At DMG Motorsports, we present the Yoshimura RS-9 Exhaust Quiet Insert, 1.25 in (INS-RS9B-K) — a genuine Yoshimura replacement component engineered to tone down the volume of your RS-9 muffler without tearing apart your exhaust system. Whether you're facing tighter sound restrictions at the track or simply want a mellower note out on the trail, this drop-in insert kit is the factory-correct solution for RS-9 and RS-9T muffler owners who need a different sound profile for their application. Built to Yoshimura's exacting standards, it installs into your existing 1.250" diameter RS-9 muffler and helps keep your bike compliant with sound-restricted events while preserving the performance character Yoshimura is known for.

Features:

• Replacement Low-Volume Insert Kit designed specifically for RS-9 mufflers
• Non-spark arrested design
• Available as an optional kit for applications requiring different sound restrictions, with decibel reduction depending on the specific application
• Kit includes the low-volume insert tube, end-cap collar, and set screw for a complete, straightforward installation
• Fits 1.250" diameter RS-9 muffler applications; also compatible with RS-9T mufflers
• Designed to fit a standard equipped motorcycle as delivered from the factory; OE and aftermarket accessories not found on the bike as delivered may not be compatible
• Genuine Yoshimura part, Part Number INS-RS9B-K / SKU 961-9018, UPC 0840025908826
• Sold and shipped by DMG Motorsports — your trusted source for genuine Yoshimura exhaust components