RENNtech Intercooler Pump Upgrade Kit for M157 - 63 AMG BiTurbo Series mercedes-benz-gls-class--167---2020-present--gls-63-amg-esr1798052 Our proprietary Bentley ECU upgrade

Our proprietary Bentley ECU upgrade offers rock solid performance from RENNtech

This bold upgrade features an aggressive

Up to 670HP and 840 LB-FT

Deducting the figure from 7

Our RENNtech Downpipe Kit for installation of RENNtech Long Tube Headers are available with 200 Cell Sport Catalytic Converters

RENNtech Intercooler Pump Upgrade Kit for M157 - 63 AMG BiTurbo Series mercedes-benz-gls-class--167---2020-present--gls-63-amg-esr1798052 Our proprietary Bentley ECU upgradeRENNtech Full Intercooler Upgrade Kit for M157 63 AMG BiTurbo Series. Our latest second generation intercooler pump out performs any other unit on the market; flowing over twice as much coolant as the problematic OEM pump and significantly more than its predecessor. Testing showed our Intercooler pump flows an impressive 8. 7 G. P. M. @ 11. 6 P. S. I. compared to the OEM pumps 3. 00 G. P. M. flow rate. This increase in flow dramatically removes heat