• FLO737857.jpg
  • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
  • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
  • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
  • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
  • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
  • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
  • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
  • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
  • 737857_dyno.jpg
  • 737857_dyno.jpg
    • FLO737857.jpg
    • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
    • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
    • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
    • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
    • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
    • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
    • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
    • Signature Series Exhaust System Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit Exhaust Flowmaster
    • 737857_dyno.jpg
    • 737857_dyno.jpg

    Flowmaster Flowmaster Signature Series Exhaust System 737857

    Vendor: Flowmaster
    Part Number: 737857
    Save $303
    $934.95 $1,237.95

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    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
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    Product DetailsFAQReviewsRelated Products
    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.


    Flowmaster Flowmaster Signature Series Exhaust System 737857


    Specifications:

    Brand Flowmaster
    California Proposition 65 Yes
    California Proposition 65 Chemical Name Chromium (hexavalent compounds)
    California Proposition 65 Chemical Name Nickel (Metallic)
    CARB (California) Compliant Yes
    Catalytic Converter Included No
    2874 0
    Category Exhaust
    3728 Flat Band
    1882 Yes
    Emission Code 5
    Pipe Wall Gauge 16
    Exhaust Series Signature Series
    11205 Black
    9874 Clamp-On
    9876 Angled
    1162 4.50
    9877 Rolled Edge
    1163 Black Chrome
    9881 No
    10104 11.00
    1164 304 Stainless Steel
    1161 1
    9878 No
    10980 Round
    9875 Single Wall
    9870 Single Out Side
    200 Natural
    353 No
    3390 Performance
    4364 Yes
    Heat Shield Included No
    Inlet Diameter 3.00
    596 Clamp-On
    9871 3.00
    Mount Type Uses Factory Hangers
    92 Yes
    9884 4.00
    1892 18.00
    4372 304 Stainless Steel
    4373 Oval
    9882 Natural
    4367 No
    4368 No
    Muffler Included Yes
    9962 Slip-Fit
    4365 3.00
    4366 3.13
    9963 Slip-Fit
    4375 1
    4374 1
    1174 Absorption
    part type Exhaust System
    3530 304 Stainless Steel
    Product Type Exhaust System
    Sound Level Moderate
    4377 No
    Sub Category Exhaust and Tail Pipes
    4369 3.00
    4376 1
    Tail Pipe Quantity Single
    4370 Yes
    Type Cat-back
    6014 No
    2126 Not Applicable
    Pipe Color Silver
    9885 9.00
    Brand Flowmaster
    California Proposition 65 Yes
    California Proposition 65 Chemical Name Chromium (hexavalent compounds)
    California Proposition 65 Chemical Name Nickel (Metallic)
    CARB (California) Compliant Yes
    Catalytic Converter Included No
    2874 0
    Category Exhaust
    3728 Flat Band
    1882 Yes
    Emission Code 5
    Pipe Wall Gauge 16
    Exhaust Series Signature Series
    11205 Black
    9874 Clamp-On
    9876 Angled
    1162 4.50
    9877 Rolled Edge
    1163 Black Chrome
    9881 No
    10104 11.00
    1164 304 Stainless Steel
    1161 1
    9878 No
    10980 Round
    9875 Single Wall
    9870 Single Out Side
    200 Natural
    353 No
    3390 Performance
    4364 Yes
    Heat Shield Included No
    Inlet Diameter 3.00
    596 Clamp-On
    9871 3.00
    Mount Type Uses Factory Hangers
    92 Yes
    9884 4.00
    1892 18.00
    4372 304 Stainless Steel
    4373 Oval
    9882 Natural
    4367 No
    4368 No
    Muffler Included Yes
    9962 Slip-Fit
    4365 3.00
    4366 3.13
    9963 Slip-Fit
    4375 1
    4374 1
    1174 Absorption
    part type Exhaust System
    3530 304 Stainless Steel
    Product Type Exhaust System
    Sound Level Moderate
    4377 No
    Sub Category Exhaust and Tail Pipes
    4369 3.00
    4376 1
    Tail Pipe Quantity Single
    4370 Yes
    Type Cat-back
    6014 No
    2126 Not Applicable
    Pipe Color Silver
    9885 9.00
    Description_ABR SYS 14-19 GM
    Description_SHO SYS 14-19 GM 1500, 5
    Description_INV 14-19 GM 1500, 5.3L, CB, SIGNATURE 304
    Description_ASC 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
    Description_DES Flowmaster Signature Series Exhaust System
    Description_EXT Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit exhaust
    Description_MKT 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.
    Description_FAB Brushed 304 stainless steel offers maximum corrosion resistance for a cleaner and more high-end appearance.
    Description_FAB TIG welding offers a more precise weld, better heat control and high-end appearance compared to MIG welding.
    Description_FAB Black chrome tips offer a stylish upscale look.
    Description_FAB Signature Series muffler offers a moderate performance tone and increased performance over the stock system.
    Description_FAB Installer friendly design allows for an at home installation.
    Description_FAB Dyno proven performance gains you can feel.
    Description_FAB Increased power and torque over the stock exhaust system.
    Description_FAB Brushed appearance removes tooling marks for a cleaner overall look.
    Description_ABR SYS 14-19 GM
    Description_SHO SYS 14-19 GM 1500, 5
    Description_INV 14-19 GM 1500, 5.3L, CB, SIGNATURE 304
    Description_ASC 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
    Description_DES Flowmaster Signature Series Exhaust System
    Description_EXT Fits 2014-2019* (Classic Body) GM 1500 4.3L/5.3L, 304 Stainless Steel, Single Exit exhaust
    Description_MKT 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.
    Description_FAB Brushed 304 stainless steel offers maximum corrosion resistance for a cleaner and more high-end appearance.
    Description_FAB TIG welding offers a more precise weld, better heat control and high-end appearance compared to MIG welding.
    Description_FAB Black chrome tips offer a stylish upscale look.
    Description_FAB Signature Series muffler offers a moderate performance tone and increased performance over the stock system.
    Description_FAB Installer friendly design allows for an at home installation.
    Description_FAB Dyno proven performance gains you can feel.
    Description_FAB Increased power and torque over the stock exhaust system.
    Description_FAB Brushed appearance removes tooling marks for a cleaner overall look.


