Customer Ratings

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

FMF Factory 4.1 Slip-On Exhaust Pipe EFI 09-26 Yamaha YFZ450R/YFZ450X - 044400

Name: FMF Factory 4.1 Slip-On Exhaust Pipe EFI 09-26 Yamaha YFZ450R/YFZ450X - 044400
Brand: FMF
SKU: FMF_RACING_044400_001_0226_COPY
Price: 611.94 USD
Availability: InStock

$611.94

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

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.

Notice:Closed Course Use Only
Item ID:044400
Type:Slip-On
Configuration:Single
Const:Titanium
Finish:Blue Anodized
Midpipe:Stainless Steel
Endcap:Carbon
Spark Arrestor:Screen Insert (included)
Carb Warning:no
Quiet Insert:94dB Insert (included)
Weight:5 lbs.

APPLICATIONS

Make Model Year
YAMAHA YFZ450R 09-26
YAMAHA YFZ450X 10-11