RENNtech | ECU Upgrade | McLaren 650S porsche-911--997-2---2009-2013--gt3-esr2014754 RENNtech Digital Lowering Module for

RENNtech Digital Lowering Module for Rolls Royce

SLK (R 171) 350 V6 [2 Filters Required]

625 HP @ 5000 RPM

RENNtech performance software unleashes your McLaren's true potential

The ECU Plus Upgrade brings the C292 - GLE 43 AMG Coupe up to 416 HP and 460 LB-FT

RENNtech | ECU Upgrade | McLaren 650S porsche-911--997-2---2009-2013--gt3-esr2014754 RENNtech Digital Lowering Module forRENNtech ECU Upgrade for the McLaren 650S. Up to 681HP and 544TQ. Gains: +49 HP & +44LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning