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cat-back exhaust

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Old Nov 28, 2009 | 02:57 PM
  #1  
Cgjohnst's Avatar
Cgjohnst
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Joined: Oct 2009
Posts: 28
From: Florida
Default cat-back exhaust

Is it worth putting a catback exhaust on an 03 gt? I heard if I do more than that then I would be voiding my warranty. I know it would sound good, but would there be much of a performance improvement?
Old Nov 28, 2009 | 03:01 PM
  #2  
Synyster06Gates's Avatar
Synyster06Gates
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Joined: Oct 2008
Posts: 1,130
From: Texas
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No, not with a catback alone. If you got intake/exhaust/tune, you would gain a few hp.
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