2026 Defender HD11 ECU tuning

WSRD is proud to release an industry first; the tuning solution for your stock 2026 Defender HD11!

SKU:

Description

WSRD is proud to release an industry first; the tuning solution for your stock 2026 Defender HD11!

  • MG1 ECU Unlock
  • MG1 ECU Bench Flash

Power Output:

  • Stock Tune | 87+ Octane: 73.4 Hub Horsepower 
  • Stock Tune – Sport Mode | 87+ Octane: 75.6 Hub Horsepower
  • WSRD Tune | 87+ Octane: 87 Hub Horsepower
  • WSRD Tune + DEFCOM Clutch Kit | 87+ Octane: 101.7 Hub Horsepower

Tune Features:

  • Optimized spark and fuel mapping for added torque/horsepower
  • Modified torque limits for allow quicker power delivery
  • Speed limiter removed, Rev Limiter raised from stock 8500 to 8800
  • Fan temps lowered from 205 to to 185
  • Pedal mapping sensitivity modified and smoothed in Sport mode
  • Allow the ability to start without brake in Park, Reverse, and Forward Gears
  • 2 foot operation torque limiter raised

Please note that this is an ECU bench Flash Service. This service, much like our Can-Am X3 and Maverick R MG1 Unlock & Flash, and will take 5-7 business days to process.

ECU Shipping Details:
Please ship your stock ECU to the following address:

RVS Performance
430 1st AVE E
Cambridge, MN 55008

Clutching info:

The Defcom 7 is KWI’s dedicated clutch kit for the Can-Am Defender HD11 lineup—built to maximize performance and belt life whether you’re working hard or pushing your machine with power upgrades. This kit corrects clutch inefficiencies, restores lost power, and keeps your Defender running cool and smooth in any environment.

Available in two versions to match your build;

Defcom 7 Base:

  • For stock HD11 models running factory tunes.
  • Designed for daily work, trail rides, and recreational use
  • Improves power transfer and throttle response
  • Reduces belt slip and heat buildup
  • Plug-and-play setup for factory machines

What’s Included?

  • (3) Defcom 7 Adjustable Weights
  • Black/Yellow Primary Spring
  • Full Calibration Screw Pack

Defcom 7 Pro:

  • For tuned or turbocharged HD11s.
  • Calibrated for higher horsepower builds
  • Supports performance tunes and forced induction
  • Helps maintain safe belt temps under aggressive use
  • Tunable to different tires and terrains

What’s Included?

  • (3) Defcom 7 Adjustable Weights
  • Black/Yellow Primary Spring
  • DR3 Groovix Helix
  • Black Secondary Spring
  • Full Calibration Screw Pack

Clutch Kit Features:

  • Tailored Performance for the HD11 – Purpose-built for the Can-Am Defender HD11 to eliminate factory clutch limitations and maximize real-world performance.
  • Two Configurations for Your Build – Choose between the Base Kit for stock machines or the Pro Kit for tuned/turbocharged builds.
  • Precision Adjustable Weights – Includes KWI’s Defcom adjustable weights and full screw pack for easy tuning and optimized power delivery across any terrain or load.
  • Improved Belt Life & Efficiency – Smoother engagement and better backshifting reduce belt temps and extend belt life, even under heavy load.
  • Groovix Helix (Pro Only) – The Pro package includes the DR3 Groovix Helix for increased belt grip, better cooling, and maximum efficiency under high-horsepower demands.
  • Heavy-Duty Springs – Black/Yellow primary spring included in both kits. The Pro kit adds a Black secondary spring for improved backshift control.

Additional information

Weight 5 lbs
Dimensions 10 × 10 × 10 in
Tuning Option

Tune ECU + Base clutch kit, Tune ECU + Pro clutch kit, Tune ECU only