switching from my 10 bolt 373 to 9in 411 calibration ???
04-28-2013, 12:54 AM
#1
switching from my 10 bolt 373 to 9in 411 calibration ??? Ok guys I need to know if I can drive my car before getting Speedo recalibrated? I am going to 411 from my 373.. I have a 02. A4 .. my buddy does have hp tuners but I need to get credits how many do I need to buy to correct my Speedo ? seems confusing does anyone have a file I can download
