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GT Performance Mods 2005+ Mustang GT Performance and Technical Information

replace cat?

   
Old May 11, 2008 | 09:33 PM
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staindreality's Avatar
staindreality
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replace cat?
how hard would it be and any performance gains from just say buying a hiflow cat from pypes and replacing with factory. would this make my violators a little louder and deeper?
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Old May 11, 2008 | 09:41 PM
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theedge67
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It would probably make them louder, possibly deeper I don't know. There would be a small performance gain...maybe 3-5hp.
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