DESCRIPTION

The GrimmSpeed Cat-Back Exhaust System has combined premium materials, along with a larger piping diameter and smooth bends to provide the performance enthusiast with a satisfying result in terms of both power and sound. This exhaust system has been specifically designed to fit sedan models and will come with new gaskets, hardware, and GrimmSpeed's exhaust hangers to make this exhaust system ready for the installation. 

WHY?

Don't settle for that quiet stock exhaust. For those looking for a high quality exhaust with a nice tone the GrimmSpeed Un-Resonated Cat back is perfect. With a resonator delete to maximize sound create a nice rumble, this exhaust is perfect for your daily or track car. 

FEATURES:

• Non-resonated version (louder compared to resonated)

• Custom dual-outlet mufflers 

• Quad 3.5" double-wall angle-cut tips

• 304 stainless steel construction

• 1/2" thick-cut flanges

• Designed with a flex section

COMPATIBILITY

2011-2021 WRX

2011-2021 STI