If you like flashy lights in your car then this Sequential Shift Light system from Digital Race Electronics is for you, Really easy installation with only 3 wires to connect, 12v +, a negative and one wire to the ecu, when i removed this from my car i left part of the ecu wire attached to make it even easier for the new owner, full spec here, http://www.caraddiction.co.uk/sld5.htm Loooking for £45 inc p+p
ps, Also has the Original operating & installation instructions.
Julian.