thumping sound
ok when im driving and get to about 3000 rpms and 1st and 2nd i keep hearing and feeling a thumping sound it sounds like its coming from the cross member but i checked it out and it looks fine has anyone had this happen to them 
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bbk underdrive pullys
cobra intake ported upper/lower
FMS 9mm wires
flexalite fan
bbk cold air
flowtech shorty headers
flowmaster 2 cambers
pacesetter off-road X-pipe
pro3i sub frames
fms Aluminum driveshaft
14* timing
Moroso Solid motor and tranny mounts
and much more to come
waiting to go in
3.73 fms cant wait
F-cam / 1.6 rockers
Lentech valve body and Converter
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