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Yoshimura RS-12 Exhaust System Husqvarna FC250 / KTM 250 SX-F 2023

Fast Lane


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-12 Exhaust System Husqvarna FC250 / KTM 250 SX-F

The Austrian 250 engine that is the heart of the KTM and Husqvarna is a brand-new platform for the 2022.5 FE/Rockstar and 2023 machines. Our R&D engineers focused on getting the new powerplant to carry power all the way through the range. Now, the RS-12 provides the racer a much more wider power curve while adding 2.7% max HP and 2.6% max torque. Better than stock, you bet!
This system and the new one we just introduced for the Austrian 450 models are the first Yoshimura production motocross exhausts to incorporate a resonator on the header and in the muffler. This new header resonator unlocks bottom and midrange power to not only make the new Austrian bikes more powerful, but provides additional overrev.


  • Developed and tested over 24 months of factory level racing
  • Aggressive, intelligently designed, asymmetrical shape of the RS-12 allows for maximum muffler volume which helps manage sound, add power and provide more clearance for the rear tire and brake caliper
  • Improved performance gains and weight reduction
  • Just like the works systems Factory Racers use, RS-12 systems utilize precision machined joints which provide a superior fit and improve system life and performance
  • Works-look matte carbon fiber end cap with industry leading design
  • Carbon end cap covers inner cap mounted design which improves durability and eases servicing as compared to other sandwich mounting designs
  • New patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arrestors
  • Tapered muffler body inlet design of the RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance
  • Proudly designed, developed and made in the USA


  • SS/SS/CF RS-12 full system: 9.1 Lbs
  • Stock system: 8.5 lbs
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This product is vehicle specific. Click here to select your vehicle to ensure fitment.

This Product Fits:

FC250 2023
250 SX-F 2023

This item is also available for 37 other models:

Gas Gas
EX 450F 2021-2023
MC 450F 2021-2023
CRF250R 2022-2023
CRF250RX 2022-2023
CRF450R 2021-2022
CRF450R-S 2023
CRF450R Works Edition 2021-2022
CRF450RX 2021-2022
FC250 2019-2022
FC350 2019-2022
FC450 2023
FC450 2019-2022
FC450 Rockstar Edition 2019-2022
FX450 2019-2022
250 SX-F 2019-2022
250 SX-F Factory Edition 2021
250 XC-F 2019-2022
350 SX-F 2019-2022
350 XC-F 2019-2022
350 XC-F Kailub Russell 2021
450 SX-F 2023
450 SX-F 2019-2022
450 SX-F Factory Edition 2019-2022
450 XC-F 2019-2022
KX250 2021-2022
KX250X 2021-2022
KX450 2019-2023
KX450SR 2022
KX450X 2021-2023
RMZ250 2019-2023
RMZ450 2018-2023
WR250F 2020-2021
YZ250F 2019-2022
YZ250F Monster Energy Race Edition 2022
YZ250FX 2020-2021
YZ450F 2020-2022
YZ450F Monster Energy Race Edition 2021-2022
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Stainless Steel/Stainless Steel/Carbon Fiber Item # 10206594 Store SKU Manufacturer Product # 262540S320 Availability Out of Stock
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