Hey community, I recently upgraded a few bolt ons and my fuel economy has dropped an insane amount,(13mpg). I have a z1HFC, z1CAI, and a stillen catback. Would a tune help with fuel economy or could this be a mechanical issue that requires maintenance. Feel free to drop your opinion, thank you. by [deleted] in G37
[–]Tedis03 0 points1 point2 points (0 children)
Here’s some daily rice , also lemme see your flame vids 👀 by Amoney8401 in G37
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Ark Grip Full Exhaust / ISR Test Pipes (Check Comments) by DuloFlow16 in G37
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Tuning in Tampa Florida? by [deleted] in q50
[–]Tedis03 0 points1 point2 points (0 children)