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    • Outlaw Extreme Cat-Back Exhaust System Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System Flowmaster
    • Outlaw Extreme Cat-Back Exhaust System Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System Flowmaster
    • Outlaw Extreme Cat-Back Exhaust System Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System Flowmaster
    • Outlaw Extreme Cat-Back Exhaust System Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System Flowmaster
    • Outlaw Extreme Cat-Back Exhaust System Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System Flowmaster
    • Outlaw Extreme Cat-Back Exhaust System Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System Flowmaster
    • Outlaw Extreme Cat-Back Exhaust System Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System Flowmaster
    • Outlaw Extreme Cat-Back Exhaust System Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System Flowmaster
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    Sale!

    Flowmaster Flowmaster Outlaw Extreme Cat-Back Exhaust System 818138

    Vendor: Flowmaster
    Part Number: 818138
    Save $59
    Sale Price $467.95 Regular Price $526.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    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.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    This Flowmaster® Outlaw Extreme cat-back exhaust system for the 2022-2025 Toyota Tundra with the 3.4-liter engine is manufactured using durable 409 stainless steel throughout and features 3.0-inch mandrel bent pipes for better exhaust gas flow. A race inspired Outlaw series muffler is used for maximum performance and delivers an aggressive sound inside and out. This system exits under the truck with a dump style turn down tip for added style and better ground clearance when driving off-road. 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.


    Flowmaster Flowmaster Outlaw Extreme Cat-Back Exhaust System 818138


    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
    Exhaust Series Outlaw Extreme
    9881 No
    1161 0
    Exhaust Tip Quantity Sold Separately
    10980 Round
    9870 Single Out Dump
    200 Natural
    353 No
    3390 Performance
    4364 Yes
    596 Clamp-On
    9871 3.00
    Mount Type Uses Factory Hangers
    92 No
    4371 4.00
    9884 4.00
    1892 10.50
    4372 409 Stainless Steel
    4373 Round
    Muffler Color Black
    9882 Black High-Temperature Paint Finish
    4367 No
    4368 No
    Muffler Included Yes
    9962 Slip-Fit
    4365 3.00
    Muffler Inlet Location Center
    4366 3.13
    Muffler Outlet Diameter 3.00
    Muffler Outlet Location Center
    4375 1
    Muffler Overall Length 16.75
    Muffler Part Number Kit Only
    4374 1
    Muffler Series Outlaw
    1174 Reflection
    part type Exhaust System
    3530 409 Stainless Steel
    Product Type Exhaust System
    Sound Level Aggressive / Moderate
    4377 No
    Sub Category Exhaust and Tail Pipes
    4369 3.00
    4376 1
    Tail Pipe Quantity Single
    4370 No
    26 Cat-Back
    6014 No
    2126 Not Applicable
    Warning California Proposition 65
    Pipe Color Silver
    9885 4.00
    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
    Exhaust Series Outlaw Extreme
    9881 No
    1161 0
    Exhaust Tip Quantity Sold Separately
    10980 Round
    9870 Single Out Dump
    200 Natural
    353 No
    3390 Performance
    4364 Yes
    596 Clamp-On
    9871 3.00
    Mount Type Uses Factory Hangers
    92 No
    4371 4.00
    9884 4.00
    1892 10.50
    4372 409 Stainless Steel
    4373 Round
    Muffler Color Black
    9882 Black High-Temperature Paint Finish
    4367 No
    4368 No
    Muffler Included Yes
    9962 Slip-Fit
    4365 3.00
    Muffler Inlet Location Center
    4366 3.13
    Muffler Outlet Diameter 3.00
    Muffler Outlet Location Center
    4375 1
    Muffler Overall Length 16.75
    Muffler Part Number Kit Only
    4374 1
    Muffler Series Outlaw
    1174 Reflection
    part type Exhaust System
    3530 409 Stainless Steel
    Product Type Exhaust System
    Sound Level Aggressive / Moderate
    4377 No
    Sub Category Exhaust and Tail Pipes
    4369 3.00
    4376 1
    Tail Pipe Quantity Single
    4370 No
    26 Cat-Back
    6014 No
    2126 Not Applicable
    Warning California Proposition 65
    Pipe Color Silver
    9885 4.00
    Description_ABR SYS 22-25 TO
    Description_SHO SYS 22-25 TOYOTA TUN
    Description_INV 22-25 TOYOTA TUNDRA 3.4L OTL-EXT
    Description_ASC Fits 2022-2025 Toyota Tundra with the 3.4-liter engine. Does not fit hybrid models.
    Description_DES Flowmaster Outlaw Extreme Cat-Back Exhaust System
    Description_EXT Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System
    Description_MKT This Flowmaster® Outlaw Extreme cat-back exhaust system for the 2022-2025 Toyota Tundra with the 3.4-liter engine is manufactured using durable 409 stainless steel throughout and features 3.0-inch mandrel bent pipes for better exhaust gas flow. A race inspired Outlaw series muffler is used for maximum performance and delivers an aggressive sound inside and out. This system exits under the truck with a dump style turn down tip for added style and better ground clearance when driving off-road. 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.
    Description_FAB 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
    Description_FAB Turn down exit under the truck increases clearance for extreme off-roading
    Description_FAB Includes complete hardware and factory styled hangers in the stock locations for an easy installation
    Description_FAB Outlaw series muffler delivers an aggressive sound level inside and out, along with increased performance
    Description_FAB Backed by Flowmaster’s Lifetime Limited Warranty
    Description_ABR SYS 22-25 TO
    Description_SHO SYS 22-25 TOYOTA TUN
    Description_INV 22-25 TOYOTA TUNDRA 3.4L OTL-EXT
    Description_ASC Fits 2022-2025 Toyota Tundra with the 3.4-liter engine. Does not fit hybrid models.
    Description_DES Flowmaster Outlaw Extreme Cat-Back Exhaust System
    Description_EXT Fits 2022-2025 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System
    Description_MKT This Flowmaster® Outlaw Extreme cat-back exhaust system for the 2022-2025 Toyota Tundra with the 3.4-liter engine is manufactured using durable 409 stainless steel throughout and features 3.0-inch mandrel bent pipes for better exhaust gas flow. A race inspired Outlaw series muffler is used for maximum performance and delivers an aggressive sound inside and out. This system exits under the truck with a dump style turn down tip for added style and better ground clearance when driving off-road. 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.
    Description_FAB 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
    Description_FAB Turn down exit under the truck increases clearance for extreme off-roading
    Description_FAB Includes complete hardware and factory styled hangers in the stock locations for an easy installation
    Description_FAB Outlaw series muffler delivers an aggressive sound level inside and out, along with increased performance
    Description_FAB Backed by Flowmaster’s Lifetime Limited Warranty


    This Part Fits:

    Year Make Model Submodel Notes
    2022 Toyota Tundra 1794 Edition
    2023 Toyota Tundra 1794 Edition
    2024 Toyota Tundra 1794 Edition
    2025 Toyota Tundra 1794 Edition
    2022 Toyota Tundra Limited
    2023 Toyota Tundra Limited
    2024 Toyota Tundra Limited
    2025 Toyota Tundra Limited
    2022 Toyota Tundra Platinum
    2023 Toyota Tundra Platinum
    2024 Toyota Tundra Platinum
    2025 Toyota Tundra Platinum
    2022 Toyota Tundra SR
    2023 Toyota Tundra SR
    2024 Toyota Tundra SR
    2025 Toyota Tundra SR
    2022 Toyota Tundra SR5
    2023 Toyota Tundra SR5
    2024 Toyota Tundra SR5
    2025 Toyota Tundra SR5
    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.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    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.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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