Transform the driving experience of your Toyota GR Corolla with our ALL-NEW VAREX Valve-equipped exhaust system; engineered to take your GR to the next level. Through our extensive development and testing process, we've been able to strike the perfect balance between sound and performance. Creating something tailormade for the Corolla GR. The system uses our cutting-edge patented VAREX valve technology, allowing you to switch from Street to Race mode using the remote control or optional upgrade of the SmartBox system, which offers smartphone app control and delivers unrivalled customisation 3" cat back system in brushed 304 stainless steelTwo-centre hot dog resonators with an anti-resonance chamberVarex rear muffler with twin 3 outletsPolished 4" angle cut tips on the outsidePolished 3.5" angle cut tips in the centreFactory exhaust valve motor mountWill not fit the automatic transmission