Quick view Compare APR APR ECU UPGRADE - 2.9T EA839 V6 (B9) (RS4/RS5) MSRP: Was: Now: $899.95 - $1,799.95
Quick view Compare APR APR ECU UPGRADE - 2.9T EA839 V6 (C8) (S6/S7) MSRP: Was: Now: $899.95 - $1,799.95
Quick view Compare APR APR ECU UPGRADE - 3.0T EA839 V6 (B9) (S4/S5/SQ5) MSRP: Was: Now: $899.95 - $1,799.95
Quick view Compare APR APR ECU UPGRADE - 3.0T EA839 V6 (C8) (A6/A7/A6 ALLROAD) MSRP: Was: Now: $899.95 - $1,799.95
Quick view Compare APR APR ECU UPGRADE - 4.0T EA825 V8 (4M) (RS Q8) MSRP: Was: Now: $999.95 - $3,999.95
Quick view Compare APR APR ECU UPGRADE - 4.0T EA825 V8 (4M) (SQ7/SQ8) MSRP: Was: Now: $999.95 - $3,999.95
Quick view Compare Choose Options APR APR ECU UPGRADE - 4.0T EA825 V8 (C8) (RS6/RS7) MSRP: Was: Now: $999.95 - $3,999.95