Subaru WRX & STI Sedan Cat Back Exhaust System Pontiac performance exhaust As soon as we tested

As soon as we tested our first cat back system we knew how special these BMW vehicles can be

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Using a 3” bore throughout combined with the straight-through style rear mufflers has led to maximum back-pressure reductions

Slip joint design

Flow Capabilities: 198 CFM Valve Closed

Subaru WRX & STI Sedan Cat Back Exhaust System Pontiac performance exhaust As soon as we testedTransform your WRX Sedan into a high performance machine with the Xforce 3" Cat Back Exhaust System. Made from durable 304 stainless steel, this system features dual side outlets and quad tips for an aggressive look. With a 3" diameter collecting to twin 2. 25" piping, this exhaust system is designed for maximum airflow, improving throttle response and increasing horsepower and torque gains throughout the RPM range. The hot dog resonator in the