The length of the line doesn't matter.
Make sure you have it tapped to the map and not the Baro sensor.
I tapped the line under the snout I hear thats a common place?
2001 4dr Black GTP Stock and staying that was... maybe
1997 2dr Black GTP Open Cone, GXP Rims, Black Headlights, ZZP Headers, ZZP Cat Back, Bunch of suspension parts from ZZP, ZZP 10.5MM plug wires, Autolite 605s, Overkill Tune