Yoshimura RS-4 Exhaust System

$550.05 $1,135.00
$579.00 $1,149.00
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This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

Yoshimura RS-4 Exhaust System

The work that went into developing the Yoshimura RS-4 Exhaust System design paid big dividends in 2010 with Ryan Dungey winning the AMA 450 Supercross and Motocross Championship series as a rookie in the same year, and again in 2012 with the Yoshimura-backed GEICO Honda team winning both 250 Supercross Lites titles. That same R&D has been directed to developing the current generation RS-4 — a unique design that provides an unrivaled combination of power and a quiet exhaust note. The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.

Features:

  • Pentagonal-shaped sleeve
  • Polyresonant front muffler chamber which helps reduce noise
  • Two-stage stepped baffle
  • Carbon fiber end-cap
  • Stainless Steel or Titanium Head pipe
  • CARB/EPA tailpipe emissions compliant
  • 100% Made in the USA
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This Product Fits:


Honda
CRF250L 2013-2016
CRF250L 2017-2019
CRF250L ABS 2019
CRF250L Rally 2017-2019
CRF250L Rally ABS 2019
CRF250R 2010
CRF250R 2011-2013
CRF450R 2009-2010
CRF450R 2011-2012
CRF450X 2019
Husqvarna
FC450 2016-2018
FC450 Rockstar Edition 2018
FX450 2017-2018
KTM
250 SX-F 2016-2017
250 SX-F 2012
250 SX-F 2013-2015
250 SX-F Factory Edition 2015
250 XC-F 2016-2017
350 EXC-F 2012
350 SX-F 2016
350 SX-F 2013-2015
350 SX-F 2011-2012
350 XC-F 2016
350 XC-F 2014-2015
450 SX-F 2016-2018
450 SX-F 2013-2015
450 SX-F Factory Edition 2018
450 SX-F Factory Edition 2012-2014
450 XC-F 2017-2018
450 XC-F 2013-2015
Kawasaki
KX250F 2010-2016
KX250F 2017-2018
KX450F 2009-2015
KX450F 2016-2017
Suzuki
DR-Z400S 2000-2019
DR-Z400SM 2000-2019
RMX450Z 2010-2011
RMZ250 2010-2016
RMZ250 2019
RMZ450 2008-2016
RMZ450 2018-2019
Yamaha
WR250F 2015-2018
WR450F 2012-2015
YZ250F 2014-2018
YZ250F 2007-2013
YZ250F 2019
YZ250FX 2015-2016
YZ450F 2010-2013
YZ450F 2014-2017
YZ450F 2018-2019