FMF Factory 4.1 RCT Slip-On Muffler for Yamaha YZ450F - Offroad Exhaust System

The FMF Factory 4.1 RCT Slip-On Muffler is engineered for offroad performance enthusiasts seeking maximum power and refined sound. Incorporating the latest resonance chamber technology, this muffler reduces noise levels while maintaining impressive exhaust flow and engine performance. Its innovative design features a patented core shape that minimizes sound output without sacrificing horsepower, making it ideal for competitive and recreational offroad riding. The canister shape increases internal volume, allowing for more sound-absorbing material, which further enhances the exhaust note and reduces unwanted noise. Crafted with a patented chamber design, this muffler optimizes and refines exhaust pressure, resulting in improved engine efficiency and throttle response. The factory-forward engineering approach centralizes mass to improve durability and reduce the risk of crash damage, ensuring reliable performance during rigorous offroad conditions. Tuning has been meticulously calibrated for each application, providing an optimal mix of sound, power, and performance. The innovative rear endcap allows for easy installation of tuning tip inserts or spark arrestors, giving riders customization options to suit their riding style or local regulations. The titanium midpipe offers extreme lightweight benefits, reducing overall bike weight and improving handling. Designed specifically for Yamaha YZ450F models from 2018 to 2023, this slip-on muffler fits seamlessly with your bike's existing exhaust system, delivering both performance gains and a professional aesthetic. Whether for competitive racing or trail riding, the FMF Factory 4.1 RCT muffler is a top-tier upgrade to elevate your Yamaha YZ450F’s exhaust system, providing durability, performance, and a refined exhaust note.

Features:

• Incorporates the latest resonance chamber technology for noise reduction and performance

• Patent-pending core shape lowers sound levels while maintaining maximum power output

• Canister shape increases internal volume for enhanced sound absorption

• Patented chamber design enhances and refines exhaust pressure

• Factory-forward engineering centralizes mass for durability and crash resistance

• Tuned exhaust with optimized core specifications for each application

• Innovative rear endcap facilitates easy installation of tuning tip inserts or spark arrestors

• Titanium midpipe delivers extreme lightweight benefits for improved handling

Product Type: Exhaust
Exhaust Type: Slip-On Muffler
Model: FACTORY 4.1
Segment: Offroad
Division: Exhaust
Class: Mufflers, Pipes, & Systems
Sub Class: Mufflers, Silencers, Slip Ons

FITMENT:
2018 Yamaha YZ450F
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2020 Yamaha YZ450F
2020 Yamaha YZ450FX
2021 Yamaha YZ450F
2021 Yamaha YZ450FX
2022 Yamaha YZ450F
2022 Yamaha YZ450FX
2023 Yamaha YZ450F
2023 Yamaha YZ450FX
2024 Yamaha YZ450F
2024 Yamaha YZ450FX