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Corvette C4 Forum 1984 through 1996

new exhaust cat question

  #1  
Old 06-21-2014, 05:47 PM
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Join Date: Oct 2013
Posts: 4
Default new exhaust cat question

I am looking to buy a dual exhaust for my 84 vette but was wondering how do you stop the check engine light from coming on because there wont be a cat anymore?
 
  #2  
Old 07-11-2014, 09:24 AM
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Join Date: Jul 2014
Location: Racine WI
Posts: 6
Smile Headers

TPIS Chaska MN has an excellent set of headers for your car. These install from the bottom and have clearance for the starter. I have ran both with the cat installed and without. I could not see any difference in performance and with the cat you support a cleaner environment. The biggest noticeable change was that without the cat installed the car developed an annoying drone exhaust noise. Quarter miles times were the same each way.
 
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