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...]

Jul 012010
 
The Original PERRIN Part... Uppipe...

The term uppipe, where did this come from?  Definitely not from Subaru, but most likely from some crazy Subaru Enthusiast.  Where ever this term came from, I remember first seeing the term use on I-Club forums (now known as NASIOC).  This strange part people were calling an Uppipe is what drove me to start coming up with high performance parts for Subarus. Over the years I have this term so much that I added it to my Microsoft Word Dictionaries. [...Continue Reading...]

 Posted by on July 1, 2010 Part Design & Tech Tagged with: , , , ,