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Cat. conv. delete help. 4.2L V8

  #1  
Old 05-26-2010, 09:42 PM
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Default Cat. conv. delete help. 4.2L V8

I have a 2004 Audi S4. 4.2L V8. Any one remove the Catalytic converter from their stock exhaust? And if I do, will my car think theirs something wrong with it?
 
  #2  
Old 06-08-2010, 10:22 PM
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i also want to do a resonator delete off the stock exhaust. I am wondering if this will be bad. I also want to know if it will sound bad. I want it louder but i want it to still sound nice
 
  #3  
Old 06-20-2010, 02:57 AM
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and yes i am pretty sure that the engine light will go on. you can get a chip undo this though
 
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