The 'RS340' engine tuning package for the Mk2 Focus RS consists only of an ECU upgrade with firmware modifications and software reprogramming.
According to GGR, the kit adds an extra 40-horsepower and 73 lb-ft boosting total output to 340bhp at 5,600 rpm and 401 lb-ft or 545Nm of maximum torque at 3,100 rpm. GGR did not release any acceleration figures for the tuned Focus RS.
The ECU upgrade is priced at £435.00 including VAT and is covered by a 12 month / 30,000 mile breakdown warranty.