Flowmaster American Thunder Cat-Back Exhaust For 2007-2008 Tahoe/Yukon 4.8L/5.3L 2017-2023-6-7l-powerstroke Level 5: 80 HP &

Level 5: 80 HP & 200 lb-ft

Twin hydrodynamic journal bearings

Engineered for optimal performance

no welding required for quick

Flowmaster American Thunder Cat-Back Exhaust For 2007-2008 Tahoe/Yukon 4.8L/5.3L 2017-2023-6-7l-powerstroke Level 5: 80 HP &For 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