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hurricane jonny

Prove it!

2 posts in this topic

XR's only has a slip on exhaust that they claim increases torque by 13 lb. ft. Even over the HRC tip. I don't think so. That more of a gain than uncorking it from stock. Has anyone tried this miracle muffler? I want to see a dyno chart! :)

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I think that's just regarding the corked California model. Maybe their wording is askew.

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