Khrome Werks Quiet Insert For 3" HP-Plus Mufflers
If your 3" HP-Plus Slip On Mufflers are just a little too loud, you can tone them down with these Quiet Inserts.
Features:
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Easy, bolt-in sound reduction for 3" HP-Plus mufflers
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Takes off 4dB at idle and improves low-end torque with minimal loss of top-end horsepower
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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
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This kit is designed to use with three-ball style resonators that are 6.50" long
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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
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Installation requires removal of the mufflers
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Sold as a pair