Yoshimura Low Volume Inserts (dB Killers) – Yoshimura R&D of America, Inc

Need to make your dirt bike, ATV, or SXS a little less noisy? We manufacture a variety of Low Volume Inserts that will decrease the dB level of your motorcycle. Some applications have multiple options. Consult your instruction manual or the chart below for your application.

Download our reference chart for Yoshimura Off-Road Applications Sound/Spark Arrester Inserts and Muffler Repacking Kits. Find Make, Model and Year, then identify your exhaust system for applicable product kits.

If you still can’t find what you are looking for or aren’t sure about something, give one of our Pros a call; Monday through Friday, 8-5 PST at 1-800-634-9166

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SOUND INSERT KIT 99db R-77 Muffler CF TIP, 1.500" (INS-04-K)

SOUND INSERT KIT 99db R-77 Muffler CF TIP, 1.500" (INS-04-K)

$35.95

SOUND INSERT KIT ALPHA/ALPHA T Muffler (INS-20-K)

SOUND INSERT KIT ALPHA/ALPHA T Muffler (INS-20-K)

$40.95

SOUND INSERT KIT RS-2 MINI Muffler 1.375" RING (INS-25-K)

SOUND INSERT KIT RS-2 MINI Muffler 1.375" RING (INS-25-K)

$35.95

SOUND INSERT KIT FLARED for ALPHA and ALPHA T Mufflers (INS-27-K)

SOUND INSERT KIT FLARED for ALPHA and ALPHA T Mufflers (INS-27-K)

$40.95

SOUND INSERT KIT RS-3 4.5" Muffler, Street (RS3-INS-K)

SOUND INSERT KIT RS-3 4.5" Muffler, Street (RS3-INS-K)

$25.95

SOUND INSERT KIT RS-9 Muffler, 1.250" (INS-RS9B-K)

SOUND INSERT KIT RS-9 Muffler, 1.250" (INS-RS9B-K)

$35.95

SOUND INSERT KIT TRC 4.5" Muffler, Street (TRC-INS-K)

SOUND INSERT KIT TRC 4.5" Muffler, Street (TRC-INS-K)

$25.95

RUBBER GROMMET WITH LOGO TO COVER END-CAP INSERT HOLE FOR MOST MUFFLERS

$5.70

RUBBER GROMMET WITH LOGO TO COVER END-CAP INSERT HOLE FOR RS-9 MUFFLERS ONLY

$5.70

SOUND INSERT KIT 99db RS-2 Muffler, 1.625" (INS-07-K)

SOUND INSERT KIT 99db RS-2 Muffler, 1.625" (INS-07-K)

$35.95

SOUND INSERT KIT 99db RS-5/RS-8 Round-Exit, 1.625" (INS-09-K)

SOUND INSERT KIT 99db RS-5/RS-8 Round-Exit, 1.625" (INS-09-K)

$35.95

SOUND INSERT KIT TRS 4.5" Muffler, Street (TRS-INS-BK)

SOUND INSERT KIT TRS 4.5" Muffler, Street (TRS-INS-BK)

$25.95

SOUND INSERT KIT RS-3 / TRS Mufflers, Street (TEC-SB-B)

SOUND INSERT KIT RS-3 / TRS Mufflers, Street (TEC-SB-B)

$26.95

SOUND INSERT KIT 94db RS-2 Muffler, 1.375" (INS-11-K)

SOUND INSERT KIT 94db RS-2 Muffler, 1.375" (INS-11-K)

$35.95

SOUND INSERT KIT ALPHA / ALPHA T / R77 Muffler (INS-35-K)

SOUND INSERT KIT ALPHA / ALPHA T / R77 Muffler (INS-35-K)

$38.95

SOUND INSERT KIT 99db R-55 Muffler CF TIP, 1.500" (INS-01-K)

SOUND INSERT KIT 99db R-55 Muffler CF TIP, 1.500" (INS-01-K)

$35.95

SOUND INSERT KIT 99db RS-2 Muffler, 1.500" (INS-08-K)

SOUND INSERT KIT 99db RS-2 Muffler, 1.500" (INS-08-K)

$35.95

SPARK ARRESTER KIT RS-5 Muffler Oval Tip (TEC-SD3)

SPARK ARRESTER KIT RS-5 Muffler Oval Tip (TEC-SD3)

$32.95

SOUND INSERT KIT 99db RS-4 Muffler, 1.625" (INS-10-K)

SOUND INSERT KIT 99db RS-4 Muffler, 1.625" (INS-10-K)

$35.95

SOUND INSERT KIT 94db RS-4 Muffler, 1.500" (INS-14-K)

SOUND INSERT KIT 94db RS-4 Muffler, 1.500" (INS-14-K)

$35.95

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