We wanted to shed some light on something that people have asking about a lot lately, as well as address some misleading forum posts and social media activity. In this post, I’ll go through some of the details between our GTWORX Bilstein Cup Sport kit and the standard Bilstein B6 kit. This includes differences in the actual strut and shock bodies as well as technical differences in the actual valving of each damper.

 

First, we think it’s great that Bilstein USA is releasing their own B6 strut and shock for 2015+ WRX and STI! It shows how far the Subaru suspension market has come in the last couple years. When we first came to Bilstein years ago to propose our first GTWORX dampers for the previous generation Impreza, they weren’t exactly sure if this was a viable market. We were big Bilstein fans, having used them on the old GC platform, other vehicles, and some interesting JDM parts. Our goal was to convince Bilstein USA to bring that kind of shock

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