PD engine only tuning box gives about 25 to 30bhp
was over £100 new (not cheap ones off ebay or home made)
FULLY ADJUSTABLE with a turn of a screw min to max
£55ono
TEL 07749121431
made by Autotechnikk Saretz ASA (tuning kit)
info here http://www.autotechnik-saretz.de/