Cobb 15-20 Subaru WRX CVT / 14-18 FXT GESI Catted 3in. SS Resonated J-Pipe

This product has been discontinued. We recommend the Grimmspeed J-Pipe as an alternative. The COBB Tuning GESI Catted 3" J-Pipe begins with a CAD-designed 4" cast bellmouth that smoothly blends air exiting the turbocharger's turbine housing straight into the GESI High-flow Catalytic Converter. Minimizing turbulence when exhaust gasses from the wastegate join into those flowing through the turbine helps to prevent excessive back-pressure. A welded bracket utilizes the factory hard mount near the transmission reducing stress on the turbocharger mounting bolts and studs. Corrosion-resistant and mandrel bent 3" 304 Stainless Steel tubing carries exhaust gasses downstream into a COBB-exclusive GESI 300 cell high-flow catalytic converter. A second O2 bung is located directly after the catalytic converter and is to be used by the OEM Rear O2 sensor. A CAD-designed, cast 304 stainless steel, flange finishes off the tail section of the J-Pipe. The reinforced cast flange is less susceptible to w