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I have a 1999 V6 Mustang, CAI, and Borrla Dual Exhaust. I wanted to put a MAC H pipe on... the people I have been talking to about putting it on said it is a waste of time and will actually Decrease horsepower.... I'm not looking for anything major, I just want a little more pickup and a better sound. My cats have been clogged for the last 7 years, my engine light has been on and when i get my car inspected my mechanic just lets it go.

By putting an Off Road H Pipe, this should increase flow and give me better pickup, Right???
 
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