2015-2021 STI

The Borla S-Type Catback Exhaust System combines larger piping diameter with smooth mandrel bends to produce more horsepower, more torque, along wi...

The Borla S-Type Catback Exhaust System for the 15+ Subaru WRX and STI combines larger piping diameter with smooth mandrel bends to produce more ho...

This is Borla's Unequal-Length Header. Although the factory exhaust manifold is robust by design, there is much room for improvement in terms of pe...