Greddy Evolution GT Cat Back Exhaust Subaru WRX / STI 2011-2014 Sedan vendor_Bilstein Unlike conventional designs that favor

Unlike conventional designs that favor one side

The tapered conical design with a performance filter top maximizes airflow

Part #: SU073H

once boost pressure is raised

Greddy Evolution GT Cat Back Exhaust Subaru WRX / STI 2011-2014 Sedan vendor_Bilstein Unlike conventional designs that favorEvolution GT 304 SS Cat Back Exhaust System (10168300) by GReddy. Exhaust Pipe Material: 304 SS. Exhaust Type: Cat Back. Specifications: Number of pieces: 3 pcs Piping: 76 mm (3") Tip(s): 89 mm (3. 5") Gasket(s): 3" oval (qty: 2x included) replacement Resonator: yes Dyno Chart Features: Retains unique Evolution off set tip styling, while improving internal construction Hand TIG weld 304 Stainless Steel Effective straight through muffler design Note: