FMF Factory 4.1 RCT Ano Ti Slip-On Muffler with Spark Arrestor for Honda CRF250R/CRF250RX, Part 041611

The FMF Factory 4.1 RCT Ano Ti Slip-On Muffler, manufacturer part number 041611 and vendor part number 79-041611, is a performance exhaust upgrade designed for select Honda four-stroke motocross and cross-country motorcycles. This tuned muffler fits the 2022–2024 Honda CRF250R and CRF250RX, providing optimized exhaust flow and refined sound control while maintaining strong power output. The titanium canister and mid-pipe deliver a lightweight, durable construction suitable for demanding track and trail applications.

FMF’s Resonance Chamber Technology uses a patented core shape to lower sound levels without sacrificing performance. The patented canister shape increases internal volume for additional sound-absorbing material, while the chamber design helps enhance and refine exhaust pressure throughout the powerband. Factory Forward Engineering centralizes mass for improved handling and helps reduce exposure to crash damage.

Feature: Tuned exhaust with application-specific core specifications for the Honda CRF250R and CRF250RX
Feature: Titanium canister and mid-pipe for lightweight performance
Feature: Patented Resonance Chamber Technology for controlled sound and maximum power output
Feature: Factory Forward Engineering centralizes mass and helps protect the muffler during crashes
Feature: Innovative rear end cap accepts tuning tip inserts or a spark arrestor for simplified installation
Feature: Includes spark arrestor and wash plug
Feature: Direct-fit slip-on design for 2022, 2023, and 2024 Honda CRF250R and CRF250RX models

Professional installation is recommended to confirm proper alignment and sealing during assembly. Verify motorcycle model and year before ordering. FMF part 041611 is intended for the listed Honda applications and is not a universal-fit muffler.

Features:

• Tuned exhaust with application-specific core specifications for the Honda CRF250R and CRF250RX
• Titanium canister and mid-pipe for lightweight performance
• Patented Resonance Chamber Technology for controlled sound and maximum power output
• Factory Forward Engineering centralizes mass and helps protect the muffler during crashes
• Innovative rear end cap accepts tuning tip inserts or a spark arrestor for simplified installation
• Includes spark arrestor and wash plug
• Direct-fit slip-on design for 2022, 2023, and 2024 Honda CRF250R and CRF250RX models