RENNtech ECU+ Upgrade | W213 | E43 AMG | Sedan | 416 HP / 471 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2018 audi-rs4--8k---2012-2015--4-2l-v8-fsi-esr2470407 The rear spoiler offers a

The rear spoiler offers a smooth transition of airflow over the trunk lid of the vehicle to ambient air and produces greater down force across the rear of the vehicle at speed

GL550 (X166 | MY2013-16 | 4MATIC | M278 | 4

582 LB-FT @ 5

SL (R230) 500 V8 [2 Filters Required] (HP: 306 | Year: 01 > 06)

CLASS S LONG (V 220) 55 AMG V8 [2 Filters Required] (HP: 360 | Year: 99 > 02)

RENNtech ECU+ Upgrade | W213 | E43 AMG | Sedan | 416 HP / 471 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2018 audi-rs4--8k---2012-2015--4-2l-v8-fsi-esr2470407 The rear spoiler offers aThe RENNtech ECU Plus Upgrade brings the E43 AMG Sedan up to 416 HP and 471 LB FT Gains: +14 HP and +57 LB 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.