    This Part Fits:

    Year Make Model Submodel Notes
    2016 Chevrolet Silverado 1500 Custom
    2016 Chevrolet Silverado 1500 Custom
    2017 Chevrolet Silverado 1500 Custom
    2017 Chevrolet Silverado 1500 Custom
    2018 Chevrolet Silverado 1500 Custom
    2018 Chevrolet Silverado 1500 Custom
    2014 Chevrolet Silverado 1500 High Country
    2015 Chevrolet Silverado 1500 High Country
    2016 Chevrolet Silverado 1500 High Country
    2017 Chevrolet Silverado 1500 High Country
    2018 Chevrolet Silverado 1500 High Country
    2015 Chevrolet Silverado 1500 LS
    2015 Chevrolet Silverado 1500 LS
    2016 Chevrolet Silverado 1500 LS
    2016 Chevrolet Silverado 1500 LS
    2017 Chevrolet Silverado 1500 LS
    2017 Chevrolet Silverado 1500 LS
    2018 Chevrolet Silverado 1500 LS
    2018 Chevrolet Silverado 1500 LS
    2014 Chevrolet Silverado 1500 LT
    2014 Chevrolet Silverado 1500 LT
    2015 Chevrolet Silverado 1500 LT
    2015 Chevrolet Silverado 1500 LT
    2016 Chevrolet Silverado 1500 LT
    2016 Chevrolet Silverado 1500 LT
    2017 Chevrolet Silverado 1500 LT
    2017 Chevrolet Silverado 1500 LT
    2018 Chevrolet Silverado 1500 LT
    2018 Chevrolet Silverado 1500 LT
    2014 Chevrolet Silverado 1500 LTZ
    2015 Chevrolet Silverado 1500 LTZ
    2016 Chevrolet Silverado 1500 LTZ
    2017 Chevrolet Silverado 1500 LTZ
    2018 Chevrolet Silverado 1500 LTZ
    2015 Chevrolet Silverado 1500 SSV
    2016 Chevrolet Silverado 1500 SSV
    2017 Chevrolet Silverado 1500 SSV
    2018 Chevrolet Silverado 1500 SSV
    2014 Chevrolet Silverado 1500 WT
    2014 Chevrolet Silverado 1500 WT
    2015 Chevrolet Silverado 1500 WT
    2015 Chevrolet Silverado 1500 WT
    2016 Chevrolet Silverado 1500 WT
    2016 Chevrolet Silverado 1500 WT
    2017 Chevrolet Silverado 1500 WT
    2017 Chevrolet Silverado 1500 WT
    2018 Chevrolet Silverado 1500 WT
    2018 Chevrolet Silverado 1500 WT
    2019 Chevrolet Silverado 1500 LD Custom
    2019 Chevrolet Silverado 1500 LD LT
    2019 Chevrolet Silverado 1500 LD WT
    2014 GMC Sierra 1500 Base
    2014 GMC Sierra 1500 Base
    2015 GMC Sierra 1500 Base
    2015 GMC Sierra 1500 Base
    2016 GMC Sierra 1500 Base
    2016 GMC Sierra 1500 Base
    2017 GMC Sierra 1500 Base
    2017 GMC Sierra 1500 Base
    2018 GMC Sierra 1500 Base
    2018 GMC Sierra 1500 Base
    2014 GMC Sierra 1500 Denali
    2015 GMC Sierra 1500 Denali
    2016 GMC Sierra 1500 Denali
    2017 GMC Sierra 1500 Denali
    2018 GMC Sierra 1500 Denali
    2014 GMC Sierra 1500 SLE
    2014 GMC Sierra 1500 SLE
    2015 GMC Sierra 1500 SLE
    2015 GMC Sierra 1500 SLE
    2016 GMC Sierra 1500 SLE
    2016 GMC Sierra 1500 SLE
    2017 GMC Sierra 1500 SLE
    2017 GMC Sierra 1500 SLE
    2018 GMC Sierra 1500 SLE
    2018 GMC Sierra 1500 SLE
    2014 GMC Sierra 1500 SLT
    2015 GMC Sierra 1500 SLT
    2016 GMC Sierra 1500 SLT
    2017 GMC Sierra 1500 SLT
    2018 GMC Sierra 1500 SLT
    2019 GMC Sierra 1500 Limited Base
    2019 GMC Sierra 1500 Limited SLE
    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
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    Read the full Shipping Policy
    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy
    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

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