YOSHIMURA KAWASAKI KX250F/KX250X 25-26 RS-12 STAINLESS FULL SYSTEM
The newest version of the Kawasaki KX250F is here, and Yoshimura has an RS-12 Signature Series full system exhaust to help boost the new green machine right up onto the podium!
The latest KX250F boasts a new chassis and engine package. That meant it was time to go to work to see what can be done to add performance to the new KX. During development the new 250 was very responsive to the RS-12. Yoshimura were able to add up to 3.3% more HP at 11,000 rpm and up to 3.4% more torque at 10,600 rpm. This gives the 2025 KX250F added power on top and more connectivity on the bottom and mid point of the power spectrum.
The new RS-12 for the 2025 KX250F comes with an INS-31-K sound insert installed. This insert not only produces an ear pleasing exhaust note, it also makes the best power for the new Kawasaki. Also available separately is an SA-21-K spark arrestor when venturing out into the woods is your jam.
RS-12 Features and benefits:
- Aggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximise capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tyre and brake calliper.
- Tapered muffler body inlet design of RS-12 enables the system to be pushed forward in the new Kawasaki chassis thus helping with weight centralisation without sacrificing performance.
- Improved performance gains with refined linear power delivery.
- Just like the works systems our Factory Racers use, RS-12 systems utilise precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.
- New patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.
- Works-look matte carbon fibre end cap with industry leading design, innovation and detailing as expected from Yoshimura.
- Carbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.
- Proudly designed, developed and made in the USA!
- Repack Kits, optionalĀ InsertsĀ andĀ Spark ArrestersĀ are available for all models
ADDITIONAL INFORMATION
VIEW INSTALLATION INSTRUCTIONS
BIKE FITMENT
KAWASAKI
- KX250F 2025-2026
- KX250X 2025-2026
Product Information
Product Information
Shipping & Returns
Shipping & Returns
YOSHIMURA KAWASAKI KX250F/KX250X 25-26 RS-12 STAINLESS FULL SYSTEM
YOSHIMURA KAWASAKI KX250F/KX250X 25-26 RS-12 STAINLESS FULL SYSTEM
The newest version of the Kawasaki KX250F is here, and Yoshimura has an RS-12 Signature Series full system exhaust to help boost the new green machine right up onto the podium!
The latest KX250F boasts a new chassis and engine package. That meant it was time to go to work to see what can be done to add performance to the new KX. During development the new 250 was very responsive to the RS-12. Yoshimura were able to add up to 3.3% more HP at 11,000 rpm and up to 3.4% more torque at 10,600 rpm. This gives the 2025 KX250F added power on top and more connectivity on the bottom and mid point of the power spectrum.
The new RS-12 for the 2025 KX250F comes with an INS-31-K sound insert installed. This insert not only produces an ear pleasing exhaust note, it also makes the best power for the new Kawasaki. Also available separately is an SA-21-K spark arrestor when venturing out into the woods is your jam.
RS-12 Features and benefits:
- Aggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximise capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tyre and brake calliper.
- Tapered muffler body inlet design of RS-12 enables the system to be pushed forward in the new Kawasaki chassis thus helping with weight centralisation without sacrificing performance.
- Improved performance gains with refined linear power delivery.
- Just like the works systems our Factory Racers use, RS-12 systems utilise precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.
- New patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.
- Works-look matte carbon fibre end cap with industry leading design, innovation and detailing as expected from Yoshimura.
- Carbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.
- Proudly designed, developed and made in the USA!
- Repack Kits, optionalĀ InsertsĀ andĀ Spark ArrestersĀ are available for all models
ADDITIONAL INFORMATION
VIEW INSTALLATION INSTRUCTIONS
BIKE FITMENT
KAWASAKI
- KX250F 2025-2026
- KX250X 2025-2026
Original: $920.24
-65%$920.24
$322.08Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The newest version of the Kawasaki KX250F is here, and Yoshimura has an RS-12 Signature Series full system exhaust to help boost the new green machine right up onto the podium!
The latest KX250F boasts a new chassis and engine package. That meant it was time to go to work to see what can be done to add performance to the new KX. During development the new 250 was very responsive to the RS-12. Yoshimura were able to add up to 3.3% more HP at 11,000 rpm and up to 3.4% more torque at 10,600 rpm. This gives the 2025 KX250F added power on top and more connectivity on the bottom and mid point of the power spectrum.
The new RS-12 for the 2025 KX250F comes with an INS-31-K sound insert installed. This insert not only produces an ear pleasing exhaust note, it also makes the best power for the new Kawasaki. Also available separately is an SA-21-K spark arrestor when venturing out into the woods is your jam.
RS-12 Features and benefits:
- Aggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximise capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tyre and brake calliper.
- Tapered muffler body inlet design of RS-12 enables the system to be pushed forward in the new Kawasaki chassis thus helping with weight centralisation without sacrificing performance.
- Improved performance gains with refined linear power delivery.
- Just like the works systems our Factory Racers use, RS-12 systems utilise precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.
- New patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.
- Works-look matte carbon fibre end cap with industry leading design, innovation and detailing as expected from Yoshimura.
- Carbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.
- Proudly designed, developed and made in the USA!
- Repack Kits, optionalĀ InsertsĀ andĀ Spark ArrestersĀ are available for all models
ADDITIONAL INFORMATION
VIEW INSTALLATION INSTRUCTIONS
BIKE FITMENT
KAWASAKI
- KX250F 2025-2026
- KX250X 2025-2026
