Flowmaster flo717857 Flow FX Cat-Back Exhaust System for 2014-2019 Chevrolet Silverado/GMC Sierra 1500

Introducing the new Flow FX® 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 409S stainless steel for years of trouble-free service. Features include 3.00-inch inlet pipe leading into a Flow FX "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 large 4.50-inch diameter black ceramic coated 304S stainless steel tip, giving your Silverado/Sierra that custom look that goes hand in hand with the deep performance sound of the Flow FX muffler. 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. Fits 2014-2019* (*Classic body only) GM Silverado/Sierra 1500 4.3L & 5.3L engines. - Moderate sound Fits 2014-2018 GM Silverado/Sierra 1500 4.3L & 5.3L engines, 2/4 Wheel Drive, 143.5 and 153-inch Wheelbases - Also fits 2019 GM 1500 (Legacy body only) 5.3L, 4WD, extended cab w/143.5-inch Wheelbase

• Large 4.50-inch Stainless Steel Black Ceramic Coated Tip
• Deep Powerful Tone Inside and Outside the Vehicle
• Flow FX "Straight-through" Performance Muffler
• Uses the Factory Hanger Locations
• Full Stainless Steel Construction
• Lifetime Limited Warranty
• Easy Installation

The Flowmaster Flow FX cat-back exhaust system is designed for select 2014-2019 Chevrolet Silverado and GMC Sierra 1500 applications with 4.3L and 5.3L engines. It delivers a moderate exhaust sound with a deep performance tone while using factory hanger locations and connections for straightforward installation.

Key Features & Performance Benefits

• Flow FX straight-through muffler supports performance-oriented exhaust flow and produces a deep, powerful tone inside and outside the vehicle.
• 3.00-inch inlet pipe and 3.00-inch mandrel-bent tailpipe provide the stated system configuration.
• Large 4.50-inch black ceramic-coated 304S stainless steel tip adds a custom-finished appearance behind the rear passenger-side tire.
• 409S stainless steel system construction is designed for long-term service, and the system uses factory hanger locations for easier installation.

Key Product Specifications & Technical Data

• Brand: Flowmaster
• Part number: flo717857
• Product type: Flow FX cat-back exhaust system
• Vehicle applications: Select 2014-2019 Chevrolet Silverado 1500 and GMC Sierra 1500 models
• Engine applications: 4.3L and 5.3L engines
• Drive and wheelbase applications: 2WD and 4WD models with 143.5-inch and 153-inch wheelbases, where specified
• Muffler: Flow FX straight-through design
• Construction and finish: 409S stainless steel system with a black ceramic-coated 304S stainless steel tip

What's Included in the Box

The system includes the exhaust components, installation instructions, and necessary hardware.

Fitment

Application details include 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 models with 4.3L or 5.3L engines, 2WD or 4WD, and 143.5-inch or 153-inch wheelbases. It also fits select 2019 GMC 1500 Legacy-body models with a 5.3L engine, 4WD, extended cab, and 143.5-inch wheelbase. Verify vehicle configuration before ordering.

Fitments:
2014 Chevrolet Silverado 1500 High Country
2014 Chevrolet Silverado 1500 LT
2014 Chevrolet Silverado 1500 LTZ
2014 Chevrolet Silverado 1500 WT
2014 GMC Sierra 1500 Base
2014 GMC Sierra 1500 Denali
2014 GMC Sierra 1500 SLE
2014 GMC Sierra 1500 SLT
2015 Chevrolet Silverado 1500 High Country
2015 Chevrolet Silverado 1500 LS
2015 Chevrolet Silverado 1500 LT
2015 Chevrolet Silverado 1500 LTZ
2015 Chevrolet Silverado 1500 SSV
2015 Chevrolet Silverado 1500 WT
2015 GMC Sierra 1500 Base
2015 GMC Sierra 1500 Denali
2015 GMC Sierra 1500 SLE
2015 GMC Sierra 1500 SLT
2016 Chevrolet Silverado 1500 Custom
2016 Chevrolet Silverado 1500 High Country
2016 Chevrolet Silverado 1500 LS
2016 Chevrolet Silverado 1500 LT
2016 Chevrolet Silverado 1500 LTZ
2016 Chevrolet Silverado 1500 SSV
2016 Chevrolet Silverado 1500 WT
2016 GMC Sierra 1500 Base
2016 GMC Sierra 1500 Denali
2016 GMC Sierra 1500 SLE
2016 GMC Sierra 1500 SLT
2017 Chevrolet Silverado 1500 Custom
2017 Chevrolet Silverado 1500 High Country
2017 Chevrolet Silverado 1500 LS
2017 Chevrolet Silverado 1500 LT
2017 Chevrolet Silverado 1500 LTZ
2017 Chevrolet Silverado 1500 SSV
2017 Chevrolet Silverado 1500 WT
2017 GMC Sierra 1500 Base
2017 GMC Sierra 1500 Denali
2017 GMC Sierra 1500 SLE
2017 GMC Sierra 1500 SLT
2018 Chevrolet Silverado 1500 Custom
2018 Chevrolet Silverado 1500 High Country
2018 Chevrolet Silverado 1500 LS
2018 Chevrolet Silverado 1500 LT
2018 Chevrolet Silverado 1500 LTZ
2018 Chevrolet Silverado 1500 SSV
2018 Chevrolet Silverado 1500 WT
2018 GMC Sierra 1500 Base
2018 GMC Sierra 1500 Denali
2018 GMC Sierra 1500 SLE
2018 GMC Sierra 1500 SLT
2019 Chevrolet Silverado 1500 LD Custom
2019 Chevrolet Silverado 1500 LD LT
2019 Chevrolet Silverado 1500 LD WT
2019 GMC Sierra 1500 Limited Base
2019 GMC Sierra 1500 Limited SLE

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1