FMF Factory 4.1 RCT Exhaust Silencer 05-17 Honda CRF 450 X - FMF 041517

The FMF Factory 4.1 RCT Stainless Slip-On with Carbon End Cap combines cutting-edge Resonance Chamber Technology™ with a refined, compact design. Engineered with aerospace-grade materials and manufactured in Southern California, this slip-on delivers significant power gains throughout the rev range, substantial weight savings, and optimised mass centralisation for enhanced handling. It features a sleek natural aluminium muffler paired with a carbon end cap and includes both a spark arrestor and a 94dB quiet insert.

Features

• Incorporates the latest FMF Resonance Chamber Technology™ (RCT) both internally and externally
• Factory Forward Engineering–reduced muffler length, optimised for improved mass centralisation and crash resistance
• Aerospace grade materials for maximum durability and performance
• Natural aluminium muffler with carbon fibre end cap for premium aesthetics and reduced weight
• Delivers substantial power gains across the entire RPM range
• Massive reduction in overall weight for improved handling
• Rapid Tuning System (RTS) for easy adjustments
• Screen-type spark arrestor and 94dB quiet insert included
• Manufactured entirely in Southern California
• Closed course use only

Specifications

• FMF Item ID: 041517
• Type: Slip-On
• Configuration: Single
• Construction: Aluminium
• Finish: Natural
• Midpipe: Stainless Steel
• Endcap: Carbon fibre
• Spark Arrestor: Screen insert (included)
• Quiet Insert: 94dB insert (included)
• Weight: 5 lbs
• Carburettor Warning: No

Vehicle Fitment

Honda

• CRF450X (2005–2009, 2012–2017)

Supplier SKU: 06-1724.FMF.F4N. Supplier availability is subject to change.

Why Buy From FDY Performance?

Shop with FDY Performance Ltd, a UK-based motorcycle parts and accessories retailer. We offer friendly product support and UK delivery options. Please check your bike make, model and year against the fitment information before ordering.