Home / Make/Model/Year/Engine/Fuel / Audi / A6 / C5 (1998-2004) / 2.7T / Quattro Quattro Sale! Gift card for $950 instead of $10000 out of 5 $1,000.00 $950.00 Sale! Gift card for $475 instead of $5000 out of 5 $500.00 $475.00 Sale! Gift card for $195 instead of $2000 out of 5 $200.00 $195.00 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
