Flowmaster American Thunder Cat-Back Exhaust For 1998-2003 Ford F-150 4.6L/5.4L 1998-5-2002-5-9l-24v-cummins 3/5 certified

3/5 certified

5-2005 Chevrolet 2500/3500

Thanks to Stage Series TIR optic technology

which will result in a decrease in unwanted chassis flex

Flowmaster American Thunder Cat-Back Exhaust For 1998-2003 Ford F-150 4.6L/5.4L 1998-5-2002-5-9l-24v-cummins 3/5 certifiedFlowmaster'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.