2000 Buick Regal Q&A

2000 Buick Regal Question: buick regal 2000 v6 3.8 supercherge

when accelerated to hight speed it loose almost all power is hard to pass other cars on the freeway i don't know what to do please help -
Answer 1
poss plugged fuel filter or restricted exh system. -
Comment 1
what could be the restriction on the exh sistem -
Comment 2