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up to an astonishing 392 HP and 463 lb/ft at the crank
212 - E 63 AMG BiTurbo 4-MATIC (MY2014-2016 FaceLift)
631 awtq @ 3
Range Rover (L322/LM) 2009 - 2012
as wells as improved aesthetics and an aggressive vehicle stance
RENNtech ECU Upgrade for SLK 350 | R171 | 290 HP / 278 LB-FT | MY2005-2011 porsche-911--991-1---2011-2016--carrera-s-esr1628754 up to an astonishing 392RENNtech ECU Upgrade for R171 SLK 350. Up to 290HP and 278LB FT. Gains: +22HP & 20LB 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