Factory 4.1 RCT Silencer Kawasaki KX450 2021 2023
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Price history
Tracked since 27th Oct 2026About this product
The FMF Factory 4.1 RCT Silencer Kawasaki KX450 2021 2023 is stocked by 1 shop we compare on Shopperazzi, across 2 variants. Listed prices start at £685.49 and go up to £856.99.
Features: RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output. Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power. FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage. Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws. Compatible with stock header or FMF header. Meets AMA and FIM sound requirements. QuietCore 94 dB insert included. Spark arrestor included in muffler. Made in the USA.
Specifications
- Specifications
- End Cap Color/Finish: Black. End Cap Material: Carbon Fiber. Material: Aluminum. Model: Factory 4.1 RCT. Muffler Color/Finish: Natural. Muffler Color/Finish: Raw. Muffler Material: Aluminum. Muffler Material: Aluminum| Stainless Steel. Pipe Material: Stainless Steel. Product Name: Muffler. Research Value: Finalized. Riding Style: Off-Road.
Product details
- Brand
- FMF
- Model
- 042369
- MPN
- 042369
- Condition
- New
- Category
- Motorcycles
- Variants
- 2 options












