Flowmaster FlowFx Cat-Back Exhaust System - 3 in Diameter - Single Side Exit - 4-1/2 in Black Ceramic Tip - 5.3 L - GM Fullsize Truck 2014-19 1142204 See 54039BUS for the upper

See 54039BUS for the upper shell

Less under hood heat results in a cooler air charge for improved performance and keeping exhaust gases hotter within the exhaust system helps in decreasing exhaust density & increases exhaust flow

High strength cast iron for maximum rigidity and minimum distortion at high temperatures

black hardcoat

Flowmaster FlowFx Cat-Back Exhaust System - 3 in Diameter - Single Side Exit - 4-1/2 in Black Ceramic Tip - 5.3 L - GM Fullsize Truck 2014-19 1142204 See 54039BUS for the upperFits 2014 2018 GM Silverado Sierra 1500 4. 3L & 5. 3L engines, 2 4 Wheel Drive, 143. 5 and 153 inch Wheelbases Also fits 2019 GM 1500 (Legacy body only) 5. 3L, 4WD, extended cab w 143. 5 inch Wheelbase Deep Powerful Tone Inside and Outside the Vehicle FlowFX "Straight through" Performance Muffler Uses the Factory Hanger Locations Full Stainless Steel Construction Lifetime Limited Warranty Easy Installation Product Description: Exhaust System FlowFx