A 4-Stroke header system that incorporates FMF's patented Power Bomb module at a precise location in the initial stage of the header system; by positioning the "Bomb" at this key point, the expansion and contraction of exhaust sonics through the system resulting in a flow increase of nearly 10%. The surface of the perforated core lets the sound exit into the absorbing material (steel wool packing) and then allows the air to expand, cool and ramp back up at higher air pressures (RPMs). The Power Bomb is a "pre-muffler" of sorts, which helps to lower the bike's sound output because it provides more sound-absorbing surface area to allow the exhaust gases to become absorbed.
Enhance your Honda CRF450R or RX model with the FMF Racing Part Number 041601 Q4 sound absorbing header system, designed specifically for models from 2021 to 2026. This comprehensive 4-stroke header system features FMF's patented Power Bomb module strategically positioned in the initial stage of the header. This innovative placement creates a significant increase in exhaust flow—almost 10%—resulting in improved engine performance and responsiveness. The Power Bomb acts as a pre-muffler, utilizing a perforated core and absorbing material to effectively reduce sound output while allowing exhaust gases to expand and cool efficiently, leading to a quieter operation without sacrificing power.
The perforated core surface directs sound into the steel wool packing, which absorbs noise and helps manage exhaust gas temperatures at higher RPMs. This design not only boosts overall flow but also enhances the bike’s sound profile, making it suitable for riders seeking a balance between performance and noise reduction. The system's construction complies with EPA standards, ensuring environmentally responsible operation without the need for carburetor acknowledgment. Easy to install and built for durability, this header system is an ideal upgrade for serious riders seeking increased horsepower, better throttle response, and a more refined exhaust note.
Compatible with 2021-2026 Honda CRF450R and RX models, this FMF Racing header system is a reliable choice for motocross and off-road enthusiasts. Its robust construction and proven design provide long-lasting performance, making it a valuable addition to your bike’s exhaust setup. Whether you're looking to improve power or reduce sound levels, the FMF Racing Honda CRF450 R/X header system offers a combination of advanced engineering and proven performance to meet the demands of competitive and recreational riders alike.
Features:
- Patented Power Bomb module strategically positioned in the header for increased exhaust flow
- Sound absorption core with perforated design and steel wool packing for noise reduction
- Boosts exhaust flow by nearly 10%, enhancing engine responsiveness and power
- Designed specifically for Honda CRF450R and RX models from 2021 to 2026
- EPA compliant with no carburetor acknowledgment required
- Constructed for durability and easy installation, suitable for motocross and off-road use
Fits
2021 Honda CRF450R
2021 Honda CRF450RX
2022 Honda CRF450R
2022 Honda CRF450RX
2023 Honda CRF450R
2023 Honda CRF450RX
US Dollars
