FLOWMASTER 40
Just got my Thrush welded muffler installed last Friday. Truck sounds awesome on a cold start up. And you can't even tell a increase of noise level at cruising speed. Love it!. Got a new connection pipe, and tailpipe installed at the same time. Now it's 2.25" instead of 2"
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Fx4wannabe01
4.0L OHV & SOHC V6 Tech
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Jan 3, 2011 12:33 PM




