Grimmspeed EJ 2 Bolt Up-Pipe - Black Ceramic Coated WRX 06-14 / STI 04-21 | GRM.1099.1.BLK vendor_Haltech The valve stem and guide

The valve stem and guide come PTFE lubricated and hard anodize coated for greater wear resistance

and we have the system professionally CERAKOTE coated

This material provides a great look and wonderful feel

We suggest Supertech Valvesprings and Retainers and actually use them in some of our very own cars

1156 XP80 LED Red Pair

Grimmspeed EJ 2 Bolt Up-Pipe - Black Ceramic Coated WRX 06-14 / STI 04-21 | GRM.1099.1.BLK vendor_Haltech The valve stem and guideFITMENT: 2004 2021 Subaru STI 2006 2014 Subaru WRX 2006 2013 Subaru Forester XT 2007 2009 Subaru Legacy GT 2007 2009 Subaru Outback XT The GrimmSpeed 2 Bolt Up Pipe is designed for USDM Subaru EJ25 engines with an OEM style 2 bolt header configuration. Adding a properly designed, thoroughly tested up pipe is one of the most effective early mods you can make to your Subaru. At GrimmSpeed, our goal was to create a 2 bolt up pipe that checks every box: