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Yoshimura RS-4 Spark Arrestor Insert

(1 review)

Item: 343128

$41.90 – $47.74

Select Your Vehicle - Fitment Guaranteed

Yoshimura RS-4 Spark Arrestor Insert


  • USFS-approved spark arrestor insert only for machines equipped with Yoshimura RS-4 muffler
  • Replacement spark arrestor for Yoshimura exhaust components
  • Refer to your Yoshimura exhaust paperwork to determine if this fits your particular application
  • Sold individually
  • Made in the USA

Product Note: This insert will not fit the OEM exhaust.

Specification Details
Country of Origin USA
Diameter Varies (make selection above)
Part Number Varies (make selection above)
USFS Approved Spark Arrestor Yes
Warranty 1 Year Manufacturer Warranty

Vehicle Fitment


Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Arctic Cat
  • Wildcat 1000 2012-2014
  • Wildcat 1000 GT 2012
  • Wildcat 1000 X 2013-2014
  • Wildcat 4 1000 2013-2014
Honda
  • CRF250L 2017-2020
  • CRF250L Rally 2017-2020
  • CRF250X 4-Stroke 2004-2009, 2012-2013, 2015-2017
  • CRF450X 2019-2020
Husqvarna
  • FC 250 2016-2024
  • FC 350 2016-2024
  • FC 450 2016-2018, 2023-2024
  • FX 350 2017-2024
  • FX 450 2023-2024
KTM
  • 250 SX-F 2011-2012, 2019-2024
  • 250 XC-F 2011-2012, 2019-2024
  • 350 EXC-F 2017-2019
  • 350 SX-F 2013-2015, 2019-2024
  • 350 XC-F 2013-2015, 2019-2024
  • 450 SX-F 2013-2015, 2023-2024
  • 450 XC-F 2013-2015, 2023-2024
Kawasaki
  • KX250 4-Stroke 2019-2020
  • KX250F 4-Stroke 2010-2018
  • KX450 4-Stroke 2019-2023
  • KX450F 2016-2018
Suzuki
  • RM-Z250 2010-2018
  • RM-Z450 2008-2019
Yamaha
  • WR450F 2012-2023
  • YZ250F 4-Stroke 2014-2024
  • YZ250FX 4-Stroke 2015-2024
  • YZ450F 2014-2022
  • YZ450FX 2016-2023

Customer Reviews

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Great Insert

By   on  Verified Purchaser

I've had it on for a couple of weeks now. 2017 crf250l Rally. Still love the sound. I didn't know any difference really and now I can ride in the forest. Awesome


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