The Corvette LS3 responds to boost and tuning the factory ECU was never built to deliver.
The Chevrolet Corvette LS3 and its platform-mates share a factory ECU that prioritizes emissions and averaged-out reliability over what the engine can actually do. The Tuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus / Rebel LS connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus / Rebel LS full standalone engine control. No cutting, no splicing, fully reversible.
Advantages
- Boost that builds and holds exactly where you dial it in, not where the factory knock strategy allows
- Timing that advances where it should instead of pulling at the first sign of heat
- Power delivery that's linear and predictable through the entire boost curve
- A tune built around your exact modifications, not averaged factory parameters
- Confidence that what happened on the dyno is what happens on the track
Features
- Plug-and-play fitment for 2006-2013 Chevrolet Corvette LS3, automatic transmission
- Compatible with Haltech Nexus R3, R5, S3 and Rebel LS ECUs
- No cutting or splicing of factory wiring
- OEM-quality connectors, USA-built by Boomslang Fabrication
- Fully reversible, factory harness preserved
- For competition and off-road use
The Details
Built specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the car can return to stock at any time. The Haltech Nexus / Rebel LS takes full engine control once installed, giving your tuner a clean vehicle-specific foundation to build a proper map from.
Kit Includes
- 1x Boomslang PNP wiring harness for 2006-2013 Chevrolet Corvette LS3
- Haltech Nexus or Rebel LS ECU sold separately
Fitment
2006-2013 Chevrolet Corvette LS3 / 2006-2013 Chevrolet Corvette LS2, Automatic Transmission.