2020-2026 Chevrolet Silverado Cat-Back Exhaust Flowmaster Stainless
SKU: 38335605849

2020-2026 Chevrolet Silverado Cat-Back Exhaust Flowmaster Stainless

$472.48 $524.98
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

2020-2026 Chevrolet Silverado Cat-Back Exhaust Flowmaster StainlessOverview: This Flowmaster Outlaw Cat back exhaust system for the 2020 2026 Chevy Silverado and GMC Sierra 2500HD 3500HD trucks with the 6. 6L gas engine, is perfect if you are looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. Maximum increases of up to 9 hp and 9 lb. ft. over the stock exhaust at the rear wheels. Designed for the Crew Cab, Standard Bed (6.

Overview:

This Flowmaster® Outlaw® Cat-back exhaust system for the 2020-2026 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L gas engine, is perfect if you are looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster®. Maximum increases of up to 9 hp and 9 lb.ft. over the stock exhaust at the rear wheels. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel Outlaw series muffler and large dual 3.00-inch 409 stainless steel mandrel-bent tailpipes that can be configured to exit either dual straight out the back, or dual out the sides behind the rear wheels which is best suited for towing applications. The system is finished off with polished 4.00-inch stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

Features:

  • Crossmember-Back Design Works with Stock Manifolds or Headers, Allowing More Application Options
  • 16-Gauge, 2.50-Inch 409 Stainless Steel Pipes add Durability and Strength
  • Super 44 Mufflers Deliver Increased Performance and an Aggressive to Moderate Sound Level
  • Three Different Tailpipe Exit Options Allow You to Tailor the Look of the Kit to Your Style
  • Mandrel-Bent Pipes Help to Maximize the Exhaust Flow for Better Performance
  • H-Pipe Style Crossover Helps Exhaust Gas Scavenging and Reduces Drone
  • Includes Hangers and Hardware for Installation
  • Lifetime Limited Warranty

    • Specs:

  • Brand: Flowmaster
  • CARB (California) Compliant: Yes
  • Catalytic Converter Included: No
  • Catalytic Converter Quantity: 0
  • Clamping Type: Flat Band
  • Clamps Included: Yes
  • Emission Code: 5
  • Exhaust Series: Outlaw
  • Exhaust Tip Color: Silver
  • Exhaust Tip Connection: Clamp-On
  • Exhaust Tip Cut: Angled
  • Exhaust Tip Edge: Angle Cut
  • Exhaust Tip Finish: Polished
  • Exhaust Tip Material: 304 Stainless Steel
  • Exhaust Tip Quantity: 2
  • Exhaust Tip Shape: Round
  • Exhaust Tip Wall: Double Wall
  • Exit Style: Dual Out Side
  • Finish: Natural
  • Gasket Or Seal Included: No
  • Grade Type: Performance
  • Hangers Included: Yes
  • Inlet Diameter: 3.5
  • Inlet Type: Flanged
  • Main Piping Diameter: 3
  • Mount Type: Uses Factory Hangers
  • Mounting Bracket Included: Yes
  • Muffler Body Height: 4
  • Muffler Body Length: 6.5
  • Muffler Body Material: 409 Stainless Steel
  • Muffler Body Shape: Oval
  • Muffler Body Width: 9.5
  • Muffler Color: Black
  • Muffler Finish: Black High-Temperature Paint Finish
  • Muffler Flanged Inlet: No
  • Muffler Flanged Outlet: No
  • Muffler Included: Yes
  • Muffler Inlet Connection: Slip-Fit
  • Muffler Inlet Inside Diameter: 3.5
  • Muffler Inlet Location: Center
  • Muffler Inlet Outside Diameter: 3.63
  • Muffler Outlet Connection: Slip-Fit
  • Muffler Outlet Diameter: 3
  • Muffler Outlet Location: Dual
  • Muffler Outlet Quantity: 2
  • Muffler Overall Length: 12.375
  • Muffler Part Number: Kit Only
  • Muffler Quantity: 1
  • Muffler Series: 10 Series
  • Muffler Type: Chambered
  • Pipe Color: Silver
  • Pipe Material: 409 Stainless Steel
  • Sound Level: Aggressive
  • Spring Bolt Kit Included: No
  • Tail Pipe Outlet Outside Diameter: 3
  • Tail Pipe Quantity: 2
  • Tail Pipe Tapered Outlet: No
  • Tip Logo: Embossed
  • Type: Cat-Back
  • Valve Included: No
  • Valve Type: Not Applicable
  • Part Number: 818112

    • Applications:

    • 2020-2026 Chevrolet Silverado 2500 HD 401 CID
    • 2020-2026 Chevrolet Silverado 3500 HD 401 CID
    • 2020-2026 GMC Sierra 2500 HD 401 CID
    • 2020-2026 GMC Sierra 3500 HD 401 CID

    Emissions:

    • 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.
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 38335605849

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    Johsz Family
    Boise, US
    ★★★★★ 5
    Great value and super comfy!
    Size: 7, Color: Sand
    These shoes are so comfortable and my new go to for summer. They are lightweight and fit like a glove. Great value
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    Reviewed in the United States on May 25, 2026
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    Nicky Kolatch
    New York, US
    ★★★★★ 5
    Everything I wanted
    Size: 7, Color: Bison Brown
    Fantastic! So comfortable and cute. I usually wear a 7.5 or 8 but followed comments and ordered size 7. They fit perfectly.
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    Reviewed in the United States on June 8, 2026
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    Isabella Thompson
    Carnegie, US
    ★★★★★ 5
    Comfort
    The best summer foot wear. These sandals are built for comfort with a great foot bed that leaves your feet feeling great at the end of the day.
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    Reviewed in the United States on May 25, 2026
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    Ashley Long
    Lake Worth, US
    ★★★★★ 5
    Best shoe ever
    5 star rating for literally the best shoe ever. I wore these almost everyday this summer. They are so incredibly comfortable. Cushion and padding is wonderful makes walking and wearing them very easy. They are not to platform at all and they don't have a separate heel height from the rest of the shoe so you're on a even walking ground. Size is perfect I stayed true to size and ordered my original sizing in Ugg which is perfect. The style os so trendy and literally goes with everything. I highly suggest them. I have back problems/ back surgery and these made my life so much easier. Comfortable and great support.
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    Reviewed in the United States on October 16, 2025
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    Owen
    Boise, US
    ★★★★★ 5
    Well made sandals
    Nice sandal that works well for me, feet sit comfortably in the shoes. I’m a quadriplegic that needs someone to wrestle my legs while putting my shoes on for me. These go on fairly easily. I have short legs and the extra height of the sandals helps to reduce the pressure on the back of my legs while my feet are on the legrests. Also my ankles tend to buckle and cause my feet and shoes to roll over onto the side of my foot. The soles of the UGG Goldenglow are wide and flat, substantially reducing this tendency. As far as comfort and function while walking, I can’t speak to that.
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    Reviewed in the United States on February 25, 2026

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