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Muffler Guide: Off-Road

As always, our racing experience supports our goal of making superior products. Building performance exhaust systems for the factory race efforts improves our research and development, which improves the overall performance of our products. Adapting technology we learn on the track to our consumer products is what makes the Yoshimura name synonymous with quality and performance. One look at our RS-9 and RS-4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and centralize mass. The end result is a product that gives you an unparalleled competitive advantage.

At Yoshimura, we make replacement parts available for those times when some repairs are in order. Just call one of our Sales Techs with what you need. Sales Department: 1-800-634-9166.

 
 
Yoshimura - Muffler Guide: Off-Road RS-9 Dual

RS-9 Dual

  Yoshimura - Muffler Guide: Off-Road RS-4

RS-4

  • Parallelogram-shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • Tunable insert system
  • Spark Arrestor/Sound Insert Compatible
  • Muffler Options:
    • Aluminum Sleeve with Carbon end-cap
    • Titanium Sleeve with Carbon end-cap
    • Carbon Sleeve with Carbon end-cap
 
  • Pentagonal-shaped muffler
  • Maximized internal volume
  • Polyresonant duplex front chamber
  • Stepped, two-stage core baffle
  • Spark Arrestor/Sound Insert Compatible
  • Muffler Options:
    • Aluminum Sleeve with Carbon end-cap
    • Titanium Sleeve with Carbon end-cap
    • Carbon Sleeve with Carbon end-cap
 

Yoshimura - Muffler Guide: Off-Road RS-4D

RS-4D

  Yoshimura - Muffler Guide: Off-Road RS-2

RS-2

  • Pentagonal-shape sleeve
  • Maximized internal volume
  • Polyresonant duplex front chamber
  • Dual core baffle
  • Spark Arrestor/Sound Insert Compatible
  • Muffler Options:
    • Titanium Sleeve with Carbon end-cap
    • Carbon Sleeve with Carbon end-cap
 
  • Diamond-shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • Spark Arrestor / Sound Insert Compatible
  • Muffler Options:
    • Aluminum Sleeve with Stainless end-cap
    • Titanium Sleeve with Titanium end-cap
    • Carbon Sleeve with Titanium end-cap
 

Yoshimura - Muffler Guide: Off-Road RS-2 Mini

RS-2 Mini

  Yoshimura - Muffler Guide: Off-Road RS-3

RS-3

  • Same technology as full-size RS-2 counterpart, only smaller
  • Tuned for smaller displacement engines
  • Straight, single core baffle
  • Spark Arrestor/Sound Insert Compatible
  • Muffler Options:
    • Aluminum Sleeve with Stainless end-cap
    • Carbon Sleeve with Stainless end-cap
 
  • Oval-shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • Spark Arrestor / Sound Insert Compatible
  • Muffler Options:
    • Stainless Sleeve with Aluminum end-cap
    • Titanium Sleeve with Aluminum end-cap
 

Yoshimura - Muffler Guide: Off-Road RS-3 Cone

RS-3 Cone

  Yoshimura - Muffler Guide: Off-Road RS-3D or RS-3 Dual

RS-3D or RS-3 Dual

 
  • Honda CRF250R Exclusive (2006-2008)
  • Oval-shape mufflers
  • Maximized internal volume
  • Straight, single core baffles
  • Spark Arrestor / Sound Insert Compatible
  • Muffler Options:
    • Aluminum Sleeve with Stainless end-caps
    • Titanium Sleeve with Titanium end-caps
    • Carbon Sleeve with Titanium end-caps
 

Yoshimura - Muffler Guide: Off-Road TRC

TRC

  Yoshimura - Muffler Guide: Off-Road TRS

TRS

  • Tri-Oval shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • Spark Arrestor / Sound Insert Compatible
  • Muffler Options:
    • Aluminum Sleeve with Stainless end-cap
    • Titanium Sleeve with Stainless end-cap
 
  • Tri-Oval shape muffler
  • Maximized internal volume
  • Straight, single core baffle
  • Spark Arrestor / Sound Insert Compatible
  • Muffler Options:
    • Stainless Sleeve with Aluminum end-cap
    • Titanium Sleeve with Aluminum end-cap