R1 Performance Package for S 550 (W221- 413 HP / 422 LB-FT) mercedes-benz-c-class--217---2014-2020--s63-amg-esr5011825 The RENNtech V3 Digital Lowering

The RENNtech V3 Digital Lowering Module (DLM) is designed to work with for the Rolls Royce Suspensions

The RENNtech Sport Muffler System for the W205 - C 63 AMG Coupe is developed without the Electronic Valve System option

FEA AND TUV COMPLIANT

624 LB-FT @ 4

R1 Performance Package for S 550 (W221- 413 HP / 422 LB-FT) mercedes-benz-c-class--217---2014-2020--s63-amg-esr5011825 The RENNtech V3 Digital LoweringR1 Performance Package for 221 S 550. Includes ECU Upgrade and Stainless Steel Header. Up to 413HP and 422 LB FT. Gains: +31HP & +31 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