R2 Performance Package | W220 | S 55K | 588 HP / 616 LB-FT | 5.5L Supercharged V8 | M113 mercedes-benz-sl-class--231---2012-2016--sl-65-amg-biturbo-esr8588212 Wheel Specifications:

Wheel Specifications:

ECU+ Upgrade | Up to 783 HP / 798 LB-FT | Gains: +102 HP & +62 LB-FT

SL 63 AMG (R231 | FL MY2015+ | RWD | M157 | 5

552 wtq @ 4

R2 Performance Package | W220 | S 55K | 588 HP / 616 LB-FT | 5.5L Supercharged V8 | M113 mercedes-benz-sl-class--231---2012-2016--sl-65-amg-biturbo-esr8588212 Wheel Specifications:R2 Performance Package for 220 S 55 AMG Kompressor. Includes ECU Upgrade and Crankshaft Pulley. Up to 588HP and 616 LB FT. Gains: +95HP & +98 LB FT Performance package R2 takes performance to the next level and is a step up from our R1 tuning package. The R2 performance package includes the same components found in our R1 package with the addition of a full carbon fiber airbox, RENNtech stainless steel exhaust headers, 82 mm throttle body upgrade and