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Old 07-02-2009, 09:41 PM   #4
Gemini
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Join Date: Jun 2009
Vehicle: 1999 mustang
Location: Illinois
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I thought the crossover pipe was only needed for engines that had an odd firing order. Since the 3.8 v6 has an even firing order, I didn't think a crossover was necessary. Of course this is based on a forum I read somewhere.

If i can find where i read that, I'll post a link to it.

Edit: Here is the link - http://www.miracerros.com/mustang/pipes_hpipe.htm
Edit #2: I will be sticking with the stock 2.25in diameter pipes and add turndowns right off the muffler.

Last edited by Gemini; 07-02-2009 at 09:58 PM.
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