HARLEY DAVIDSON MUFFLERS 3" SOUND REDUCTION KIT
Sound Reduction Kit
•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 two 7.50" 1/4"-20 bolts and two prevailing torquenuts
•Made in the U.S.A.
MODEL HP-Plus
STYLE Round
TYPE Quiet Insert Kit
UNITS Each
PRODUCT NAME Kit
Sound Reduction Kit
•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 two 7.50" 1/4"-20 bolts and two prevailing torquenuts
•Made in the U.S.A.
MODEL HP-Plus
STYLE Round
TYPE Quiet Insert Kit
UNITS Each
PRODUCT NAME Kit
