This product is vehicle specific. Click here to select your bike to ensure fitment.

We're sorry, the item you're looking for has been discontinued.

The Yoshimura RS-4 Slip-On Exhaust KTM 450SX-F / 450XC-F / 500 EXC-F / Husqvarna FC450 / FX450- has been improved and replaced by the Yoshimura RS-4 Slip-On Exhaust KTM 450 SX-F / 500 EXC-F / Husqvarna 450 FC / FX 2016-2018


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Yoshimura RS-4 Slip-On Exhaust KTM 450SX-F / 450XC-F / 500 EXC-F / Husqvarna FC450 / FX450-

$452.63

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 KTM 450SX-F / 450XC-F / 500 EXC-F / Husqvarna FC450 / FX450- Resources

Yoshimura RS-4 Slip-On Exhaust KTM 450SX-F / 450XC-F / 500 EXC-F / Husqvarna FC450 / FX450

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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Please review this product's fitment notes & exceptions prior to purchase: Add to Cart

This product is vehicle specific. Click here to select your bike to ensure fitment.

Fitment Notes & Exceptions
  • Installation on the KTM 500 EXC-F requires relocation of the rear turn signals

This Product Fits:


Husqvarna
FX350 2019, 2020
FX450 2017, 2018, 2019, 2020
KTM
450 SX-F 2016, 2017, 2018
450 XC-F 2017, 2018
500 EXC-F 2017, 2018
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Stainless Steel/Aluminum/Carbon Fiber Item # 1290450 Store SKU Manufacturer Product # 264612D321 Availability Out of Stock