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      03-30-2013, 02:54 PM   #22
DisGuy
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Quote:
Originally Posted by Sirius Black View Post
Macht Schnell pulley. Do you have a stock xpipe with the secondary cats still? The Fabspeed xpipe did do a lot to free up that exhuast flow. That was the first part of the exhaust I changed, then the AE rear section, then the TTPs.

Some of the difference could also come from whatever Karl down at Active Autowerke added to the file. Frank sent it to him for some additional tweaks on which he had been working.
no frank didnt send it out to AA. ill ask him on apr 6th and see what he says. yea i only did the custom test pipes, i heard you dont gain much from the 2ndary cats 5whp at most. i want to hit 400whp and ill be happy.
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