i had the same issue.. possiblity you have a snapped manifold bolt or your leaking right out of the gasket. felpro makes nice gaskets.. i had the same problem on my truck.. granted i installed pacesetter long tube headers and went through 3 differant types of gaskets before the shop found one...
New Guy Here :pedobear:
my ride...
2003 1500 5.7 hemi ram
picked up the truck about 2 months stock and since then added..
PaceSetter long tube Headers (cat delete w/ custom mid pipe)
O2' cat' simulator
Magnaflow Dual Catback
AirRaid C.A.I
DiabloSport Trinity Tuner pt1000
White...
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