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  1. Slip on exhaust sportsman 550 efi

    ATV Performance Modifications
    I am looking into getting a slip on exhaust for my sportsman 550 EFI. I am looking for something that is made for mudding/ swamp style. I don't want something quiet. I want it to sound tough. Something that adds horse power but does void my factory warranty. I was looking at HMF swamp XL. Does...
  2. 850XP stock exhaust vs. Big Gun exhaust.

    Polaris XP
    I have spent the last two weeks trying to decide which exhaust to go with. I'm pretty sure I read every thread on here and watched every video on youtube concerning aftermarket exhaust. My buddy just ordered and installed the big gun slip on and after hearing his I couldn't pass up the sound or...
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