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try either David at API or Alan at Engine Tuner. both offer a drive in drive out package. both post on here and offer an excellent service. depends also where in the country you are. would also help if you told us the year and model of your car and if you have any other modifications.
Yeah tell me about it ! Not the cheapest but probably the best look in this months japanese performance page 27 first paragraph you get what you pay for
Give alan a ring to go over your options, price wise i think most of the better tuners are about the same. I`ve only ever used engintuner so can only comment on them. Api scoobyclinic, lateral performance all have good reputations