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Discussion Starter · #1 ·
i know mandrel bends are a better thing to have in exhaust piping
but i was wondering if i took 3" piping and bent it normally would i get roughly the same back pressure as the mandrel bends in a 2.5"??

As well do u know where to find cat back exhaust systems for sale other then e bay??
 

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Hi and welcome ..

3 inch is too big for an NA engine, also drop into the canadian section and say hi there. Look in the 2nd gen section for idea's on which cat back exhaust to choose from, there a couple for you to look at.
 
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