fits model: Yz450f, Yz450fx, Wr450f, Gytr. make: Yamaha. year: 2016–2018.

( Manufacturer Part Number: FF4416-842266 ), ( Part Type: Header Muffler ), ( Oe/oem Part Number: 0444020, 044404 )
The Yamaha FF4416-842266 FMF Powercore 4.1 Race System Header Muffler Set is a high-performance exhaust system designed specifically for the 2014-2017 YZ450F, 2016-2018 YZ450FX, and WR450F models from Yamaha. This exhaust system is manufactured by FMF Racing, a renowned name in the world of off-road and motocross racing.
The Powercore 4.1 Race System is a complete replacement for your stock exhaust system. It consists of a header pipe and a muffler, both made from high-quality materials to ensure durability and performance. The header pipe is made of stainless steel, which is known for its strength and resistance to corrosion. It features a 4-into-1 design, which helps to improve power delivery and throttle response by providing a smoother and more efficient exhaust flow.
The muffler, also made of stainless steel, is equipped with FMF's Powercore technology. This technology uses a series of slotted cores to create a turbulence effect that increases back pressure, resulting in improved engine performance. The muffler is also designed to be lightweight, reducing overall weight and improving handling.
The exhaust system features a polished finish, which not only looks great but also helps to reduce heat radiation. It also comes with FMF's signature heat shield, which is designed to protect your legs from the intense heat generated by the exhaust system.
The Powercore 4.1 Race System Header Muffler Set is a direct bolt-on replacement, meaning it can be easily installed without the need for any modifications to your bike. It comes with all necessary hardware and instructions for a hassle-free installation.
In conclusion, the Yamaha FF4416-842266 FMF Powercore 4.1 Race System Header Muffler Set is a high-quality, high-performance exhaust system that can significantly improve the performance of your 2014-2017 YZ450F, 2016-2018 YZ450FX, or WR450F. Its stainless steel construction, 4-into-1 header pipe design, and Powercore technology make it a great choice for any serious off-road or motocross enthusiast looking to gain a competitive edge.
Pros of buying Yamaha FF4416-842266 FMF Gytr 2014-2017 YZ450F 2016-2018 YZ450FX/WR450F Header Muffler Set:1. Improved Engine Performance: The FMF header and muffler set is designed to improve the engine's performance by increasing power and torque, which can result in better acceleration and top speed.
2. Lightweight Material: The FMF header and muffler set is made from lightweight materials such as titanium and carbon fiber, which can help reduce the overall weight of the bike, improving its handling and maneuverability.
3. Customizable Sound: The FMF muffler comes with a removable baffle, allowing riders to customize the sound of their bike to their liking.
4. High-Quality Construction: FMF is known for its high-quality construction and durability, which can help ensure that the header and muffler set lasts for a long time.
Cons of buying Yamaha FF4416-842266 FMF Gytr 2014-2017 YZ450F 2016-2018 YZ450FX/WR450F Header Muffler Set:1. Cost: The FMF header and muffler set is a more expensive option compared to other aftermarket exhaust systems.
2. Installation: The installation process can be complex and may require professional assistance, which can add to the overall cost.
3. Noise Level: The FMF muffler is designed to reduce noise, but it may still be louder than stock exhaust systems, which could be a concern for riders who live in noise-sensitive areas.
Conclusion:The Yamaha FF4416-842266 FMF Gytr 2014-2017 YZ450F 2016-2018 YZ450FX/WR450F Header Muffler Set is a high-quality aftermarket exhaust system that can improve the performance and sound of your bike. However, it is important to consider the cost and installation complexity before making a purchase. If you are willing to invest in a high-quality exhaust system and have the budget for it, the FMF header and muffler set is a great option. If you are looking for a more cost-effective solution, there are other aftermarket exhaust systems available that may better suit your needs. Ultimately, the decision to purchase the FMF header and muffler set should be based on your personal preferences, budget, and riding needs.
Uses stock Heat guards. Came from a 2016 WR450F. Also works on 14-17 YZ450F and 14-18 YZ450FX. Low hours USFS approved add some power to your Bike.
GYTR Exhaust BY FMF for 2014 18 WR450F Complete with Power Bomb Header pipe.