Quote:
Originally Posted by Fen335i
I didn't realize you can swap between fabspeed HFC's and cat-less with their system. What are the claimed gains with going catless w/Fabspeed's xpipe?
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[IMG]http://www.**********s.com/images/Products/Fabspeed/dyno29.jpg[/IMG]
That's with the ECU upgrade though. You might have slightly different numbers without a tune.