For those with Exhaust and HFCs
#1
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For those with Exhaust and HFCs
Those of you who have installed exhaust and HFCs (Fast intentions in particular), How does it affect your fuel economy? Anyone seen a noticeable difference?
#2
I have both the FI Exhaust and the FI HFC's. Before both of my mods: I drove my car pretty hard most of the time and I was getting around 15 miles per gallon. After both mods still driving the same and still getting the same gas mileage. So its the same for me.
#5
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anyway good to know theres no negative effect on fuel economy..thanks guys
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User 122320
G37 Coupe
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09-17-2015 02:28 PM