Upgrade your 2012-2015 Kawasaki KX450F with the FMF 042292 Factory 4.1 RCT Slip-On Muffler—designed to deliver maximum horsepower, reduced weight, and superior durability. Featuring FMF’s cutting-edge Resonance Chamber Technology™ (RCT), this high-performance exhaust optimizes exhaust flow, enhances power across the RPM range, and meets strict race sound regulations. Whether you’re hitting the track or dominating the trails, this exhaust is built to perform.
Why Choose the FMF Factory 4.1 RCT?
✔ Resonance Chamber Technology™ – Boosts power while keeping sound levels compliant. ✔ Factory Forward Engineering – Shorter, compact design moves weight closer to the motor for better handling. ✔ Aluminum Construction + Carbon Fiber End Cap – Lightweight yet incredibly strong. ✔ Patented Internal Ducting – Improves exhaust pressure for optimal power delivery. ✔ Easy Tuning Adjustments – Rear end cap allows quick installation of tuning tip inserts or spark arrestor. ✔ Meets AMA & FIM Sound Regulations – Includes 94dB Quiet Core insert and spark arrestor. ✔ Compatible with Stock or FMF Headers – Perfect fit for your setup.
Ride Faster, Lighter, and Louder (Legally)!
The FMF 042292 Factory 4.1 RCT Slip-On Muffler is the ultimate performance upgrade for your 2012-2015 Kawasaki KX450F. Don’t settle for stock—upgrade today and experience the difference!
❇️ Limited Stock – Order Now Before It’s Gone!
FAQs:
❓ Will this fit a 2016+ KX450F? No, this model is specifically designed for 2012-2015 Kawasaki KX450F.
❓ Does it come with a spark arrestor? Yes! A spark arrestor and 94dB Quiet Core insert are included for noise reduction and trail compliance.
