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I think they do. I have Dinan stage 1 and am happy with the overall package. I am guessing since you have other Dinan mods you wouldn't mind going that way. I have been able to feel more power from the "butt" dyno, but I still have not dynoed after the software upgrade. Goodluck
Phil
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2007 M5-SMG Silver Gray/Silverstone/Olive Ash wood
Sport Seats, Comfort Access, Heads-Up display
HRE 891Rs - 20x9 - 20x10 - brushed aluminum, Supersprint Sport Exhaust + X Pipe, Dinan Software, Evosport Pulley, BMC filters, RPI Scoops, CFs removed,Hartge Front Spoiler and Rear Diffuser, carbon fiber side grilles, kidney grilles & roundels, PIAA angel eye upgrade.
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