In article , desertp   
   ile@invalid-address.net wrote:   
   >On Thu, 11 Sep 2008 17:58:50 -0700 (PDT), johngdole@hotmail.com   
   >wrote:   
   >   
   >> You're right. Low resistance free-flow mufflers with larger piping.   
   >> wikipedia says:   
   >>   
   >> "Cat-back (also cat back and catback) refers to the portion of the   
   >> exhaust system from the outlet of the catalytic converter to the final   
   >> vent to open air. This generally includes the pipe from the converter   
   >> to the muffler, the muffler, and the final length of pipe to open   
   >> air."   
   >   
   >Golly, my pickup ain't got any of that stuff.... it just kind of   
   >goes from the exhaust manifold to the open air. No catalytic   
   >converter, no exhaust pipe, no tail pipe. Is this a bad thing?   
   >   
   >   
   depends. 4 banger in good shape?   
      
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