This is my 2003 GMC z71sierra. 5.3L She has 2.5 inch true dual exhaust with an X-pipe and two FloMaster 44 series mufflers. I also added a cold air induction system, a 2 in. Level, 33×12.50×20 R.B.P tires and the wheels are by moto. I have more plans for this truck. !!!
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