I'm starting to lean towards the exhaust leak idea. I would guess it is coming from around the manifold or egr area in the back. Maybe i didn't torque the headers quite tight enough i'll try and get them a little tighter tomorrow and check to see if anything on the EGR is loose... Any one have any other ideas?

CSVT#1321/2150 Born 1/6/2000 It's just a Contour.. Before Dyno: 178.9whp w/2.5L 94 Probe 4cyl/150k KYB struts, Magnaflow Polished SS muffler (Daily Driver)