View Single Post
      05-18-2012, 10:13 PM   #37
/////RON's Avatar

Drives: Bmw 2012 ///M3, Bmw 2011 335is
Join Date: May 2012
Location: Los Angeles

iTrader: (0)

Originally Posted by Raptor251 View Post
Just wanted to give a little update to this thread. I've been really curious as to why Akra has both a H/X pipes and seeing as how they make one of the best systems out there I figured they were on to something. I decided what the hell, since I've already cut up my RPI x pipe to add resonators and H pipe cant hurt! All I can say is WOW! The car sounds totally different, it has a much deeper tone and the intake noise is insane. The car was also a little raspy from 3-4k before and now the sound is so clean! I need to do a dyno asap! Sorry for the bad pics. You can see where I added the H in the second pic just behind the tranny