Eurodyne Québec

EURODYNE PERFORMANCE SOFTWARE FOR AUDI S4 B8 3.0TFSI 333HP It is designed for a mechanically stock vehicle, and with 91 octane fuel increases output from 333 hp to 430 hp, and torque from 325 to 370 ft/lbs. . Both B8 and B8.5 models are supported. On 93 octane fuel, output increases an additional 11 hp.... http://www.eurodyne.ca//stage-1-reflash-for-b8-s4-with-3-/

Let the magic happen MK6 GTI ECU / DSG stage 2 flash Output is increased to 288 hp and torque to 345 ft lbs.

Actual dyno results from eurodyne's 2015 S3. Best quarter mile run of 11.95 @ 114.1 on the stage 1.5 93 octane file, with no modifications besides the reflash.