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Low Volume Inserts (dB Killers)

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

Download Yoshimura Off-Road Repack and Insert Chart

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

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

$40.95

In Stock
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

In Stock
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

In Stock
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

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

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

$35.95

In Stock
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

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

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

$5.70

In Stock
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

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

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

$25.95

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

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

$5.70

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

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

$38.95

In Stock
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

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

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

$26.95

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

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

$25.95

In Stock
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

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Race series product restriction and affirmation

Warning:

The RACE SERIES product you are purchasing removes, renders inoperative, or bypasses required elements of the emission control systems of EPA, certified motorcycles of motorcyle engines and may only be installed on motorcycles that are restricted to closed course competition. Installation of this product on a motorcyle that is ridden on a public street, highway, or public lands violates the tampering and defeat device provisions of the Clean Air Act & 203(a)(3)(A) and/or & 203(a)(3)(B) and may subject you to a civil penalty of up to $37,000.

Information (Enter as Applicable)

Race Information

Rider/Purchaser Information

Affirmation

By clicking below, I affirm:
  1. that i have read the above warning;
  2. that any information I have entered is accurate; and
  3. that any motorcycle on which I install the RACE SERIES product will be restricted to closed course competition and will not be ridden on any public street, highway or public lands.