8th Generation Honda Civic Forum banner

2011 honda ci sedan

  1. ECU Tuning Information
    I just puurchased a 2011 Honda Civic Si Sedan from Pierre, SD. Than drove it home to Colorado. So I noticed while driving it, 1st gear VTEC engagement comes in at 3800 rpm. Plus if you press the gas pedal down it only bounces off the 3800-4300 rpm area. The car pulls hard with the Skunk2 C.a.i...