Borla 2020 Toyota Supra GR 3.0L I6 3in ATAK Catback Exhaust - Carbon Fiber TipsBorla 2020 Toyota Supra GR 3. 0L I6 3in ATAK Catback Exhaust Carbon Fiber Tips The Borla(r) ATAK(r) system 140826CFBA, is specifically tuned for performance and sound on the Supra's 3. 0L twin scroll turbocharged inline six engine. Our system is designed to be drone free so you can get the head turning sound of the ATAK(r) and still enjoy a comfortable cabin during cruise. This Cat Back(tm) features a 3. 5" pipe diameter that splits into dual 3" and