The new Flowmaster® FlowFX® cat-back exhaust system for the 2009-2013 GM Silverado/Sierra 1500 trucks with the 5.3L engine is manufactured using durable 409 stainless steel throughout and features 3.0-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow, and a FlowFX "straight-through" muffler for a great aggressive sound level and maximum performance. The system is finished off with dual 4.0-inch diameter black ceramic-coated 304S stainless steel Flowmaster logoed tips exiting in front of the rear tire, giving your truck a custom look that goes hand in hand with that deep performance FlowFX sound. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's lifetime Limited Warranty.
Features:
- Increases of up to 10 hp and 11 lb./ft. over the stock exhaust
- 3.0-inch and 2.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- Includes two large 4.0-inch black ceramic coated tips with the Flowmaster logo on them, exit in front of the rear tire for an aggressive and stylish look
- Includes complete hardware and factory styled hangers in the stock locations for an easy installation
- FlowFX “straight through” performance muffler delivers a deep, aggressive performance tone and improves exhaust flow
- Backed by Flowmaster’s Lifetime Limited Warranty
Fits Crew Cab/Short Bed and Double Cab/Standard Bed Trucks with 143.5-inch Wheelbases Only
Installation Notes:
Fits Crew Cab/Short Bed and Double Cab/Standard Bed Trucks with 143.5-inch Wheelbases Only
About Flowmaster
Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, 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 5 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.