FMF Racing Powercore 4 Muffler for 2006-08 Kawasaki KX450F, 2008-09 KLX450R

FMF Racing Powercore 4 Muffler | Kawasaki KX450F (06-08) & KLX450R (08-09)

FMF Powercore 4 Muffler | Kawasaki KX450F (06-08) & KLX450R (08-09)

Increase horsepower and torque on your Kawasaki KX450F or KLX450R with the FMF Powercore 4. Durable aluminum build with a removable spark arrestor. Shop now!

The FMF Powercore 4 was developed to be the premier performance exhaust for riders seeking a significant increase in horsepower and torque without breaking the bank. This muffler produces a power curve that is both broader and more usable, making it compatible with every style of riding—from technical woods sections to wide-open motocross tracks.

Constructed with high-quality aluminum and featuring stainless steel Hi-Flo end caps, the Powercore 4 offers the perfect balance of lightweight performance and long-term durability. It has been completely redesigned for late-model applications to ensure optimal flow and fitment. For those riding in regulated areas, the system includes a removable spark arrestor, allowing you to transition from the track to the trail with ease.

Best Uses:

• Motocross & Supercross: Gain the competitive edge with increased mid-to-top end pull.
• Off-Road & Enduro: The broad powerband helps with technical climbs and torque-heavy sections.
• Trail Riding: Use the included spark arrestor to stay compliant on public lands.
• Performance Maintenance: An excellent, high-strength replacement for a restrictive or damaged OEM muffler.

5 Key Features:

1. Broad Power Development: Engineered to increase horsepower and torque throughout the entire power curve.
2. Lightweight Aluminum Body: Significantly reduces weight compared to stock, improving bike flickability.
3. Stainless Steel Hi-Flo End Caps: Durable components designed to withstand high heat and heavy vibration.
4. Removable Spark Arrestor: Includes a USFS-approved spark arrestor for versatile track and trail use.
5. Redesigned Internal Architecture: Specifically optimized for late-model 4-stroke engine characteristics.

5 Key Benefits:

1. Noticeable Power Gains: Feel a direct improvement in throttle response and acceleration from the first ride.
2. Exceptional Durability: The combination of aluminum and stainless steel ensures a long service life in harsh conditions.
3. Versatile Riding Styles: The power delivery is smooth and predictable, making it ideal for any rider skill level.
4. Easy Installation: Designed as a direct slip-on replacement for a hassle-free upgrade.
5. Race-Ready Sound: Provides a deep, throaty exhaust note that defines the FMF racing pedigree.

The PowerCore 4 was developed 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 end caps 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. Aluminum slip-on developed to increase the horsepower and torque throughout the entire power band.

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