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It is vital to understand that hard/spirited driving creates high temperatures around the brakes
One big advantage is that the control unit recognizes the
RENNtech ECU HHT (HandHeldTuner) for the 215 - CL 600
Up to 550HP and 575LB-FT
Since both companies are located in South Florida
R1 Performance Package for CLS 550 (C219- 422 HP / 421 LB-FT) porsche-718-boxster--982---2016-present--gts-2-3-esr9797142 It is vital to understandR1 Performance Package for 219 CLS 550. Includes ECU Upgrade and Stainless Steel Header. Up to 420HP and 421 LB FT. The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for the 550 V8 for a combination that provides increased performance, sound and throttle response across the vehicles entire powerband. R1 performance package includes: RENNtech ECU
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