Thread: got dual exhaust on 08 f150, would like it louder
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  #21  
Old 01-13-2009, 09:23 AM
dixiedesign dixiedesign is offline
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Join Date: Dec 2007
Location: Valdosta, GA
Vehicle: 2004 Ford F150
Posts: 500
Quote:
Originally Posted by jakek88 View Post
also, will i get a CEL if i put in high flows?
I haven't actually seen it done on the 2-cat systems, but you shouldn't so long as you don't move the O2's. When I gutted my precats and installed high flows on my 04, I didn't get a code.
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