Arizona Scion FRS ECU Flash for Better Driveability VRTuned.com February 8, 2016 Product Info, Tuning Tech The Scion FRS is one of our more popular ECU flashes as it really changes how the FA20 2.0L engine drives. The stock car is missing a lot of performance down low and even has a torque dip around 3200rpm. The VR Tuned ECU Flash for the FRS or BRZ really brings the FA20 to ...
