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Old 08-12-2007, 07:45 PM
chevytillidie24's Avatar
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Default cat back
is the cat back setup louder? If not what is the purpose?
 
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  #2  
Old 08-12-2007, 08:19 PM
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Default RE: cat back
depends on the setup, but,yes if you go with aftermarket (ex: flowmaster) 2 into 1. It also breathes easier, gives you more power, better mileage.
 
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Old 08-13-2007, 09:37 AM
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Default RE: cat back
I don't know if its louder, but it lets you retain your cats for emissions purposes.
 
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