Speed X Eco Tuning for SLK Class (R172) 250 150 KW 204 HP 2011 2016 Chiptuning More Power & Less Consumption

Speed-X performance enhancement suitable for Vauxhall Astra (K) 1.6 CdTi with 110 HP Performance increase by up to 33 HP and 85 NM Eco tuning with up to -20% less consumption, thanks to increased torque. Easy DIY installation in minutes. Box contents: Speed-X performance enhancement - specific cable set for your vehicle - assembly instructions - mounting material