Unfortunately I don’t have any specs ie dimensions of pipe or boxes but think the pipe diameter is either 2” or 2.25”. There’s a resonator and a back box but both are really small. Hope this helps
@@dobe762 its much quicker than the usual 1.0 1.3 Yaris but its not super fast like a Fiesta st or Corsa vxr. Best Way to find out is try and test drive one