This is topic Why do I need a new cat-back system? in forum Tech Talk at Northern California Ford Owners  .


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Posted by bayarea50 (Member # 2738) on :
 
Is there a reason for buying a cat back system over just getting some new mufflers installed? I am just curious as to if there is some performance difference or just personal preference.
 
Posted by two-gun kid (Member # 5891) on :
 
a new catback consist of 2.5in piping and new mufflers and tail pipes.

your stock piping is 2.25
 
Posted by 91Trunkster (Member # 6598) on :
 
Cat-back systems are mandrel bent as well.
 
Posted by two-gun kid (Member # 5891) on :
 
oh and they flow better than the stock catback and sound better [patriot]
 
Posted by Red00GT (Member # 5653) on :
 
basically theyre teh win! [patriot]
 
Posted by 92stangLX (Member # 3252) on :
 
It depends on your combo. If you have a basically stock setup you won't see much if any performance difference between a good set of mufflers and a cat back. If you have a build motor or are running a blower setup (especially with H/C/I) then you will see a difference. This is assuming you have headers and a matching H/X pipe.
 




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