size of stock exhaust
#2
2.5in but im not sure if you can really use those effectively. Better off with a complete axleback system like so
http://www.americanmuscle.com/flowma...ck-1517v6.html
http://www.americanmuscle.com/flowma...ck-1517v6.html
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f150guy
Pipes, Boost & Juice
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11-02-2009 05:01 PM