R1 Performance Package for SL 600 MY 2007- (R230- 635 HP / 780 LB-FT) mclaren-slr-sls-class--197---2011-2014--amg-esr2440417 Gains: +40HP & +70 LB-FT

Gains: +40HP & +70 LB-FT

Our intercooler pump upgrade includes model specific wiring harness

Dyno testing was carried out by RENNtech in the USA who tested a GTR in stock form and also with their own ECU tune back to back comparing the OEM airboxes with our intake system

RENNtech Stage I Turbo Upgrade Package for M133 - 45 AMG Turbo Series

The RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band

R1 Performance Package for SL 600 MY 2007- (R230- 635 HP / 780 LB-FT) mclaren-slr-sls-class--197---2011-2014--amg-esr2440417 Gains: +40HP & +70 LB-FTR1 Performance Package for 230 SL 600. Includes ECU Upgrade and High Efficiency Intercooler Pump. Up to 635HP and 780LB FT. Gains: +125HP & +168LB FT The R1 performance package for the Mercedes 600 V12 engines includes our proprietary ECU upgrade, in addition to our higher efficiency intercooler pump. This combination that provides huge increases horsepower, torque and throttle response across the vehicles entire powerband while still maintaining