Flowmaster Signature Series Exhaust System

Flowmaster's® Signature Series Cat-back exhaust system for 2014-2019*(*Classic body 5.3L, 4wd w/143.5-inch wb) GM Silverado/Sierra 4.3L and 5.3L engines. This performance exhaust system fits both 2/4 Wheel drive models with 143.5 and 153-inch wheelbases and is manufactured from brushed 304 stainless steel for years of trouble-free service and highend good looks. This premium exhaust system is TIG welded for a stronger, more precise weld that looks as good as this system sounds. Features include a 3.00-inch inlet pipe leading into a TIG welded 304 stainless steel Signature Series "straight-through" muffler for great sound and maximum performance. The single 3.00-inch mandrel-bent tailpipe exits out behind the rear passenger side tire and is finished off with a large 4.50-inch diameter PVD coated black chrome 304S stainless steel tip, giving your Silverado/Sierra that custom look that goes hand in hand with the deep performance sound of the Signature Series muffler. Max dyno gains of 9 hp and 10 lb-ft at the rear wheels. The system uses all the factory hanger locations and connections for an easy installation that you can do at home. Includes installation instructions and all necessary hardware.

• Brushed 304 stainless steel offers maximum corrosion resistance for a cleaner and more high-end appearance.
• TIG welding offers a more precise weld, better heat control and high-end appearance compared to MIG welding.
• Black chrome tips offer a stylish upscale look.
• Signature Series muffler offers a moderate performance tone and increased performance over the stock system.
• Installer friendly design allows for an at home installation.
• Dyno proven performance gains you can feel.
• Increased power and torque over the stock exhaust system.
• Brushed appearance removes tooling marks for a cleaner overall look.
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