if cooling is potentially an issue why not make the coolant channel bigger to overcome the lost surface of having a shorter tunnel?
Unfortunately, that is where they saved some weight as well as going to thinner metal when going to the Pro-Ride & Axys tunnels. Personally, I'll gladly take the few extra pounds for larger tunnel coolers to have better cooling capacity. Those that installed MtnTk's full length tunnel coolers just added that weight back on plus some.
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