Home / Make/Model/Year/Engine/Fuel / Audi / A6 / C5 (1998-2004) / 2.7T / Quattro Quattro Sale! Gift card $10000 out of 5 $1,000.00 $800.00 Sale! Gift card $5000 out of 5 $500.00 $425.00 Sale! Gift card $2000 out of 5 $200.00 $180.00 GIAC Stage 3 K04 software upgrade0 out of 5 $962.00 GIAC Stage 3 minus K04 software upgrade0 out of 5 $962.00 GIAC Stage 1 Plus Audi A6 C5 ECU upgrade 2.7T0 out of 5 $600.00
