H-pipe gives more torqe and x-pipes gives more hp up top difference between the two is very very small 2-3 tourqe a bit more.
As for sounds like they said hpie give s deep rumble x-pipe gives it the raspy loudness. want it the way it sounds now but louder, then you want an off-road h-pipe.
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Dustin
2002 GT Mustang 5-Speed
Drag Radials,Sprayed,Powershifted
 
WOOO HOOOO!
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