Thundermax ECM W/Integral Auto Tune System EFI Tuner Harley M8 RDRS 17-Up
NOTE: Only for models with RDRS Traction Control (non RDRS see P/N ZP309-588)
ThunderMax PN#309-588 Applications
ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary AutoTune technology with wide-band oxygen sensors to deliver unmatched performance and rideability. ThunderMax comes 100% assembled, ready to install with no wire-cutting or splicing required. Simply replace the factory ECM and oxygen sensors, load a map, and enjoy your new ride!
- Easy to Install & Simple to Use
- Increased Engine Performance & Motorcycle Rideability
- Cooler, Smoother Running Engine
- Adjustable Idle Speed & Rev Limit Control
- No Dyno Required - Automatically Tunes for Riding Style & Riding Conditions
- Never Outgrow It - Easily Accomodates Bike Changes (Pipes, Cams, and More)
- 100% Engineered & Made in the USA
- 3-Year Factory Limited Warranty
ThunderMax System Includes:
- ThunderMax Performance Engine Control Module (ECM)
- Two (2) Wide-Band Bosch 5-Wire Oxygen Sensors (18mm) with AutoTune Connection Harness*
- USB Communication Cable
- (TMax software available on Thundermax website)
- ThunderMax Quick Start Easy Install and Printable Comprehensive User’s Manual
NOTE: Only for models with RDRS Traction Control (non RDRS see P/N ZP309-588)
ThunderMax PN#309-588 Applications
ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary AutoTune technology with wide-band oxygen sensors to deliver unmatched performance and rideability. ThunderMax comes 100% assembled, ready to install with no wire-cutting or splicing required. Simply replace the factory ECM and oxygen sensors, load a map, and enjoy your new ride!
- Easy to Install & Simple to Use
- Increased Engine Performance & Motorcycle Rideability
- Cooler, Smoother Running Engine
- Adjustable Idle Speed & Rev Limit Control
- No Dyno Required - Automatically Tunes for Riding Style & Riding Conditions
- Never Outgrow It - Easily Accomodates Bike Changes (Pipes, Cams, and More)
- 100% Engineered & Made in the USA
- 3-Year Factory Limited Warranty
ThunderMax System Includes:
- ThunderMax Performance Engine Control Module (ECM)
- Two (2) Wide-Band Bosch 5-Wire Oxygen Sensors (18mm) with AutoTune Connection Harness*
- USB Communication Cable
- (TMax software available on Thundermax website)
- ThunderMax Quick Start Easy Install and Printable Comprehensive User’s Manual
| Brand | Zipper's Performance |
|---|---|
| Finish | NA |
| Manufacturer Part No. | 309-588-RDRS |
| Fitment |
|
| Additional Notes | cc-r |
| Ships Within: | 24 Hrs |
- 2017-2021 Harley-Davidson Touring Milwaukee-Eight Models
- Will only work with the Harley RDRS
Manufacturer's Warranty
cc-r
