Kawasaki KX450F 2019 - 2023 Yoshimura RS-12 Full Exhaust w/Aluminium Muffler

Yoshimura RS-12 Full Exhaust w/Aluminium Muffler

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.
Inserts and Spark Arresters are available for all models
Sound Insert/Spark Arrester Options                 
€‹€‹
Sound Level
Volume Insert
Spark Arrestor
Included
INS-30-K
Yes
INS-32-K
No
SA-21-K
No 
  

Fitment Details

• Kawasaki KX450F 2019
• Kawasaki KX450F 2020
• Kawasaki KX450F 2021
• Kawasaki KX450F 2022
• Kawasaki KX450F 2023