Exhaust 2007 expedition
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my preference would be to get a 22"/24" Magnaflow muffler with a 5 x 11 body.. I like the straight thru design (less back pressure) and the quiet rumble under idle and normal driving...then when you get on it...a nice roar... I've gone different brands and sizes...after awhile you appreciate the quiet muscular tone that a bigger aftermarket muffler gives you when you drive normal...