R1 | Performance Package | SLS AMG GT | C197 | 604HP/515LB-FT porsche-panamera--971---2016-2024--4s-e-hybrid-esr4381851 RENNtech performance eight (8) piston

RENNtech performance eight (8) piston front brake calipers

Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles

CLASS S LONG (W 221) 500 Blue Efficiency 4-matic [2 Filters Required] (HP: 435 | Year: 11 > )

A CARB Executive Order was granted to the RENNtech HHT based on emission test results in the modified configuration

R1 | Performance Package | SLS AMG GT | C197 | 604HP/515LB-FT porsche-panamera--971---2016-2024--4s-e-hybrid-esr4381851 RENNtech performance eight (8) pistonR1 Performance Package for 197 SLS AMG GT. Includes ECU Upgrade and Long Tube Header. Up to 604HP and 515LB FT Gains: +21HP & +36LB FT Our SLS performance package 1 features our proprietary ECU tuning software combined with our long tube headers unbelivable sound with performace to match. Our long tube headers are designed and manufactured in house and feature high quality, tri metal, 200 cell sport catalytic cells which are ceramic coated to reduce