GrimmSpeed 2015+ Subaru WRX Equal Length Exhaust Header Shortblocks • SiDrive (can be setup

•    SiDrive (can be setup to adjust anything you like in ecu)

is to check whether pins A1-3 are populated

- Rated Horsepower = 410hp

• Made in the U

8L AT 2WD L Sedan 1993

GrimmSpeed 2015+ Subaru WRX Equal Length Exhaust Header Shortblocks • SiDrive (can be setupOver 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