McLaren Artura (2025+) ECU Tune — Power Figures

Factory output for the McLaren Artura (2025+) is 690 hp and 531 lb-ft (crank).Stock + RK-Tunes Tune raises it to 800 hp and 666 lb-ft, a gain of 110 hp and 135 lb-ft.High Flow Downpipe / Exhaust + RK-Tunes Tune raises it to 820 hp and 686 lb-ft, a gain of 130 hp and 155 lb-ft.This tune is fulfilled by mail-in: you remove the ECU, ship it to us, and we flash it on the bench and return it.Figures are estimates at the crank; real-world results vary by vehicle condition, fuel and conditions.