RENNtech ECU+ Upgrade | C217 | S 550 Coupé | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2015-2017 land-rover-range-rover-sport-svr--l494-lw---2014-2021--esr2415700 598 awtq @ 3

598 awtq @ 3

the AMG GT 55/SL 55 AMG is delivered with 489 HP and 582 TQ

our rear diffuser is manufactured using the high quality prepreg carbon fiber and is a quick and easy install that requires no modifications to the SLS’s rear bumper or underbody

The maximum power number reached with the RENNtech ECU Plus Upgrade for the W213 - E43 AMG Sedan is 416 HP and 471 LB-FT

CLASS R (W 251) 280 [2 Filters Required] (HP: 231 | Year: 07 > 09)

RENNtech ECU+ Upgrade | C217 | S 550 Coupé | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2015-2017 land-rover-range-rover-sport-svr--l494-lw---2014-2021--esr2415700 598 awtq @ 3ECU+ Upgrade 540HP 705LB FT Gains: +66HP +139LB FT RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be