GReddy Circuit Spec Center Pipe SpecificationsKnown worldwide for its exhausts the Japanese manufacturer GReddy presents the Circuit Spec center pipe for Toyota GR Yaris GXPA16 with G16E-GTS engine.This 70mm diameter tube removes the standard secondary catalyst and improves gas flow engine response and overall performance. As it removes an important part of the car's emission control system its use is prohibited on open roads.This part is made of polished SUS304 stainless steel for superior durability and is supplied with the necessary hardware for mounting.Caracteristics :Section : center pipeMaterial : stainless steelType : 1 piece diam. 70 mmNote : For even more performance GReddy recommends pairing this center pipe with the available Comfort Sport GTS exhaust system for GR Yaris.