exhaust pipe free to 2-1 difference?
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03-14-2011, 04:11 PM
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exhaust pipe free to 2-1 difference?
hello friends, I have a free exhaust system with terminal trumpet, and I wonder if putting an exhaust system 2-1, notice the difference, my bike is a softail 91, with engine Revtech 88 ". hypercharger, double spark plug per cylinder, Mikuni HSR42, would be worth the change?
my engine is an evolution
my engine is an evolution
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