RENNtech Intercooler Pump Upgrade Kit for M157 - 63 AMG BiTurbo Series mercedes-benz-gls-class--167---2020-present--gls-63-amg-esr1798052 Gains: +5HP & +5LB-FT

Gains: +5HP & +5LB-FT

Rated by RENNtech:                474 HP @ 5

Up to 670HP and 840 LB-FT

Our proprietary Bentley ECU upgrade offers rock solid performance from RENNtech

This can not be realized with software and only truly be accomplished by an internal mechanical upgrade to the transmission hardware

RENNtech Intercooler Pump Upgrade Kit for M157 - 63 AMG BiTurbo Series mercedes-benz-gls-class--167---2020-present--gls-63-amg-esr1798052 Gains: +5HP & +5LB-FTRENNtech 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