• Tune exhaust sound and power and reduce exhaust sound by 1 to 6 dBs
• Work on DG O-series, RCM II, R.A.C.E. and Universal Slip-ons only
• Easy to install by removing rear end cap and placing insert in front of spark arrestor
• Available in five sizes; smaller diameter inserts are quieter but more restrictive, larger diameter inserts are louder but less restrictive

(1) Aluminum quiet insert

Instructions

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.