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Muffler Style Guide

Our list of innovations is long and growing, highlighting the fact that some companies are just discovering certain manufacturing techniques and technology we've been perfecting for 40 years, such as our duplex systems. Compare Yoshimura exhaust systems to the competition and you'll see there's simply no match for their quality and attention to detail, which gives you confidence that you're going to get a perfect fit and outstanding performance.

The full systems are designed with nothing but power in mind. Our knowledgeable R&D technicians use their years of experience and expertise to make truly remarkable pipes. In addition, we have more pipe-bending tooling than any company in the business, allowing us to create the best systems available − period.

Slip-Ons are designed to utilize the stock OEM header. Depending on applications slip-ons are available as a bolt-on directly to the flange of the OE tail pipe, or with a Yoshimura tail pipe to mount the collector of the OE header.

ALPHA T

  • Style - Beautiful Shape resulting from Tri-Oval design heritage with Works Finish
  • Quality - Unrivaled fit and finish due to improved production tolerances
  • Performance - Optimized for maximum flow, improved ground clearance, and lighter than original ALPHA
  • Sound - Muffler volume and shape produces that magic tone Yoshimura is famous for, with Higher "GP" tone than its bigger brother Alpha
  • Service - Optimized for durability and ease of service

Available Sleeve Options:
  • Works Finish Titanium
  • Works Finish Stainless Steel

ALPHA

  • Style - Beautiful Shape resulting from Tri-Oval design heritage
  • Quality - Unrivaled fit and finish due to improved production tolerances
  • Performance - Optimized for maximum flow and improved ground clearance
  • Sound - Muffler volume and shape produces that magic tone Yoshimura is famous for
  • Service - Optimized for durability and ease of service

Available Sleeve Options:
  • Carbon Fiber
  • Stainless Steel

R-77

  • Trapezoid-shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • Low-volume sound insert capable

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Stainless Steel

R-77D

  • Trapezoid-shape muffler
  • Dual Outlet end-cap
  • Maximized internal volume
  • Dual, straight core baffle

Available Sleeve Options:
  • Carbon Fiber
  • Stainless Steel

R-55

  • Tapered, trapezoid-shape muffler
  • MotoGP styling
  • Straight, single core baffle
  • Low-volume sound insert capable

Available Options:
  • Stainless Sleeve with Carbon Fiber End-cap
  • Stainless Sleeve with Stainless End-cap

RS-9

  • Parallelogram-shape muffler
  • Maximized internal volume
  • Straight, single core baffle

Available Sleeve Options:
  • Carbon Fiber
  • Stainless Steel

RS-9T DUAL

  • Tapered Parallelogram-shape muffler
  • Compact, forward positioned design provides lower center of gravity for better mass centralization
  • Larger core creates improved throttle response, and power in mid and top end
  • More volume than stock to provide a decrease in overall dB noise level

Available Sleeve Options:
  • Works Finish Titanium
  • Works Finish Stainless Steel

RS-9 DUAL

  • Parallelogram-shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • Tunable insert system

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Aluminum

RS-4

  • Pentagonal-shaped sleeve
  • Carbon Fiber end-cap
  • Maximized internal volume
  • Poly-resonant duplex front chamber
  • Stepped, two-stage core baffle

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Aluminum

RS-2

  • Diamond-shape muffler
  • Cone shaped end-cap
  • Maximized internal volume
  • Straight, single core baffle

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Aluminum

RS-2 MINI

  • Same technology as full-size RS-2 counterpart, only smaller
  • Tuned for smaller displacement engines
  • Straight, single core baffle

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Aluminum

RS-2D

  • Diamond-shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • USFS-Approved Spark Arrestor

RS-3

  • Oval-shape muffler
  • Aluminum turn-down end-cap
  • Maximized internal volume
  • Straight, single core baffle
  • Low-volume sound insert capable

Available Sleeve Options:
  • Carbon Fiber Sleeve
  • Titanium Sleeve
  • Stainless Steel Sleeve

RS-3C

  • Oval-shape muffler
  • Carbon Fiber cone end-cap
  • Maximized internal volume
  • Straight, single core baffle
  • Low-volume sound insert capable

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Stainless Steel

RS-3 Dual (RS-3D)

  • Honda CRF250R Exclusive (2006-2008)
  • Oval-shape mufflers
  • Cone shaped end-cap
  • Maximized internal volume
  • Straight, single core baffles

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Aluminum

RS-5

  • Trapezoid-shape muffler
  • Under-tail Application
  • Maximized internal volume
  • Straight, single core baffle
  • Low-volume sound insert capable

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Stainless Steel

 

RS-8

  • Rounded-Trapezoid sleeve
  • Maximized internal volume
  • Straight, single core baffle
  • USFS-Approved Spark Arrester

TRC

  • Tri-oval shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • Low-volume sound insert capable

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Stainless Steel with Carbon Fiber End-cap
  • Stainless Steel with Stainless Steel End-cap

TRC-D

  • Tri-oval shape muffler
  • Dual Outlet end-cap
  • Maximized internal volume
  • Straight, single core baffle

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Stainless Steel

TRC Undertail

  • Dual, under-tail application
  • Tri-oval shape mufflers
  • Carbon Fiber End-caps
  • Maximized internal volume
  • Straight, single core baffles
  • Low-volume sound insert capable

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Stainless Steel

TRS

  • Tri-oval shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • Single, turn-down tip
  • Low-volume sound insert capable

Available Sleeve Options:
  • Carbon Fiber
  • Titanium
  • Stainless Stainless
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