If you still have the stock computer you should get the mass calibrated for 19# injectors. I would get the prom 77mm. jmo
Ray
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94 White Cobra #4502 M5 3.73
Full exhaust,tokiko springs,cobra rr hood
90 Wild Strawberry lx M5 2.73
Full exhaust, all else stock
95 Black Z28 A4 3.42
Full exhaust,CAI,ss rims
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