• Yoshimura SOUND INSERT KIT ALPHA / ALPHA T / R77 Muffler (INS-35-K) (INS-35-K)
  • Yoshimura SOUND INSERT KIT ALPHA / ALPHA T / R77 Muffler (INS-35-K) – product view (INS-35-K)
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Yoshimura

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

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

INS-35-K

$41.36
$41.36
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Yoshimura SOUND INSERT KIT ALPHA / ALPHA T / R77 Muffler (INS-35-K) Owner’s Manual & Product Guide

View or download the official product manual for the Yoshimura SOUND INSERT KIT ALPHA / ALPHA T / R77 Muffler (INS-35-K). This guide may include important information about helmet features, fitment, care, use, safety details, replacement parts, and product-specific instructions.

✔ Download Yoshimura SOUND INSERT KIT ALPHA / ALPHA T / R77 Muffler (INS-35-K) Manual
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Yoshimura

Low-Volume Insert Kit for Select Yoshimura Mufflers

The Yoshimura Sound Insert Kit for ALPHA / ALPHA T / R77 mufflers is a replacement low-volume insert, often used as a dB killer on select applications. Designed to help riders meet different sound restrictions, this kit provides an optional approach to reducing exhaust volume, with results that vary by application.

This Yoshimura replacement service part is listed for fitment on CFMOTO 675SS 2025–2026, Honda CB750-Hornet 2025–2026, and Yamaha YZF-R9 2025–2026. See the fitment table below to confirm the correct application before installation.

  • Part NumberINS-35-K
  • FitsCFMOTO 675SS; Honda CB750-Hornet; Yamaha YZF-R9

Low-Volume Insert Tube

At the core of the kit is a Yoshimura low-volume insert tube intended to lower exhaust sound output on select mufflers.

Complete Mounting Pieces

This kit includes the supporting hardware needed for installation: an end-cap collar and a set screw. These components are intended to secure the insert in place in the muffler end-cap area, helping ensure the insert is properly retained for the intended use.

Replacement Service Part

Positioned within Yoshimura Replacement Service Parts, this sound insert kit is meant for riders servicing or updating an existing Yoshimura exhaust configuration. It can also be selected as an optional kit when an application calls for different sound restrictions.

Yoshimura SOUND INSERT KIT ALPHA / ALPHA T / R77 Muffler (INS-35-K) – What’s In the Kit

Sound

What’s In the Kit

The INS-35-K kit consists of three listed components: a low-volume insert tube, an end-cap collar, and a set screw. Together, these parts are intended to create a secure insert assembly at the muffler outlet area, supporting a straightforward replacement or retrofit of the low-volume insert when needed.

Yoshimura SOUND INSERT KIT ALPHA / ALPHA T / R77 Muffler (INS-35-K) – Fitment and Installation

Fitment

Fitment and Installation

This Yoshimura sound insert kit is listed for CFMOTO 675SS 2025–2026, Honda CB750-Hornet 2025–2026, and Yamaha YZF-R9 2025–2026. Fitment can vary by muffler and application, so confirming the correct model and year in the fitment table is recommended. The page also includes an installation PDF for additional guidance.

Specifications

Part Number INS-35-K
Brand Yoshimura
Product Line Replacement Service Parts
Shipping Weight 1 lb
Barcode 00840025912786

Fitment

Make Model Model Years
CFMOTO 675SS 2025–2026
Honda CB750-Hornet 2025–2026
Yamaha YZF-R9 2025–2026

Fitment as listed by Yoshimura for part number INS-35-K.

Installation & Documents

Instructions / What's Included (PDF)

Provided by Yoshimura. Opens in a new tab.
⚠️ WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more.