R2 | Performance Package | SLS AMG GT | C197 | 620HP/522LB-FT mercedes-benz-c-class--204-sedan---2008-2014--c-320-cdi-esr4861286 though our proprietary tuning software

though our proprietary tuning software and approach for BMW is completely unique and independent from our Mercedes tuning program

CLK COUPE' (C 209) 63 AMG Black Series [2 Filters Required] (HP: 507 | Year: 07 > 09)

017 HP +336 HP 873 LB-FT +137 LB-FT

A perfect fusion of lightweight strength

The RENNtech Stage I Turbo Upgrade comes with an RENNtech ECU Upgrade

R2 | Performance Package | SLS AMG GT | C197 | 620HP/522LB-FT mercedes-benz-c-class--204-sedan---2008-2014--c-320-cdi-esr4861286 though our proprietary tuning softwareR2 Performance Package for 197 SLS AMG GT. Includes ECU Upgrade, Long Tube Header and Sound and Performance Pipe. Up to 620HP and 522LB FT. Gains: +37HP & +43LB FT Our SLS performance package 2 features our proprietary ECU tuning software and long tube headers as found in package 1 with the addition of our sound and performance x pipe exhaust. This combination unleashs the beast lurking underneath the refined exterior of your SLS. Our long tube