During periods of engine build tours there will be a delay in delivery with tunes. Please allow 1-5 business days.

*PLEASE UPDATE YOUR EK1 DEVICE IN ORDER TO FLASH EKR FILES*

KJT VELOCITY X. The successor to Lightspeed, our hybrid turbo full ECU calibration for the 3.3T.

Lightspeed proved what a hybrid Stinger or G70 could do on a full ECU file. Velocity X is the next generation of that program, built from the ground up for KJT 800 class hybrid chargers using everything Lightspeed taught us. Where Lightspeed was a fixed calibration, Velocity X is a living one.

Why Velocity X replaces Lightspeed

Adaptive calibration. The ECU reads the fuel in the tank, from premium through E50, and corrects the mixture on its own within about 15 minutes of normal driving after a fill-up. Timing is managed the same way: the calibration advances while combustion stays clean, pulls back the instant it does not, and earns it back afterwards. One file, every pump, no retune between blends.

Hybrid turbo boost control. Boost targets, wastegate strategy and the airflow ceiling were engineered around the flow of a hybrid charger, so the ECU can deliver what the bigger turbos make and hold it to redline instead of tapering.

Faster spool. Wastegate behavior in the spool region was recalibrated so boost builds sooner at full pedal, where a hybrid is slowest to respond.

Timing strategy for hybrid airflow. Ignition advance under heavy load is held to a ceiling set specifically for hybrid cylinder pressures, so the car makes its power safely instead of chasing it.

Drive modes with purpose. Eco and Comfort run reduced boost for daily driving. Sport delivers the full calibration.

Full ECU drivability. Sharpened throttle response, drive-off limiter removed for clean launches, raised rev limit, speed limiter removed, optimized top end cam timing, shift pops on hard upshifts, start-up blip.

No fuel selection at checkout. One file covers premium through E50 and adapts to what you run.

Burbles: Moderate suits most exhaust setups. Mild is barely audible. Aggressive is for full race exhaust only.

Requirements: hybrid turbos, high-flow downpipes, head studs, upgraded fuel system for E50 and above. This is a big turbo calibration; do not run it on stock chargers.

After the flash: reset adaptive values once with the EK1, then leave it alone. Give it 15 minutes of normal driving after a fill-up before your first hard pull.

*Will need EK1 device to upload tunes to your ecu*

Be sure you have bootpatched under your OEM calibration and have the full OEM file and or Recovery file.

Disclaimer: By purchasing a tune from Kim Jong Tuned Performance, you acknowledge that custom ECU calibrations are provided as is and are intended for off-road or motorsports use only (where applicable by law). Kim Jong Tuned Performance is not responsible for any damage, drivability issues, or mechanical failure resulting from the installation or use of any tune. It is the customer's responsibility to ensure their vehicle is mechanically sound and properly maintained prior to tuning. All sales are final.