Scorpion Toyota GR Yaris High Flow Sports Cat & OPF DeleteScorpion Exhausts high flow sports cat and OPF Delete for the 2020 onwards Toyota GR Yaris completely removes both the stock catalytic converter and the factory petrol particulate filter, allowing for better exhaust flow. The removal of the factory OPF and downpipe increases the tuning potential for the GR Yaris and unlocks a much louder exhaust tone. The Scorpion sports cat is higher flowing than the OEM catalytic converter whilst retaining the