Grimmspeed Cat Back Exhaust Non Resonated Subaru WRX / STI Sedan 2011-2021 GS300_2006-2011 Black finish

Black finish

Pipe: 76mm

Includes all Necessary Hardware

There is not another more versatile valve design on the market and is unique to Turbosmart

This makes installing the DW301 a breeze

Grimmspeed Cat Back Exhaust Non Resonated Subaru WRX / STI Sedan 2011-2021 GS300_2006-2011 Black finishWith so many catback options available, our goal was to create a unique, refined sound in an extremely high quality system. We've been casually referring to it as the gentleman's catback around the shop, to ensure that our mission wasn't lost in all of the craziness. We also wanted to produce a single system that would fit as many models as possible. Using a unique hanger design and by including a set of four custom polyurethane hangers with each kit,