Well, since this is a subject on H-pipes, I have a question! I am gonna take my car into an exhaust shop to have them install my side exit exhaust next week, and am gonna ask them to cut four of the six cat's out. Will that work? Will I gain any HP? Will the check engine light come on? Thanks for any help!
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1998 Mustang GT with a 4.6 liter V8, Black
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