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    Polaris Slingshot Problems and Issues
    A Slingshot was supposed to be my first purchase of an American made vehicle and my ultimate (within reason) dream vehicle. For the last year I had been waiting for the new 2020 SS model R to be in the showrooms. A few weeks ago I finally made it down to a dealer to check it out and make a...
  2. Anyone install new valve springs and cams?

    Polaris Slingshot Discussions
    Like the title says, have any of you guys installed new valve springs and cams on your sling? I'll be installing new valve springs on my sling in the next few days (due to the valves floating from some extra boost) and want some input on how the job went. -What tool did you use to compress the...
  3. Exhaust Extension Spring Noise

    Polaris Slingshot DIY Discussions
    While riding my slingshot through the mountains yesterday I noticed at low RPMs there was a vibration coming from under the hood. From the type of sound, I believe the noise is coming from extension spring vibration from the springs used on the exhaust. Has anyone figured out how to stop this...
  4. For Sale Almost new (-30 miles) Injen Intake for sale

    For Sale
    SOLD FOR $200 Thank you
  5. New Coil Covers Have Arrived at Twist Dynamics

    Polaris Slingshot Engine and Performance
  6. Dress-up your engine with the new Twist Dynamics Valve Covers.

    Polaris Slingshot Engine and Performance
    Twist Dynamics New Product Launch
  7. For Sale Catalytic Converter

    For Sale
    Slingshot catalytic converter with less than 25 miles total usage. Here is your chance to customize your engine for peak performance and still have a functioning catalytic converter when needed! Here is the price of a used catalytic converter on ebay $175 ( Polaris Slingshot OEM Catalytic...
  8. DDMWorks Built Ecotec Engines V2

    We have been building engines for the Slingshot now for awhile and constantly working to provide a better product. We are now offering our new V2 engines with a lot of little upgrades that will provide even more reliability to the built engines we do. Some of these upgrades include bronze valve...
  9. Engine Swap and Supercharger install at Adirondack event

    It was a fun event at the Adirondacks last week and @ivor put on another great event. We had a great time talking with everyone and answering lots of questions, hope to see everyone there next year again! While we were there we did an engine swap and heard a lot of people say we were crazy to...
  10. Engine Swapping - Worth The Headache?

    Polaris Slingshot Builds
    So as some of you may know and already have done, engine swapping is starting to become more prevalent for the Slingshot. This is something I also want to do, however, I know nothing about engines (internally and compatibility) to really get a foothold of what I should be looking for. I know...
  11. Sold! $200 DDM Works CAI with Air box (black) - barely used

    For Sale
    DDM Works CAI with Air box (black) Condition: Like new Price: $200 Shipping: Paid by buyer (available for pickup) As soon as I installed the CAI for the summer I realized I "needed" the turbo. If purchased brand new this system runs for $345. Save the money for other mods! Less than 100...