RENNtech R1 Pkg | C218 | CLS63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-sl-class--230---2007-2011--sl-65-amg-esr6280537 The Hart like a Hammer

The Hart like a Hammer Capsule is limited edition- once sold out

AMG GT S MY2015-2017 Pre-FaceLift

Rated by RENNtech:              670 HP @ 5

they also act like a cheese grater on the brake pads which wear them at an accelerated rate and create grooves in the pads which in turn creates grooves in the rotors

RENNtech SLR package 1 contains our proprietary ECU Upgrade

RENNtech R1 Pkg | C218 | CLS63 AMG | 696 HP / 801 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-sl-class--230---2007-2011--sl-65-amg-esr6280537 The Hart like a HammerR1 includes: ECU Upgrade, Diverter Valve and Air Filters Gains: +146HP; +257LB FT The RENNtech R1 Performance Package is the perfect entry level performance upgrade for the E 63 AMG. With the combination of the RENNtech ECU Upgrade and the latest, 3rd generation Diverter Valve RENNtech is able to add up to 146 HP and 257 LB FT to the 5. 5L V8 BiTurbo engine (compared to RENNtech rated stock performance). The addition of the upgraded diverter valve