Description
Quiet Insert
- Easy, bolt-in sound reduction for 3″ HP-Plus® mufflers
- Takes off 4dB at idle and improves low-end torque – minimal loss of top-end horsepower
- The machined discs with tapered bosses fit into each end of the patented resonator near the exit end of the mufflers and are retained by the supplied bolts and nuts
- This kit is designed to use with three-ball style resonators that are 6.50″ long
- Will also fit most other mufflers (four-ball style resonators) if 1/4″-20 x 11.00″ threaded rods are substituted for the supplied bolts
- Installation requires removal of the mufflers
- Kit includes machined discs and (2) 7.50″ 1/4″-20 bolts and two prevailing torque nuts
- Made in the U.S.A.
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