Yoshimura R&D of America, Inc.

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) - Main image
$34.04 $47.95 In stock

Category: Replacement Service Parts

  • Replacement Flared Low-Volume Insert Kit for ALPHA and ALPHA T Mufflers
  • Available as optional kit on applications requiring different sound restrictions
  • Decibel reduction depends on application
      • Kit Includes:
    • Low-Volume Insert Tube
    • End-cap collar
    • Set screw

*If you have any questions about fitment or applications, please call our Sales Department at 1-800-634-9166.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Sophia R. ★★★★★

Took my bike from obnoxiously loud to a much more tolerable tone, and the fit into the ALPHA muffler was perfectly snug. The decibel drop is exactly what I needed for longer rides without earplugs.

Samuel M. ★★★★★

Installed these in my ALPHA T muffler and the sound is noticeably deeper without being obnoxiously loud. The flared design fits perfectly and the decibel drop is just right for daily riding.

Daniel X. ★★★★★

Swapped in this flared insert kit last weekend and the difference in sound is exactly what I needed for tighter tracks. The low-volume restriction cuts the bark without killing tone, and installation took under ten minutes. One caveat is the fitment feels slightly snug on my Alpha T muffler, but onc

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