YOSHIMURA RS12 KAWASAKI KX450 FULL SYSTEM
Full System With Carbon Fibre Tip
SKU code: YO-244730S320
The current generation Kawasaki KX450 has won over a lot of riders with its balanced chassis and predictable power delivery. We felt there’s still more on the table for improvement, enter our new RS-12.
With countless hours of track and dyno testing, the KX450 responded well to our RS-12 with crisp and clean usable power that is up across the entire rpm spectrum. The result, max HP was up 9.6% and torque was up as well at 5.6%.
Yoshimura RS-12 will improve your experience on the green machine and decrease dB level from stock noise levels. Just what the doctor ordered.
Proudly designed, developed and made in the USA!
- Rubber mounted RS-12 muffler dampens vibration to subframe
- Aggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.
- Improved performance gains with refined power delivery.
- Just like the works systems our Factory Racers use, RS-12 systems utilize 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 fiber 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.
- Repack Kits, optional Inserts and Spark Arresters are available for all models
Related products
![727 Moto KTM-Husqvarna-GasGas 21X1.60/18X2.15 Black/Black Wheel Set](/assets/thumb/727-157IC-052FE-KK-SS.jpg?20230206170728)
$1,299.00
727 Moto KTM-Husqvarna-GasGas 21X1.60/18X2.15 Black/Black Wheel Set
or 4 payments of $324.75 with
Learn more
![727 Moto Kawasaki KX125-250 / KXF250-450 2006-2024 21X1.60/18X2.15 Black/Green Wheel Set](/assets/thumb/727-177IC-053FE-KE-SS.jpg?20230206170648)
$1,299.00
727 Moto Kawasaki KX125-250 / KXF250-450 2006-2024 21X1.60/18X2.15 Black/Green Wheel Set
or 4 payments of $324.75 with
Learn more
![727 Moto Kawasaki KLX450 2008-2024 21X1.60/18X2.15 Black/Green Wheel Set (Black Spokes)](/assets/thumb/727-179IC-053FE-KE-KS.jpg?20230206170732)
$1,350.00
727 Moto Kawasaki KLX450 2008-2024 21X1.60/18X2.15 Black/Green Wheel Set (Black Spokes)
or 4 payments of $337.50 with
Learn more
More From This Category
![YOSHIMURA RS2 HONDA CRF250R 04-05/X 04-16 FULL SYSTEM](/assets/thumb/YO-2280513.jpg?20240502141246)
$1,242.95
YOSHIMURA RS2 HONDA CRF250R 04-05/X 04-16 FULL SYSTEM
or 4 payments of $310.74 with
Learn more
![YOSHIMURA RS12 KTM/HUSQVARNA 250/350 19-21 FULL SYSTEM](/assets/thumb/YO-262530S320.jpg?20240502123404)
$1,889.95
YOSHIMURA RS12 KTM/HUSQVARNA 250/350 19-21 FULL SYSTEM
or 4 payments of $472.49 with
Learn more