APR Presents Stage II ECU Upgrade for the B8 A4/A5 & Q7 2.0 TFSI
July 21st, 2010
APR is soon to release 2 All New B8 A4 Full Exhaust RSC Systems and 2 RSC Catbacks as well as a Downpipe for the 2.0T as found in the B8 A4. The new RSC exhaust systems are another new application of Reflective Sound Cancellation Technology which offers a straight through exhaust design with no drone. By utilizing a straight though design, APR is able to maximize power gains when coupled with APR’s Stage 2 ECU Upgrade without uncomfortable levels of exhaust drone while cruising.
During our development we discovered the exhaust systems flowed so well modifications to the software …