I have my my throttle tweaked via EcuTek and it's a 7AT. No need for the sprint booster. You can also get the extra bluetooth dongle and run the EcuTek app (assuming you have iPhone) and adjust the throttle yourself.
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'13 Audi RS5 Misano w/mods-The Red Mist
'13 G37 IPL-SOLD
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