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Yoshimura RS4 Signature Series Exhaust System - 231010D320

  • Part #:
    436407
  • Manufacturer Part #:
    231010D320

MSRP Price: $725.00

Our Price: $652.50

You Save:
$72.50 (10%)
Ships In 3-4 Business Days

Overview of Yoshimura RS4 Signature Series Exhaust System - 231010D320

  • The work that went into developing the RS-4 muffler has paid big dividend in Off-Road Racing; winning multiple Supercross and Motocross titles since it's inception
  • The current generation RS-4 is based on that research and development, and the result is a unique design that provides and unrivaled combination of power and quiet exhaust tone
  • The RS-4 features a Polyresonant duplex chamber and two staged stepped baffle for increased performance while a carbon cone end cap finished off it's innovative styling
  • Pentagonal shaped sleeve
  • Front muffler cap functions as a polyresonant chamber which helps reduce noise
  • Two-staged stepped baffle
  • Carbon fiber end cap
  • Stainless steel header and tailpipe
  • Includes 99db low volume insert
  • For optional spark arrestor order 43-4673

Included Items:

      (1) Aluminum muffler with aluminum end cap, removable baffles

 

      (1) Stainless steel head pipe

 

      (1) Stainless steel mid-pipe

 

      (1) 8mm-1.25 x 35mm flange hex head bolt

 

      (1) 8mm large flat washer

 

      (1) Rubber grommet

 

      (1) Aluminum spacer

 

      (1) 8mm-1.25 flange nut

 

      (2) Springs (installed)

 

      (1) 1 5/8 in. low volume insert

 

      (1) Adhesive heatshield foil

 

      (1) Spring puller tool

 

      (1) Wash plug

 

      (2) Springs

 

    Instructions

Specs for Yoshimura RS4 Signature Series Exhaust System - 231010D320

Color - Primary Silver
Style Canister Muffler
Type Complete System w/Spark Arrestor
Units Each
Weight 13.35 lbs

Specs for Yoshimura RS4 Signature Series Exhaust System - 231010D320

Color - Primary Silver
Style Canister Muffler
Type Complete System w/Spark Arrestor
Units Each
Weight 13.35 lbs

Fitment for Yoshimura RS4 Signature Series Exhaust System - 231010D320

See if this part fits your ride

Part 436407 fits the following machines

Yamaha
  • 2018 Yamaha WR250F
  • 2017 Yamaha WR250F
  • 2016 Yamaha WR250F
  • 2015 Yamaha WR250F
  • 2017 Yamaha YZ250F
  • 2016 Yamaha YZ250F
  • 2015 Yamaha YZ250F
  • 2014 Yamaha YZ250F
  • 2018 Yamaha YZ250FX
  • 2017 Yamaha YZ250FX
  • 2016 Yamaha YZ250FX
  • 2015 Yamaha YZ250FX
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Instructions and Manuals for Yoshimura RS4 Signature Series Exhaust System - 231010D320

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