2015-2021 STI Exhaust

Greddy has an established name in the Import Performance scene due to the quality and results their products produce. Their cat back system has bee...

The AWE Tuning Touring Edition Exhaust System. This exhaust system is ideal for those looking for optimal exhaust flow that generates both horsepo...

BLOX Racing's exhaust system for the 2015+ Subaru WRX is manufactured using complete T304 stainless steel. The 3" cat-back system features mandrel...

You are looking at the PERRIN Dual Tube Cat-Back Exhaust System. This system uses a dual tube system. It starts as a single 3" tube then transitio...

Don't leave your turbo uncovered! Protect your intercooler from radiant heat from your turbo! The PERRIN turbo heat shield is CNC formed from 304 s...

The AWE Tuning Track Edition Exhaust System is ideal for those looking for optimal exhaust flow that generates both horsepower and torque while pro...

Mishimoto is proud to release the 2015+ Subaru WRX/STI cat-back exhaust. One of the biggest complaints 2015 WRX owners have is that the stock 2015 ...

This is the Invidia N1 Cat-Back Exhaust System. This exhaust system features a design that combines minimal bends with a larger piping diameter. Th...

This is the Invidia Q300 Cat-Back Exhaust System. The Q300 is a highly coveted exhaust system among enthusiasts because it gives them everything th...

This is the AWE Tuning Touring to Track Conversion Axle-Back Exhaust System. This means that for those of you who have AWE's Touring Edition Cat-B...

The Competition Series has been designed for those who want to increase the performance while gaining a more aggressive exhaust note.  DETAILS: Smo...

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...

Your 2015-2020 Subaru WRX or STI may be a powerful street and track machine off the showroom floor, but the factory cat-back sure doesn’t let you o...