[yz426 Thunder alley head pipe] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs
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yz426 Thunder alley head pipe

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Posted by: ss440ex

For anyone doing a exhaust system on their Hybrid.
Or an up grade.
Try Thunder alley`s yz head pipe.
A big inprovement over the OEM.
Lots of low end and noticiable mid range.

Affordable and great looks!


Posted by: 800screws

got a link?


Posted by: ss440ex

www.thunder-alley.net


Posted by: slow

yz aftermarket headers dont do much. For the yz usually you get a smaller diamiter or a larger diamiter header. Larger= more top end and you loose bottom or small header any you gain bottom but loose top. Changing the muffler only adds 2hp. The yz motors come stock with good flowing systems.




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