I can't back this with links or sources, but I can tell you that this is what I have seen in my field.
- Performance Tester/Engineer - $40-$60k (real performance tester not a novice/trainee)
- Senior Performance Tester/Engineer - $60-$90k
- Performance Testing/Engineering Manager $80-100+k (The upper end is pretty high depending on how you define. Foe example, I'm sure the VP in charge of services at Keynote makes a LOT more than $100k, but most managers aren't lucky enough to be in charge or 400+ Performance testers.