FMF PowerCore 4 Slip-On Exhaust Muffler 044224 for Yamaha YFZ450

Boost horsepower and torque across the entire power curve with the FMF PowerCore 4 Slip-On Muffler (044224), designed specifically for Yamaha YFZ450 ATV models. The aluminum muffler body pairs with durable stainless steel Hi‑Flo endcaps to deliver a high-strength, light-weight upgrade that enhances throttle response without adding unnecessary weight.

Completely redesigned for late-model Yamaha applications, PowerCore 4 improves exhaust flow while delivering a deeper, more aggressive exhaust note. A removable spark arrestor is included, making it suitable for both street-legal trails and closed-course environments where required.

• Material: aluminum muffler body with stainless steel Hi‑Flo endcaps
• Compatibility: Yamaha YFZ450 (04-09 and 12-15) slip-on exhaust
• Removable spark arrestor included for versatile use
• Lightweight design enhances handling and throttle response
• Advanced sound attenuation yields a deep, assertive exhaust tone
• Easy installation for a straightforward upgrade to your Yamaha ATV

Whether you’re chasing competitive edge on the track or craving enhanced performance on rugged trails, the PowerCore 4 044224 is built to deliver sustainable power gains with reliable durability in a compact, user-friendly exhaust solution.

We developed the PowerCore4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo endcaps make for the perfect balance of performance and strength.

• Aluminum performance muffler with durable stainless steel components
• Completely redesigned for all late model applications
• Removable spark arrestor included

The FMF Racing PowerCore 4 for Yamaha is designed to enhance your motorcycle's performance with a high-quality aftermarket exhaust muffler that delivers improved exhaust flow and sound. Crafted with precision, this component fits seamlessly onto Yamaha models, providing an upgrade that combines durability and performance. The PowerCore 4 features a lightweight construction that minimizes weight without sacrificing strength, ensuring optimal handling and responsiveness during rides. Its design incorporates advanced sound attenuation technology, resulting in a deep, aggressive exhaust note that enthusiasts desire. Installation is straightforward, making it an excellent choice for those looking to boost their bike's performance with a reliable and durable exhaust solution. Whether you're racing or enjoying casual rides, the PowerCore 4 is engineered to meet demanding conditions and improve overall engine efficiency.

Features:

• Engineered for Yamaha motorcycles to improve exhaust flow and sound

• Lightweight design enhances handling and responsiveness

• Durable construction for long-lasting performance

• Advanced sound attenuation technology for a deep, aggressive exhaust note

• Easy installation for a hassle-free upgrade