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McLaren 600LT ECU Tune


Achieve maximum power gains (~80+ whp & 80 ft-lbs) without sacrificing drivability or reliability. Maps are available for completely stock cars, or for cars equipped with Sport Cats, Catbypass Pipes, X-Pipe Exhausts, upgraded turbos, and more.            

There is a copious amount of power waiting to be had that McLaren has hidden from you. The 600LT responds incredibly well to a tune and rewards you by taking the performance to a whole new level. Our tune brings the turbos to life with a vengeance, the car reaches boost immediately and pulls hard and consistently throughout the power band. The response and power delivery is outstanding, this is a true driving machine.

Once we receive your ECU, our tuner bench flashes it with the upgraded ECU map and we return it to you for easy re-installation; no modifications to the vehicle are necessary.    



    Stage 1 (Stock Hardware)

    • +100WHP and +105 ft-lbs WTQ

    Stage 2 (with RYFT Downpipes)

    • +135 WHP and +145 ft-lbs WTQ (on 91 Octane)


    • This is not a physical/shipped product.  This upgrade requires you to send us your ECU for re-programming. You will be emailed a download link with detailed instructions after adding this to your cart and checking out.
    • You must fill out and include a copy of the ECU Information form along with your ECU upon sending it in. Please contact us if you need to send the form in any other manner.
    • 1K Motorsports saves your stock/factory ECU settings so that you can revert your vehicle back to stock settings at any time.