We're excited to announce our Engine Control Unit (ECU) Upgrades are now available for the Audi RS5 (B9) 2.9 TFSI engine with the Bosch MG1 ECU! Expect massive gains with 488-550 HP and 537-606 FT-LBS of torque on tap, depending on octane, from this simple software upgrade. Details: http://goapr.io/29b9 | APR

36K views · 260 reactions | More RS5 development behind the scenes. Here Tim goes over the roughly 40 sensors we’ve added to the engine’s intake, exhaust and cooling system which will aid in our ecu and hardware development. These sensors will capture data we can’t get from the ecu due to a lack of factory sensors. Stay tuned! #goapr #rs5 | APR | Facebook