PsSsShTGSX
20+ Year Contributor
- 1,225
- 0
- Oct 10, 2002
-
Bethlehem,
Pennsylvania
i drive around for a lil, let the car idle( turbo timer) i hear a loud whistle coming from under the hood. i opended it and it appears to be coming from the air filter. i have the k&n set up. what gives? never happen before til now. i just reupped my boost to 15psi and thats when i think it started. wont do it on start up though. what gives ? thanks in advance for ur suggestions.

