RENNtech ECU Upgrade S 600 (W221- 625 HP / 745 LB-FT) porsche-panamera--970---2011-2015--panamera-4-esr6932067 Makes it easy to video

Makes it easy to video chat with family and friends

Blow Off Valves: Designed as a quick bolt-in solution which are intended to release excessive pressure in high boost occasions

Up to 549HP and 495 LB-FT

standout aerodynamic package

R1 Performance Package for 221 - S 550

RENNtech ECU Upgrade S 600 (W221- 625 HP / 745 LB-FT) porsche-panamera--970---2011-2015--panamera-4-esr6932067 Makes it easy to videoRENNtech ECU Upgrade for 221 S 600. Up to 625 HP and 745 LB FT. Gains: +115 HP & +133 LB FT. RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning