FDY Performance
Factory 4.1 RCT Exhaust Silencer 08-25 Kawasaki KLX 140 R G L F - FMF 042382
Factory 4.1 RCT Exhaust Silencer 08-25 Kawasaki KLX 140 R G L F - FMF 042382
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FMF Racing’s Factory 4.1 RCT Slip-On Muffler is engineered for performance and durability, delivering substantial power gains and reduced weight for Kawasaki KLX140 and its variants. Featuring FMF’s advanced Resonance Chamber Technology™, this system boasts shorter length for improved mass centralisation and enhanced crash resistance. Constructed using aerospace-grade aluminium and stainless steel, the 4.1 RCT is designed for professional riders seeking power and reliability, and is manufactured entirely in Southern California for uncompromising quality.
Features
- FMF Resonance Chamber Technology™ maximises power and throttle response
- Shortened overall length for crash resistance and optimised mass centralisation
- Aerospace-grade aluminium construction with carbon end cap provides strength and lightweight benefits
- Substantial power improvements across the entire RPM range
- Significant weight reduction compared to stock exhaust
- Rapid Tuning System (RTS) for quick adjustments
- Compatible with both FMF and OEM headers
- Screen-type spark arrestor included
- Quiet insert available separately
- Designed for closed course competition use only
Specifications
- Type: Slip-On
- Configuration: Single
- Main Construction: Aluminium
- End Cap: Stainless Steel
- Midpipe: Stainless Steel
- Finish: Natural
- Spark Arrestor: Screen Insert (included)
- Quiet Insert: Sold separately
- Weight: 3.6 lbs (1.63 kg)
- FMF Item ID: 042382
Vehicle Fitment
Kawasaki
- KLX140 (2008–2020)
- KLX140F (2021)
- KLX140G (2017–2020)
- KLX140L (2008–2021)
- KLX140R (2021–2025)
- KLX140R F (2022–2025)
- KLX140R L (2022–2025)
FDY Performance – Engineered for riders who demand more.
At FDY Performance, we deliver precision-engineered motorcycle parts trusted by riders across the UK and beyond. Every component is tested for reliability, durability, and peak performance so you can ride harder, longer, and with confidence.
We’re not just a brand — we’re a movement built by riders, for riders. Whether you’re chasing podiums, upgrading your build, or maintaining your machine, FDY Performance keeps you on the road and at the top of your game.
📞 07765534854 | ✉️ fdy@fdyperformance.com | 🌐 www.fdyperformance.com
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