GrimmSpeed 2015+ Subaru WRX Equal Length Exhaust Header Shortblocks High Flow Screen Filter

High Flow Screen Filter

2007 Subaru Impreza WRX Limited 2

WRX and STI from 09/1996 to 08/1998

conical springs are the front runners in valvetrain harmonic stability

The Link 2

GrimmSpeed 2015+ Subaru WRX Equal Length Exhaust Header Shortblocks High Flow Screen FilterOver the years, GrimmSpeed has proven that our exhaust products are some of the highest quality and best performing in the industry because of the detail oriented approached that we put into their development. When it comes to improving on an OEM design, this attention to detail and overall exhaust knowledge allows us to identify aspects of the factory parts that can be greatly improved upon. One of the first things to note about the OE exhaust