I have not talked to DME since they did the stage 1 tune but I swear this car has gotten faster after 500 plus miles. Don't know if there is a learning feature which takes miles to become fully effective. Flat out full throttle performance seems quicker than right after the flash. Combined with my change over to Michelin non run flats this is a different car. A side benefit is when driven normally there has been no change in gas milage.
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