Quote:
Originally Posted by 2K3_Boxster_S
just curious what is your whole setup from headers back? still running stock front CATS??? interested in the dyno results. related to my NHP thread.
![cheers](http://www.986forum.com/forums/images/smilies/cheers.gif)
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Oops, made a mistake, the tubing is 1 7/8". It's still stock headers and Cats. Anyways, here is a video on the dyno but I couldn't get any numbers because the dyno needs to read RPMs off the crank and that just wasn't possible without removing a bunch of covers.
http://www.youtube.com/watch?v=aVMnjSyeyzQ
And some pics:
from behind
Version 2.0 with smaller resonators
Version 3.0 with larger resonators