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  1. Alpha Turbo kit feedback - Black SL LE - ONE LAST QUESTION

    Polaris Slingshot Discussions
    I own the all black SL LE which is great, except for the normal black car issues. The Sling, regardless of speed, is a blast. However, When I started looking at exhausts and realized I wouldn't be happy with the sound of a 4 calendar and started looking into the turbos.... I would love any...