Flowmaster's American Thunder Cat-Back System for 2009-2014 V8-powered Ford F-150's
#13
F150 Forum
Thread Starter
#14
Senior Member
I gave it a couple more tries. Loosening all the way back to the muffler. That left/driver side just will not hang right. I'm starting to wear out the clamps so I am afraid to keep trying.
#15
F150 Forum
Thread Starter
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