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      05-12-2012, 11:55 AM   #14
Raptor251
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Drives: 2011.5 e92 m3/Ford Raptor 6.2
Join Date: Jan 2011
Location: San Diego

Posts: 870
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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
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