1998 mustang v6 converting to dual exhaust

1827 Views 7 Replies 4 Participants Last post by Silver J, Mar 3, 2014

3.8L98

Discussion Starter · Mar 3, 2014

I have a manual 1998 v6 and I'm going to convert it to a dual exhaust. Does anyone know if this will hurt the performance of the engine, hurt gas mileage, possibly damage the engine, and any other possible issues. I'm putting a catted x-mid pipe thats 2.5" in diameter that's made by pypes. The catback I'm putting on is the flowmaster american thunder with super 44 series mufflers. Any information will be great.

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Silver J

· #8 · Mar 3, 2014

Correct: 2.25" (or 2-1/4").

The V6 does not "require" any cross pipe, since it is even firing. Therefore, H-pipe (better sound?), X-pipe (faster flow?), or divorced/split are all options. Getting rid of the stock Y will net the most hp. :bigthumbsup

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