Pay in 4 interest-free payments of $124.38 Learn more
Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Confirm If Your Car Is Equipped with Factory Exhaust Valves*
Keeps it Hot Works great for hot beverages
523 LB-FT @ 5200 RPM
RENNtech performance software unleashes your Porsche's true potential
RENNtech ECU Upgrade for SLK 350 | R171 | 290 HP / 278 LB-FT | MY2005-2011 porsche-911--991-1---2011-2016--carrera-s-esr1628754 Confirm If Your Car IsRENNtech ECU Upgrade for R171 SLK 350. Up to 290HP and 278LB FT. Gains: +22HP & 20LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning
US$ 274.50
US$ 20.00
US$ 170.00
US$ 30.95
US$ 44.00
US$ 130.00