5% OFF CODE: SAVE

Most Parts Ship Free!

No Sales Tax Outside of Arizona

FMF Racing  |  SKU: FMF044401

FMF Racing - 4.1 Complete System Carbon Cap w/SS Powerbomb Header

$949.99
Shipping calculated at checkout.


*To see if this product fits your vehicle, refer to the fitment options below.         


The FMF Racing 4.1 Complete System with Carbon Cap and SS Powerbomb Header is the ultimate exhaust solution for serious riders looking to maximize their bike’s power, torque, and overall performance. Combining FMF's high-performance Factory 4.1 muffler with the advanced SS Powerbomb Header, this system is engineered to deliver a significant boost in horsepower and acceleration while maintaining durability and lightweight performance.

Key Features:

  • Factory 4.1 Muffler with Carbon Cap: The 4.1 muffler features Resonance Chamber Technology™ (RCT), providing massive power gains across the RPM range. The carbon end cap adds a sleek, lightweight touch and provides added protection against damage while reducing weight.
  • SS Powerbomb Header: The SS Powerbomb header enhances exhaust flow with its innovative multi-chamber design, increasing power and torque throughout the RPM range. This header is engineered to improve low-end power and deliver smoother throttle response, making it ideal for off-road and motocross riders.
  • Massive Power Gains: The combination of the 4.1 muffler and SS Powerbomb header delivers substantial horsepower and torque improvements, providing more power when you need it most.
  • Lightweight Design: Constructed from aerospace-grade titanium and stainless steel, this system is built for strength and durability while keeping the weight low for improved handling and agility.
  • Durable and Reliable: Designed to withstand the toughest conditions, the SS Powerbomb header and carbon end cap ensure long-lasting performance, even through rough trails or intense racing conditions.
  • Perfect for Racing & Off-Roading: Whether you’re competing on the track or riding off-road, this exhaust system provides superior power, torque, and throttle control, giving you a competitive edge.

Why Choose the FMF 4.1 Complete System with Carbon Cap & SS Powerbomb Header?

  • Maximum Power and Torque: Significant power gains across the entire RPM range for faster acceleration, better throttle response, and improved overall performance.
  • Lightweight & Durable: Built with aerospace-grade titanium and stainless steel, this system is engineered to be lightweight and durable, enhancing your bike’s handling and performance.
  • Built for Tough Conditions: The SS Powerbomb header and carbon end cap are designed to stand up to the harshest riding conditions, ensuring maximum durability and long-lasting performance.
Year Make Model
2009-2022 YAMAHA YFZ450R
2010-2011 YAMAHA YFZ450X


Delivery and Shipping

  • Most orders ship in 1 to 3 Business Days
  • Free Shipping to Lower 48 - (3 to 6 Day Delivery)
  • Expedited Shipping options Available - (Please Call)
  • Alaska | Puerto Rico | Hawaii Shipping fees Apply

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)