Subaru BRZ ECU Tuning for Catless Headers VRTuned.com September 3, 2015 Product Info, Tuning Tech The Subaru BRZ and its cousin the Scion FRS are 2 vehicles that really wake up from tuning. The FA20 2.0L naturally aspirated boxxer engine has some sluggishness in the low rpm's along with a torque dip....
