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Old 07-29-2011, 08:37 AM   #5 (permalink)
nvrbacardi
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Join Date: Sep 2010
Location: Puerto Rico
Posts: 25
Drives: Nissan 370Z Red M6
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You had 26 MPG When I put my K&N filters I went from 20 MPG to 22 MPG. IMO that 26 MPG is way high for a Z. I believe the number you are seeing right now is what you are supposed to have.

When I added the HPS tube it went up to 23.7 MPG
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