Oval design offers excellent throttle response and improved sound. Provides over 20% increase in midrange horsepower and a 1.5 peak horsepower gain.
Carbon Fiber - Oval shell with a stainless steel inlet pipe. 3-1/2 lbs. lighter than stock
Aluminum - Ball-burnished aluminum shell with a stainless steel inlet pipe. 2.75 lbs. lighter than stock
Features include:
- Ball-burnished 6061-T6 aluminum end cap
- Ball-burnished, stainless steel mounting strap and reinforcement bands (carbon fiber only)
- Silent Sport® pillow packing
- Removable screen-type U.S.F.S.-approved spark arrestor
- Completely rebuildable
Fits '01-'05 660R Raptor
Note: This accessory may be restricted to closed-course use. This performance accessory does not meet California standards for off-road recreational vehicle usage.