FMF Factory 4.1 RCT Muffler - Aluminum 041517 1821-1563 VSL Headlight To get an accurate Air:Fuel

To get an accurate Air:Fuel (A/F) ratio when dynoing the bike

Medium-firm density for ride quality

6061-T6 aluminum relocating bracket

Graves Motorsports Yamaha R1 Upper Shock Mount 09-14

K&N's­­™ high-flow air filters are available as a replacement for stock motorcycle air filter element

FMF Factory 4.1 RCT Muffler - Aluminum 041517 1821-1563 VSL Headlight To get an accurate Air:FuelThe Factory 4. 1 RCT incorporates FMF's Resonance Chamber Technology both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering moving the muffler closer to the motor to centralize mass The Factory 4. 1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their