R2 Performance Package for CLK 63 Black Series (C209- 571 HP / 533 LB-FT) porsche-panamera--976---2024-present--turbo-e-hybrid-esr1657753 This is especially the case

This is especially the case after removing the point-welded block in the link pipe that prevents bypassing the muffler

7L V8 BiTurbo) Stock Performance (at crank):

CLASS S (W 221) 351 V6 4-Matic Blue Efficiency (HP: 306 | Year: 11 > )

200 RPM Crank Performance Numbers are calculated with a 17% Drivetrain loss

R2 Performance Package for CLK 63 Black Series (C209- 571 HP / 533 LB-FT) porsche-panamera--976---2024-present--turbo-e-hybrid-esr1657753 This is especially the caseR2 Performance Package for 209 CLK 63 AMG Black Series. Includes ECU Upgrade and Carbon Fibre Air Box. Up to 571HP and 533LB FT. RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless steel headers for a gain of +53 HP and +68 LB FT over stock. Performance Package 2 Includes: RENNtech ECU Upgrade Full Carbon Fiber Airbox 82mm Throttle Body Kit