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Victorious Garage High Performance Intake Stacks for Aprilia RS 660 20-24.
Dual Intake Stacksfor Aprilia RS660.
Moves the maximum power zone to the high end of the tachometer (11000 rpm) giving a gain of 8.9cv on a fully stock bike, as opposed to the stock trumpets which deliver maximum power much earlier resulting in a bike with an unusable last 1500 rpm.