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Flowmaster FlowFX Cat-Back Exhaust System 717929

Flowmaster FlowFX Cat-Back Exhaust System 717929
Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929Flowmaster FlowFX Cat-Back Exhaust System 717929
$1,072.99 ea
NEWARRIVING SOONEstimated Ship Date 11/19/2025 (If Ordered Today)12 Available from HOLLEY PERFORMANCE PRODUCTS as of 11/03/2025
Model: 4016805
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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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.

Downloads:

Download Name File Size
fm_warranty_general.pdf88.58KB
717929_instructions.pdf2.53MB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine Fitment Notes
Chevrolet Silverado 1500 LS 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LS 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LS 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LS 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LTZ 2009 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LTZ 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LTZ 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LTZ 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LTZ 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LT 2009 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LT 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LT 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LT 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 LT 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 WT 2009 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 WT 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 WT 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 WT 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 WT 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 XFE 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 XFE 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 XFE 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
Chevrolet Silverado 1500 XFE 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLE 2009 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLE 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLE 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLE 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLE 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLT 2009 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLT 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLT 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLT 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SLT 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SL 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SL 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SL 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 SL 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 WT 2009 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 WT 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 WT 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 WT 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 WT 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 XFE 2010 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 XFE 2011 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 XFE 2012 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase
GMC Sierra 1500 XFE 2013 5.3L / 325 / V8 Fits Crew Cab/Short bed, Double Cab/Standard Bed Only with 143.5-inch Wheelbase

Specifications:

California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series FlowFX
Exit Position Dual Out Same Side
Material 409 Stainless Steel
Mount Type Uses Factory Hangers
Muffler Body Length (in) 18
Muffler Color Natural
Muffler Finish Brushed
Muffler Inlet Diameter 3
Muffler Inlet Location Centered
Muffler Material 409S Stainless Steel
Muffler Outlet Diameter 2.5
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
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Single Dual Dual
Sound Level Aggressive
System Type Cat-back
Tip Cut Angle
Tip Diameter 4
Tip Edge Style Cut
Tip Finish Black Ceramic
Tip Length 5.25
Tip Logo Laser
Tip Material 304 Stainless
Tip Quantity 2
Tip Shape Round
Tip Style Double Wall
Tubing Diameter (in) 2.5
Tubing Material 409S Stainless Steel

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