TUNING IN ROTHERHAM

HI GUYS
DOES ANYONE HAVE ANY DETAILS OF A TUNING GARAGE IN THE ROTHERHAM/SHEFFIELD AREA TO TAKE MY GTI CABBY TO HAS ITS HAD A SERVICE AND IS STILL RUNING A BIT LUMPY NOTHING MAJOR.JUST COULD DO WITH A TUNE UP
CHEERS GUYS
RUSS/FONZY