Nov 062013
 
PERRIN STI Equal Length Header

Updated from July 2010 post with new pics and new data! When Subaru released the Version 8 STI in Japan we noticed how they moved to a twin scroll turbo and equal length exhaust manifold. This is what inspired us to make our first header for the WRX/STI! Would taking the equal length design of this JDM header and adapting it to fit our US cars actually make a difference in power? Would it spool worse?  How would the sound [...Continue Reading...]

Oct 032011
 
BigTube Equal Length Header

A new part brought to you by….. you!   Over the last few years our Equal Length Header has been one of our most popular and most loved parts we have made.  From the beginning we choose a perfect size tube for the primaries which produced more power and quicker turbo response compared to any other header out there.   This was proven first by us, then by customers on forums and other shops. Even though its been a  huge [...Continue Reading...]