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
Specs
Brand
Flowmaster
Emission Code
5
Exhaust Series
FlowFX
Exit Position
Dual Out Same Side
Mount Type
Uses Factory Hangers
Muffler Body Length (in)
18
Muffler Color
Natural
Muffler Finish
Brushed
Muffler Inlet Diameter
3.00
Muffler Inlet Location
Centered
Muffler Material
409S Stainless Steel
Muffler Outlet Diameter
2.50
Muffler Outlet Location
Dual Outlet
Muffler Overall Length (in)
24
Muffler Part Number
Kit Only
Muffler Quantity
1
Muffler Series
FlowFX
Muffler Shape
Oval
Muffler Type
Absorption
Product Type
Exhaust System
Single Dual
Dual
Sound Level
Aggressive
System Type
Cat-back
Tip Cut
Angle
Tip Diameter
4.00
Tip Edge Style
Cut
Tip Finish
Black Ceramic
Tip Length
5.25
Tip Logo
Laser
Tip Material
304 Stainless
Tip Quantity
2.00
Tip Shape
Round
Tip Style
Double Wall
Tubing Diameter (in)
2.50
Tubing Material
409S Stainless Steel
California Proposition 65 Required
Yes
Part Number
717929
Emissions
5
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
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