Slowboy has been remapping Subaru's for over 15 years. All maps are custom and tuned specifically to your car and mapping takes place using the road or track as we feel real world set up and performance trumps. We offer a range of Remapping options as well as PNP aftermarket ecu's like the Link G4 and ESL. If you would like help or advice choosing the best product for your Subaru please contact us. Remapping of the factory ECU starts at £350


Subaru factory ECU remaping from £350

Link G4 Remapping from £400

ESL remapping from £300

2.5 Secondery air pump delete £350

2.5 Secondery air pump delete and remap combo £575




Slowboy caters for all scheduled and un scheduled Subaru servicing for the Petrol and Diesel Impreza, Forester, Legacy and outback models. This includes all general repairs and MOT’s. We also offer bespoke service options for modified road and track cars

Full timing belt kits fitted from £440

A service with full inspection from £130

C Service from £420

D Service"Full" from £720

Genuine Exedy clutch kits fitted for 5 speed from £570

Genuine Exedy clutch kits fitted for 6 speed from £660 

Brake disk and pad replacment from £220

2.5 2006 onward head gasket replacements using Cosworth and ARP products from £1600



Since early 2000 Slowboy has been working with Subaru's tuning and building engines which now run world wide. We offer various Tuning upgrades for your Subaru from fast road to track. Below are examples of popular upgrades. 

Stage 1 WRX 2000-2007 270-280 BHP from £350

Stage 1 STI 2000-2007 310-320 BHP from £350

Stage 1.5 pack WRX 2000-2007 280-300 BHP from £869

Stage 1.5 pack STI 2000-2007 330-340 BHP from £869

Stage 1.5 pack STI 2008-2015 330-340 BHP from £899

SBR 2.1 Race blocks £Call

SBR 2.5 Race blocks £Call

  • Address

    28 Blue chalet Ind Park, Brands Hatch TN15 6BQ

  • Telephone

    07782 106604

    Click to Call

  • Hours
    Wednesday: 9:00 am - 5:30 pm
    Thursday - Saturday: 9:00 am - 5:00 pm