FMF Factory 4.1 RCT Slip-On Muffler Blue Yamaha WR250F/YZ250F/YZ250FX

Description

FMF Factory 4.1 RCT Slip-On Muffler Blue Yamaha WR250F/YZ250F/YZ250FX

The FMF Factory 4.1 RCT is a titanium slip-on muffler for compatible Yamaha WR250F, YZ250F and YZ250FX models. It features a blue anodised titanium muffler body, titanium pipe construction and a conical carbon fibre end cap.

FMF Resonance Chamber Technology uses a patented core shape and internal chamber ducts to increase internal volume and support exhaust flow while reducing sound levels. The Factory Forward design centralises mass, while the removable rear end cap allows tuning inserts or the spark arrestor to be accessed by removing four screws.

Features:
• FMF Resonance Chamber Technology (RCT)
• Patented core shape designed to reduce sound levels while maintaining power output
• Internal chamber ducts increase internal volume and support exhaust flow
• Factory Forward design centralises mass
• Designed to reduce exposure to crash damage
• Compatible with stock header or compatible FMF header
• Removable rear end cap for tuning tip or spark arrestor access
• QuietCore 94dB insert included
• Spark arrestor included
• Meets AMA and FIM sound requirements stated by FMF

Specifications:
• Brand: FMF
• Model: Factory 4.1 RCT
• Product Type: Slip-On Muffler
• MPN: 044486
• Muffler Material: Titanium
• Pipe Material: Titanium
• Muffler Colour: Anodised Blue
• End Cap Material: Carbon Fibre
• End Cap Style: Conical
• Engine Type: 4-Stroke
• Spark Arrestor: Included
• Weight: 3.20kg

Contents:
• 1 × FMF Factory 4.1 RCT Slip-On Muffler
• 1 × QuietCore 94dB Insert
• 1 × Spark Arrestor

Compatibility:
• Yamaha WR250F 23-25
• Yamaha YZ250F 19-27
• Yamaha YZ250F 50th Anniversary Edition 24
• Yamaha YZ250F 70th Anniversary Edition 25-26
• Yamaha YZ250F Monster Energy Racing Edition 21-23, 25
• Yamaha YZ250FX 20-27

Important:
• Compatible with the stock header or compatible FMF header.
• According to FMF, this muffler does not meet the 2025 FIM sound regulation.