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Yoshimura RS-4 Slip-On Exhaust Yamaha YZ450F / FX / WR450F 2018-2023

$579.00
Fast Lane

Blemished/Refurbished

This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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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 Slip-On Exhaust Yamaha YZ450F / FX / WR450F 2018-2023 Resources

Yoshimura RS-4 Slip-On Exhaust Yamaha YZ450F / FX / WR450F

If you're looking for serious performance then you came to the right place, introducing the Championship winning RS-4 Slip-On exhaust. . 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
  • CARB/EPA tailpipe emissions compliant
  • 100% Made in the USA
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This product is vehicle specific. Click here to select your vehicle to ensure fitment.

This Product Fits:


Yamaha
WR450F 2019, 2020, 2021, 2022, 2023
YZ450F 2018, 2019, 2020, 2021, 2022
YZ450F Monster Energy Race Edition 2022
YZ450FX 2019, 2020, 2021, 2022, 2023

This item is also available for 63 other models:

Gas Gas
EX 350F 2021-2023
Honda
CRF250L 2017-2020
CRF250L ABS 2019-2020
CRF250L Rally 2017-2020
CRF250L Rally ABS 2019-2020
CRF300L 2021-2023
CRF300L ABS 2021-2023
CRF300L Rally 2021-2023
CRF300L Rally ABS 2021-2023
CRF300LS 2023
CRF450X 2019-2024
Husqvarna
FC250 2016-2018
FC250 2019-2022
FC350 2016-2018
FC350 2019-2022
FC450 2016-2018
FC450 Rockstar Edition 2018
FE501 2017-2019
FX350 2017-2018
FX450 2017-2018
KTM
250 EXC-F 2018-2019
250 SX-F 2016-2018
250 SX-F 2019-2022
250 SX-F 2011-2015
250 SX-F Factory Edition 2015
250 SX-F Factory Edition 2021
250 XC-F 2016-2018
250 XC-F 2019-2022
350 EXC-F 2017-2019
350 EXC-F 2012-2015
350 SX-F 2016-2018
350 SX-F 2019-2022
350 SX-F 2011-2015
350 XC-F 2016-2018
350 XC-F 2019-2022
350 XC-F 2014-2015
350 XC-F Kailub Russell 2021
450 SX-F 2011-2015
450 SX-F 2016-2018
450 SX-F Factory Edition 2012
450 XC-F 2013-2015
450 XC-F 2017-2018
450 XC-W 2012-2015
450 XC-W Six Days 2011
500 EXC 2012-2015
500 EXC-F 2017-2019
500 XC-W 2012-2015
Kawasaki
KX250F 2017-2020
KX450 2021-2023
KX450F 2019-2020
KX450SR 2022-2023
KX450X 2021-2023
Suzuki
RMZ450 2008-2017
RMZ450 2018-2024
Yamaha
WR250F 2020-2024
WR250R 2008-2020
WR250X 2008-2014
WR450F 2016-2018
YZ250F 2024
YZ250F 2019-2022
YZ250FX 2020-2022
YZ450F 2014-2017
YZ450FX 2016-2017
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Stainless Steel/Aluminum/Carbon Fiber Item # 1764788 Store SKU Manufacturer Product # 234832D320 Availability In Stock: Ships within 24 hours
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