Grimmspeed Catback Exhaust System, Un-Resonated - Subaru 11-14 WRX , 08-14 STI HATCHBACK - 070045 402 Series Includes (4) upper bushings

Includes (4) upper bushings

5” Diameter 6061 Aluminum Piping – Beadrolled and CNC mandrel bent on a large radius for maximum flow

TC1-XTG4 kit features an Xtreme pressure plate for the most demanding driver

-6AN Male 90 Degree Adapter with 1/8" NPT Port - Black - 8218-06-2

Boost Dependent and Multi-Input (0-5v/frequency) progressive controller designs feature large adjustment knobs

Grimmspeed Catback Exhaust System, Un-Resonated - Subaru 11-14 WRX , 08-14 STI HATCHBACK - 070045 402 Series Includes (4) upper bushingsWith so many catback exhaust options available, our goal was to create a unique, refined sound in an extremely high quality hand welded system. We've been affectionately referring to it as the gentleman's exhaust around the shop due to its mature tone. Available in both resonated and un resonated options, our catback will be the perfect addition for any enthusiast looking for increased performance with a sophisticated exhaust note. Quick Specs Custom