Canadian Modder Adds Fourth Wheel To Polaris Slingshot, The Result Is Awesome

The Slingshot is a three-wheeled motor vehicle that can only be described as a “reverse trike” and by Polaris’ own standards, it borders closer to the realm of motorcycles instead of cars. Not this one, though.

The guys from Bullet Speed and Design decided to transform the trike with their bolt-on quad-kit specifically designed for the Slingshot. Due to its interesting and unique concept, the stock vehicle was special enough to set itself apart from the three-wheeled crowd; but will it do the same in a more “conventional” form?

Styling wise, the Slingshot undoubtedly looks great sitting on four wheels. Bullet Speed and Design says that, due to their bolt-on solution, zero fabrication is required. That means nothing on the Slingshot has to be cut off, as the upgrade kit can be directly mounted. Featuring Formula 1-inspired push-rod/rocker IRS rear suspension, an Infiniti G35 3.53:1 limited slip diff and Bullet’s own custom drive shaft, the modded Slingshot is well equipped for driving thrills.

It also comes with inboard mounted Wilwood 12.1-inch discs, which reduces unsprung weight. Moreover, customers can choose between the stock two-way adjustable Yamaha R1 shocks or Bullet’s own R-Spec kit that features Billet Hyperpro 461 two-way adjustables.

Bullet Speed and Design charges $10,000 for the base level kit and $12,500 for the upscale variant.


  • Zed68

    Wow !!! It looks like a mean beast.

  • Random Guy

    About time!! 3 wheels looked UGLY!!

  • Six_Tymes

    Damn cool!

  • smartacus

    Now do a kit for the Elio

    • smartacus

      should be easier since it’s front wheel drive

  • Matt

    Looks like a High School engineering project – awful.

    • Jason Miller

      Well if you think you can do better, by all means…

      • Andrewthecarguy

        There’s always one isn’t there?

  • fabri99

    I like the idea, but it looks like the rear end is going to come off at any time… Plus, three wheels were what made it cool and original. Now it’s just another track day car…

    • Andrewthecarguy

      …and that’s not a bad thing.

      • fabri99

        Sure, the more the merrier… but if you’re hoping to survive in such a competitive and crowded market, you have to do something different.

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