Seat Leon Tuning Box Seat Leon 1.6 TDI 115PS - Pro Boost Diesel Turbo Tuning Module Seat Leon 1.4 TSI Tuning Box The additional torque will be of great assistance if you tow a trailer or caravan. Increased Power - Eliminate turbo lag and enjoy smoother gear changes and boosted power throughout the entire rev range. More Torque - Increased midrange torque... Programmed with engine specific maps, these digital microprocessor units are manufactured by Bluespark Automotive in the UK under their CR Tech brand. 31.00 BHP Power gain with Stage 1 ECU Remap on SEAT Leon (MK3) 2012 > FR 1.4 TSI (123 bhp We are both the manufacturer and retailer. The units are not comparable with low quality 'resistor boxes' or other generic tuning kits available on eBay; these units rival those costing £300+ but without the added costs usually associated with reselling 3rd party boxes. Improve Power & Torque, Warranty Friendly, Bluespark SENT Plug & Play Pro Petrol tuning box for Seat-Leon 1498cc 150bhp, 110kW, 250Nm The Bluespark petrol tuning module is one of our best selling tuning boxes. As a by-product of this, your turbo lag will be greatly reduced making the car much nicer to drive. Once fitted, our tuning modules aim to give you more usable power and much more available torque.