With 224kW on tap, the Ford Focus RS is already one of the world's most powerful front-drive hot hatches, although that hasn't stopped tuning specialist Graham Goode Racing Ltd (GGR) from adding a few extra ponies.

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The GGR RS370FR Focus RS upgrade is a fully warranted, independently validated high performance upgrade package for the Mk2 Ford Focus RS, pushing peak power to almost 275kW.

Surprisingly, achieving this enormous power figure required no internal modifications to the 2.5-litre, five cylinder turbocharged engine.

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The GGR RS370FR package includes a carbon fibre cold air induction package, larger intercooler with alloy air diverter plates, larger injectors, silicone boost hoses, larger exhaust turbo front pipe and catalyst section and an ECU remap using Superchip’s Bluefin and firmware upgrade.

The peak power figure of 275kW at 6383rpm is a 22 per cent increase while peak torque jumps from 410Nm to 460Nm.

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“In our opinion, this is the optimum power and torque output for the car,” says GGR’s Technical Manager Alastair Mayne, “because even with the sophisticated Revoknuckle front suspension and Quaife ATB differential, gaining sufficient traction can be a problem. Bearing that in mind, we’ve made a conscious policy decision to limit the engine’s torque, although there’s certainly more to come from the motor if we wanted it,” Mayne continues, “because the RS370FR package is running relatively low levels of boost.”
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The complete GGR RS370FR performance upgrade is priced at £3,750.00 or A$6,750.00 and is covered by Graham Goode Racing’s own comprehensive 12 month / 30,000 mile breakdown warranty.