Race Tune WITHOUT aftermarket exhaust…WORTH it? SHOULD you?? | Aprilia RS 660 ( SK XIII)

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In today's video, I go over the benefits of the race tune that I experienced/noticed after riding the Ape with it. I installed the race tune without any other modifications...AKA stock exhaust. Is that advisable...? SHOULD you do it? Check out the video to hear my thoughts! :)