GrimmSpeed Cat Back Exhaust System (Un-Resonated) - Subaru WRX / STI VA WRX/STI Suspension patented system

patented system

Fitment Subaru WRX / STI 2015-2018

this HPS silicon intercooler Turbo Hose Kit Boot can withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintaining peak efficiency during competition or daily driving

This means a direct intake manifold connection is permitted

3 kgF/mm (front) & 4

GrimmSpeed Cat Back Exhaust System (Un-Resonated) - Subaru WRX / STI VA WRX/STI Suspension patented systemWith 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,