Quote:
Originally Posted by import111
Still waiting to see what these do with a Z that already has catback and HFC/TP's as generally there are diminishing returns the more you do to these cars.
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Check out the Proven Power dyno thread -- I added the tubes after TP's and K&N panel filters and picked up another 3-5 whp here and there.
I'd say high flow panel filters plus tubes are worth it. Good bang for the buck as compared to the pricey intakes that don't seem to perform any better.