Since we're local, figured lets post it here too

We came up w/ a new Test Pipe Design for you Evo 8/9's (X is almost ready too)

This Test Pipe includes a 60mm waste gate. They are an off brand WG that we pre-test and modify to work in this application.

We set them to start opening at 7psi and full open by 15psi. We can make the springs at desired options, but the above setting we find, works good. Stock exhaust cars will make it open sooner over aftermarket exhaust cars due to back pressure differences. 1-2 psi difference usually

It will bolt on to your stock down pipe and exhaust. Just hook up a vacuum line to it and you're good to go! With this setup you can have a quiet stock exhaust, but still be able to make power when needed.

$350 SHIPPED

http://www.shopenglishracing.com/Eng...Pipe-Dump.html

We are currently prepping some for the EvoX guys - same price, just don't have any ready to go currently.






Here's a Video of the pipe at work!

This was installed on an Evolution 8 with a STOCK exhaust pushing just above 400whp