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post #18 of (permalink) Old 10-06-2014
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Joined: Mar 2012
Location: Memphis
Posts: 656
Originally Posted by Erik427 View Post
I would like to know why Ford is using a exhaust pipe diameter that is smaller that the 2014's. The cfm flow rate of the throttle body and intake tube would be nice to know too.
I read that Ford added the mid-pipe chamber mufflers and smaller piping to meet global noise standards due to the fact that the mustang is now going on sale outside of the US. I'd be a lot more expensive to have "US pipes" and "euro pipes" so they just reduced the size for all of them, I'd assume.

2015 mustang GT, Performance Pack, Recaro seats, All-weather floor mats.

Ordered: 5/20/14
VIN received: 10/16/14
ETA: 12/11/14
Delivered: 12/10/14
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