Pro Circuit 4" Quiet Insert - 1-5/8" Pc4012-0006

Quite Tips inserts produce a more subdued exhaust note

Quite Tips inserts produce a more subdued exhaust note

Quiet Core and Quiet Tips inserts produce a more subdued exhaust noteEnd caps offered in a variety of sizes to allow fine-tuning of power delivery for different types of riding and terrain

Tune exhaust sound and power and reduce exhaust sound by 1 to 6 dB?sWork on DG O-series, RCM II, R.A.C.E. and Universal Slip-ons onlyEasy to install by removing rear end cap and placing insert in...