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4.9/5 (546 Reviews)

4.81/5 (1,689 Reviews)

Customer Reviews ⭐️ Lionparts has awesome customer service and can’t thank them enough for their help in getting my order/setup correct! - Tom M. ⭐️ Best customer service I have experienced in a very long time. Product is high quality and fits perfect - Christy ⭐️ LionParts has been very consistent, and helpful finding the necessary parts for my needs! - Curtis ⭐️ Had an awesome experience with Lionsparts! I bought my KFI snow plow from them through Trevor who was very knowledgeable and helpful! - Eric

YZ450F FMF 4.1 RCT Slip-On Exhaust Pipe Blue Yamaha YZ 450F 2018-2026 - 044445

Name: YZ450F FMF 4.1 RCT Slip-On Exhaust Pipe Blue Yamaha YZ 450F 2018-2026 - 044445
Brand: FMF Racing
SKU: FMF_RACING_044445_001_0226_COPY
Price: 727.97 USD
Availability: InStock

$727.97

Questions? Call or text us at:1-888-927-3076

Item is in stockOnly 0 left in stockItem is out of stock Item is unavailable

Fitment

Customer Reviews ⭐️ Lionparts has awesome customer service and can’t thank them enough for their help in getting my order/setup correct! - Tom M. ⭐️ Best customer service I have experienced in a very long time. Product is high quality and fits perfect - Christy ⭐️ LionParts has been very consistent, and helpful finding the necessary parts for my needs! - Curtis ⭐️ Had an awesome experience with Lionsparts! I bought my KFI snow plow from them through Trevor who was very knowledgeable and helpful! - Eric

THIS FITS THE 2018-2025 YZ450F & 2019-2025 YZ450FX

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.

-Available in Blue Anodized Titanium Muffler with Carbon End Cap

-Massive Power gains throughout the RPM range.

-Huge weight savings

-New RTS (Rapid Tuning System)

-FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to our standards.

Item ID: 044445
Type: Slip-On
Configuration: Single
Const: Titanium
Finish: Blue Anodized
Midpipe: Titanium
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)

Make Model Year Make Model Year
YAMAHA WR450F 19 YAMAHA YZ450F 18-26
YAMAHA YZ450FX 19-26