Quiet Core Exhaust Insert — Includes block-off plate

Quiet Core Exhaust Insert - 1"

• Tune exhaust sound and power and reduce exhaust sound by 1 to 6 dB’s
• 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
• For "O" and "R" Series mufflers