Yamaha
YFZ 450 (04-10)
Price: $259.95
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* Production Time: 5-7 Business Days (?)
Shipping Time: view on map
For detailed information about exhaust options, click the (?) next to each of the options above. If you have further questions or concerns, contact our online custom service department or call 1.866.HMF.PIPE.
Yamaha was the first manufacturer in the 450 sport quad market and HMF has been tuning it since day one. Whether you are a weekend warrior trail rider or a pro class racer, HMF has an exhaust that fits your power needs. You can expect a 16% horsepower gain with our full system, with proper re-jetting & removing the airbox lid.
HMF Competition Series: The HMF Competition Series with Trimax Core technology features 3 levels of power and sound, allowing you to dictate the type of power and sound you need, when you need it.
Stage 1 uses an insert that restricts sound levels extensively yet produces industry leading power at that dB level.
Stage 2 uses a different sound altering insert that partially lowers sound levels without losing much horse power.
Stage 3 acts as an unrestricted core producing high dB levels with industry leading power throughout the RPM range.
The new Euro End Cap is forged out of 304 Stainless Steel and adds an incredible sound output. Stainless Steel rivet bands are wrapped around the shell and air riveted in for more durability and security.
HMF Performance Series: The HMF Performance Series is specifically designed for sport machines and delivers the most horsepower & torque per dollar of any series. It was specifically designed to deliver maximum power gains throughout the RPM range. If you need to run quiet from time to time, the Performance Series accepts the optional HMF Quiet Core.
HMF Quiet Race Series: The Quiet Race Series is designed for racing machines and meets most sound regulations while still delivering horse power gains. When compared to the Performance Series exhaust with a HMF Quiet Core installed, the QRS delivers more horse power and less dB. With the specially designed core, the HMF Quiet Core can not be used on the Quiet Race Series.
All HMF exhausts feature:
HMF Competition Series: The HMF Competition Series with Trimax Core technology features 3 levels of power and sound, allowing you to dictate the type of power and sound you need, when you need it.
Stage 1 uses an insert that restricts sound levels extensively yet produces industry leading power at that dB level.
Stage 2 uses a different sound altering insert that partially lowers sound levels without losing much horse power.
Stage 3 acts as an unrestricted core producing high dB levels with industry leading power throughout the RPM range.
The new Euro End Cap is forged out of 304 Stainless Steel and adds an incredible sound output. Stainless Steel rivet bands are wrapped around the shell and air riveted in for more durability and security.
HMF Performance Series: The HMF Performance Series is specifically designed for sport machines and delivers the most horsepower & torque per dollar of any series. It was specifically designed to deliver maximum power gains throughout the RPM range. If you need to run quiet from time to time, the Performance Series accepts the optional HMF Quiet Core.
HMF Quiet Race Series: The Quiet Race Series is designed for racing machines and meets most sound regulations while still delivering horse power gains. When compared to the Performance Series exhaust with a HMF Quiet Core installed, the QRS delivers more horse power and less dB. With the specially designed core, the HMF Quiet Core can not be used on the Quiet Race Series.
All HMF exhausts feature:
- USFS approved spark arrestor included
- 304 stainless steel flanges, headpipes & S-bends
- Tough T6061 aluminum or lightweight Carbon Kevlar exhaust shells
- Volumized, high performance glass wool packing
- Significantly lighter when compared to stock systems
- Made in the U.S.A.
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