Flowmaster American Thunder Cat-Back Exhaust For 1998-2003 Ford F-150 4.6L/5.4L 1998-5-2002-5-9l-24v-cummins Shock Shaft: 5/8" hard-chrome plated

Shock Shaft: 5/8" hard-chrome plated alloy

3/5 certified

6L (3 Valve)

5-2005 Chevrolet 2500/3500

Custom T-304 S

Flowmaster American Thunder Cat-Back Exhaust For 1998-2003 Ford F-150 4.6L/5.4L 1998-5-2002-5-9l-24v-cummins Shock Shaft: 5/8" hard-chrome platedFlowmaster's American Thunder cat back exhaust system for the 1998 2003 Ford F 150 pickup truck is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This system allows you the choice of either dual out the rear exit tailpipes, or dual out the sides behind the rear wheels, which is perfect for towing. The bolt on 409S stainless steel system fits both the 4.