The modified headers including chamber gives more power at lower RPMs. Positive result of the additional chamber is lower noise, approx. 1 decibel. Mounting only possible with SXS factory silencer.
Mounting only possible with SXS factory silencer. 450/505 SX-F/XC-F 07-11
Backordered Item is currently backordered with the supplier and will ship out as soon as it's available.
Please contact us for more accurate release date information.
