profile provides the best feel and confidence when traction matters the most

Made from the same long lasting Composite Plastic as the TMD rear chain guides

FMF Powerbomb SS Header Yamaha YZ400/426 ('98-'02) | 040050 CFMoto Featuring Alpinestars’ exclusive and revolutionaryThe FMF Power Bomb is a four stroke header pipe unit that has a unique bulge precisely located in the header system. A "pre muffler" of sorts, the Power Bomb actually lowers sound output because it creates more surface area to absorb the sound medium (exhaust). The surface area of the perforated core lets the sound exit into the absorbing material (steel wool packing) and then allows the air to expand, cool and ramp back up with the higher pressure