GReddy Circuit Spec Center Pipe SpecificationsKnown worldwide for its exhausts the Japanese manufacturer GReddy presents the Circuit Spec center pipe for Toyota GR86 ZN8 and Subaru BRZ ZD8 with FA24 engine.This 70mm diameter tube fits between the secondary catalytic converter and the rear muffler and improves gas flow engine response and overall performance. Noisier than the stock center section (+6 dB with the standard muffler) 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 GR86 and BRZ.