Does not fit crew cab 2WD with 2-piece driveshaft, 2019 LD/classic body or trucks with factory dual exhaust tailpipes.

Uses the Factory Hanger Locations

Deep, Powerful Performance Tone

Full Stainless Steel Construction

Clears Factory Spare Tire

Lifetime Limited Warranty

Mandrel-bent Tubing

Easy Installation

Max Dyno Gains of 21 hp and 23 lb.ft. of Torque

Product Description:

Exhaust System

American Thunder

Cat-Back

2-1/2 in Diameter

Dual Side Exit

3-1/2 in Polished Tips

Stainless

Natural

5.3 L

GM Fullsize Truck 2019-21

Kit

Manufacturer of performance exhaust systems, mufflers, performance air intakes, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 4 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.