94 civic ex 5spd...I/H/E how much gas mileage lost?

[bigdare23]

you should gain gas mileage since you are increasing the efficiency of the motor.

[aaronfelipe]

you should gain gas mileage since you are increasing the efficiency of the motor.

x2
Your car will require you to gas it less to get up to speed. Many people get the idea that it decreases your mileage because people tend to get on the gas more.

[3.5altman]

you should gain gas mileage since you are increasing the efficiency of the motor.

word! my car is modded, i get better gas mileage now compared to when it was stock