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Old 12-29-2016, 03:58 PM   #14
NickIsAZero
Zilvia FREAK!
 
Join Date: Sep 2010
Location: Charleston, SC
Posts: 1,184
Trader Rating: (41)
NickIsAZero is an unknown quantity at this point
December 27, 2016
It was time for the restrictive factory exhaust to go. I sourced a used Blitz Nur Spec catback from a local's S14 and installed it. Lined up and bolted up perfectly to the factory catalytic converter. Sounds proper, deep and anything but raspy! I'll get it back on the dyno ASAP to see if there was any gains.
Spent some time on the dyno tonight to evaluate the performance gains after installing a Blitz Nur Spec catback exhaust. Roughly 14 horsepower gained and mainly in the top end. Two graphs shown: One at wastegate pressure and the other at 14psi.
Note that I am still running the factory Japanese catalytic converter.




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