RENNtech R2 Pkg | R231 | SL 63 AMG | 716 HP / 826 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-clk-class--209---2004-2010--clk63-amg-black-series-esr3410734 Continental GT Speed (MY2021+)

Continental GT Speed (MY2021+)

W463 - G550 BiTurbo

Matching the RENNtech CPC tune to third party ECU maps requires additional steps

585awtq @ 3

The pipes have to be returned in good condition

RENNtech R2 Pkg | R231 | SL 63 AMG | 716 HP / 826 LB-FT | M157 | 5.5L V8 BiTurbo mercedes-benz-clk-class--209---2004-2010--clk63-amg-black-series-esr3410734 Continental GT Speed (MY2021+)R2 includes: ECU Upgrade, Diverter Valve, Air Filters, Sport Mufflers Gains: +153HP; +232LB FT The RENNtech R2 Performance Package is the evolution stage of the R1 Pkg. The R2 not only brings additional power, but also gives the car a deeper sport sound that keeps with character of a luxury performance vehicle. Included in the R2 Package are all upgrades from the R1 Pkg, ECU Upgrade, Diverter Valve and Air Filters, and Stainless Steel Sport Mufflers.