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Yoshimura
Yoshimura RS-4 Slip-On Exhaust KTM 450 SX-F / 500 EXC-F / Husqvarna 450 FC / FX 2016-2018
Item: P857145
$439.00
Rebate Available!
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Yoshimura RS-4 Slip-On Exhaust KTM / Husqvarna 450 / 500
The Yoshimura RS-4 Slip-On exhaust has been put to the test and has proven its capabilities at the highest level of competition. In 2010 the RS-4 muffler helped Ryan Dungey claim the AMA 450 Supercross and Motocross championships in his rookie season. The Yoshimura-backed GEICO Honda team also took home both East and West Coast Supercross Lites titles in 2012 using the Yoshimura RS-4 exhaust.
Utilizing the same R&D that helped bring success at the national level has resulted in a unique exhaust design that provides an unrivaled combination of power and quiet exhaust note. The Yoshimura RS-4 Pipe features an innovative carbon cone end cap, a two staged stepped baffle, and a polyresonant duplex chamber which acts as a muffler within a muffler to help save weight and centralize mass. Working in conjunction with factory race teams has allowed Yoshimura to develop a exhaust system that gives you an unparalleled competitive advantage.
Features:
- Pentagonal-shaped sleeve
- Polyresonant front muffler chamber which helps reduce noise
- Two-stage stepped baffle
- Carbon fiber end-cap
- CARB/EPA tailpipe emissions compliant
- Yoshimura Enduro, Signature, and Race Series mufflers
- 100% Made in the USA

Product Style | RevZilla Item # | MFR. Product # | Availability |
---|---|---|---|
Product Style Yoshimura RS-4 Slip-On Exhaust KTM 450 SX-F / 500 EXC-F / Husqvarna 450 FC / FX 2016-2018 | RevZilla Item #1827042 | MFR. Product #264612D322 | AvailabilityIn Stock: Requires 1-2 business days of lead time prior to shipment |
This Product Fits
This item is also available for 63 different bikes. View All Models
- Honda
- CRF250L 2017-2020
- CRF250L ABS 2019-2020
- CRF250L Rally 2017-2020
- CRF250L Rally ABS 2019-2020
- CRF250R 2010
- CRF250R 2011-2013
- CRF450R 2009-2010
- CRF450R 2011-2012
- CRF450X 2019
- KTM
- 250 EXC-F 2018-2019
- 250 SX-F 2019-2020
- 250 SX-F 2016-2018
- 250 SX-F 2011-2015
- 250 SX-F Factory Edition 2015
- 250 XC-F 2019-2020
- 250 XC-F 2016-2018
- 350 EXC-F 2017-2019
- 350 EXC-F 2012-2015
- 350 SX-F 2019-2020
- 350 SX-F 2016-2018
- 350 SX-F 2011-2015
- 350 XC-F 2019-2020
- 350 XC-F 2016-2018
- 350 XC-F 2014-2015
- 450 SX-F 2011-2015
- 450 SX-F Factory Edition 2012
- 450 XC-F 2013-2015
- 450 XC-W 2012-2015
- 500 EXC 2012-2015
- 500 XC-W 2012-2015
Yoshimura RS-4 Slip-On Exhaust KTM 450 SX-F / 500 EXC-F / Husqvarna 450 FC / FX 2016-2018 Resources
Product Description
Part Numbers
Fitment
Resources
51 Customer Reviews
4.5/5
34 Questions & 36 Answers