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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250F or WR250F
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[QUOTE="spanky250, post: 74956, member: 20897"] One thing I would suggest is to choose an exhaust by the sound output. All the aftermarket systems give a huge boost in performance, but some are much louder than others. The Doubach system or the Yoshimura system probably produce the best power for the type of riding you want to do, and neither of them are as ear-splittingly loud as the FMF or PC systems. Making the engine produce YZ power is as simple as moving the exhaust cam one notch on the chain, but it will lose a lot of the WR torque in the process. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250F or WR250F
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