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      01-18-2012, 11:42 AM   #3
4th down; 4th quarter? Renegade.
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Drives: 09 SSII E92 M3; 12 AW X5d
Join Date: Aug 2008
Location: Pittsburgh, PA

Posts: 3,810
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Originally Posted by big fra View Post
Thinking of buying this of a lad in the uk:

Just wondering if anyone else has this and if so what's your thoughts?


I have the fabspeed HFCs + xpipe. Build quality is good, nice weight savings vs. stock. The slip fittings are not ideal - you will need to use liquid exhaust gasket or weld the slip fitting. I did the latter since I have the HFC front section anyway.

You won't gain much, if any, power from removing the secondary cats - have to remove the primaries for a noticeable difference in power.

Good luck!
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