Flowmaster American Thunder Cat-Back Exhaust For 99-07 GM 1500 4.3L/4.8L/5.3L 1993-2008 toyota corolla 5" tailpipe diameter

5" tailpipe diameter

and thread-rolled after hardening for maximum fatigue strength

while coming in at a stealthy 25lbs lighter

1970-1972 Buick GS

Flowmaster American Thunder Cat-Back Exhaust For 99-07 GM 1500 4.3L/4.8L/5.3L 1993-2008 toyota corolla 5" tailpipe diameterFor the person who is looking for an aluminized steel cat back exhaust system with an aggressive exterior tone and moderate interior tone. The American Thunder system is heavy 16 gauge mandrel bent aluminized steel tubing for durability and maximum performance. Includes a Super 50 Series performance muffler for that perfect blend of a deep aggressive exterior sound, with a moderate interior tone that won't drive you out of the cab when having a