In stock
Regular price $4,999.99
Regular price Sale $5,699.99 Sale price $4,999.99

Have you ever seen or road a turbocharged Harley and thought "I need one of these"? Now you can!! We are proud to announce our bolt on turbo kit for the Harley M8 Models. This kit is built with top quality components at a wallet friendly price. The stock 117 M8 engine puts down on average 100 wheel horsepower on our Axis Dynometer, the Silber Turbo Kit on a completely stock 117 engine, pump gas, 7 psi of boost lays down an impressive 130HP. Install our recommended 465 cam and the HP jumps to 155HP!!! Looking for even more ponies, mix in some fuel additive and throw down 175+HP. The kit is built around the Genuine Garrett GT2560 Ball Bearing turbocharger, which builds boost instantly and gives the bike a unique turbocharged sound. The kit comes with a Thundermaxx ECU, preprogrammed and ready to ride with our proven reliable mapping.

We know we are not well known in the On Road motorcycle world yet, but rest assure our team has been building turbo kits for decades. Silber Turbos is the industry standard in many other markets for aftermarket turbo kits and components, selling thousands of Turbo Kits every year.

Kit Includes the Following Parts:

  • Garrett GT2560 Ball Bearing Turbocharger or Silber KPA GT2860 Turbocharger
  • Thundermaxx ECU with 02 Sensors (Preinstalled Mapping Included)
  • Stainless Steel V Band Exhaust Housing
  • Turbosmart 40MM External Wastegate Actuator
  • Stainless Steel Exhaust Manifold (Engine to Turbo)
  • Stainless Steel 3" Exhaust with Muffler (Comes with Black and Polished Tip to customize the look)
  • Exhaust comes with 2 sets of removable heatshields (Brushed Stainless and Black Coated to customize your look)
  • Custom Molded Silicone Intake Hose
  • CNC Billet Aluminum Airbox (Finned Plenum) Anodized Black
  • CNC Billet Cam Cover Plate
  • Bosch Fuel Injectors
  • Includes all necessary hardware, gaskets and fasteners.
  • Simple Bolt on Installation.

Looking to save some money, we offer this kit with our exclusive GT2860 Ballbearing turbocharger, we have been using these for over 5 years in our snowmobile and sxs turbo kits. We also offer the kit with and without the ThunderMaxx ecu. If you already own the ThunderMaxx ecu we will email you the recommended tune for your bike!!


2018-2023 Low Rider, Low Rider S / ST, Fat Bob, Street Bob Deluxe, Standard
2017-2023 Harley-Davidson FLH/FLT/Special/Limited/ST M8 models

Kits will start shipping end of November 2023

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