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RENNtech ECU Upgrade for 164 - GL 350
681 HP 736 LB-FT X290 - AMG GT63 ECU Upgrade
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R1 Performance Package for SL 65 up to MY 2006 (R230- 670 HP / 840 LB-FT) mercedes-benz-e-class-sedan--213---2017-present--e-43-amg-esr2435471 RENNtech ECU Upgrade for 164R1 Performance Package for 230 SL 65 AMG. Includes ECU Upgrade and High Efficiency Intercooler Pump. Up to 670HP and 840LB FT. Gains: +66HP & +102LB FT The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased, power, performance and throttle response across the entire powerband. R1 Performance Package includes: RENNtech ECU Upgrade RENNtech High Flow Intercooler Pump SL 65 (R230) Stock
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