RENNtech ECU Upgrade | GL 450 AMG | X166 | 402HP/454LB-FT | 3.0L BiTurbo V6 | M276 lamborghini-urus--2018-present--4-0l-v8-fsi-twinturbo-esr5300432 G 55 AMG Modified Performance:

G 55 AMG Modified Performance:

The four-piece carbon fiber splitter is finished in a high gloss UV protectant clear coat

SLC 43 AMG Coupe (R172 | M276 | 3

Matte finish is available by special request and requires additional lead time

RENNtech ECU Upgrade | GL 450 AMG | X166 | 402HP/454LB-FT | 3.0L BiTurbo V6 | M276 lamborghini-urus--2018-present--4-0l-v8-fsi-twinturbo-esr5300432 G 55 AMG Modified Performance:RENNtech ECU Upgrade for 166 GL 450 BiTurbo 4 MATIC. Up to 402HP and 454LB FT. Gains: +40HP & +70LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! 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