Haltech NEXUS Rebel LS Gen 4 DBW PNP Complete
When you purchase from Kugan Tuning, you also receive:
• Remote ECU flashing assistance
• Basemap selection guidance
• Startup and sensor verification
• Professional tuning support
This ensures your car starts, idles, and runs correctly the first time — helping you avoid costly mistakes and wasted dyno time.
To show you how great of a ECU this is compared to the stock GM Gen 4 E38 ECU.
I tuned this car on the stock computer and made 405hp.
The customer could not change the tune or modify any settings because he did not have Hptuner's flasher.
I was able to produce 408hp all motor on the stock LS3 that comes in the C6 Corvette.
and
450hp on a small shot of nitrous all controlled by the Haltech Rebel.
The exact dyno tune file that made 410hp on this full bolt on C6 Corvette