Audi S7 Quarter Mile - APR Stage I vs Stock
APR's Stage I ECU (chip) Upgrade for the Audi S7 4.0 TFSI vs a stock Audi S7 in the quarter mile.
APR's Stage I ECU (chip) Upgrade for the Audi S7 4.0 TFSI vs a stock Audi S7 in the quarter mile.