Skip to Product Info
    • Flowmaster American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster 817895
    • Flowmaster American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster 817895
    • Flowmaster American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster 817895
    • Flowmaster American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster 817895
    • Flowmaster American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster 817895
    • FLO817895.jpg
    • American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster
    Sale!

    Flowmaster American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster 817895

    Vendor: Flowmaster
    SKU: BDXN_817895
    Save $144
    Sale Price $1,149.95 Regular Price $1,293.95
    Free Shipping on Orders Over $99
    Professional, Enthusiast-Driven Customer Support
    International Shipping Available - Contact Us!
    Payment & Security

    Payments are processed through secure, encrypted systems. Your credit card details are never stored or accessible by us.

    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa

    This Flowmaster American Thunder cat-back exhaust system for the 2019-2026 GM 1500 (new body style) trucks with 5.3L engine is perfect for the person looking for an aggressive sound level outside the truck, with a moderate interior tone and the performance benefits you would expect from Flowmaster. This emissions-legal bolt-on system fits all Crew Cab and Double Cab models with 5.5 and 6.5-ft long beds with factory dual exhaust option.

    Features include flex joint, mandrel-bent 3.00-inch stainless steel tubing flowing into a Super 40 Series muffler, dual 2.50-inch mandrel-bent stainless tailpipes that are finished off with quad 4.00-inch black ceramic coated stainless steel tips exiting out under the factory exhaust bezels. Designed for an easy fit, this system includes all necessary parts and hardware for an easy at home installation. Maximum dyno gains of 15 hp and 19 lb.ft. at the rear wheels. Notes: Fits 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine. Fits models with 5.5 and 6.5-ft long beds with factory dual exhaust option.

    • Large 4.00-inch Black Ceramic Coated Stainless Quad Tips
    • Max Dyno Gains of 15 hp and 19 lb.ft. of Torque
    • Moderate Interior with Aggressive Exterior Tone
    • Uses the Factory Hanger Locations
    • Large Volume Super 40 Muffler
    • Stainless Steel Construction
    • Lifetime Limited Warranty
    • Easy Installation


    Flowmaster American Thunder Cat-Back Exhaust System Fits 2019-2026 (New Body) Chevrolet Silverado 1500/Gmc Sierra 1500 With 5.3L Engine Aggressive To Moderate Sound Flowmaster 817895


    Specifications:

    Country of Origin USA
    Sold As Kit
    UPC 700042039029
    Availability Available
    Exhaust Type Cat Back
    Exit Style Dual Out Rear
    Mount Style Welded
    Shape Oval


    This Part Fits:

    Year Make Model Submodel Notes
    2019 GMC Sierra 1500 AT4
    2020 GMC Sierra 1500 AT4
    2021 GMC Sierra 1500 AT4
    2019 GMC Sierra 1500 SLT
    2020 GMC Sierra 1500 SLT
    2021 GMC Sierra 1500 SLT
    2022 GMC Sierra 1500 SLT
    2023 GMC Sierra 1500 SLT
    2024 GMC Sierra 1500 SLT
    2025 GMC Sierra 1500 SLT
    2026 GMC Sierra 1500 SLT
    2019 GMC Sierra 1500 SLE
    2020 GMC Sierra 1500 SLE
    2021 GMC Sierra 1500 SLE
    2022 GMC Sierra 1500 SLE
    2023 GMC Sierra 1500 SLE
    2024 GMC Sierra 1500 SLE
    2025 GMC Sierra 1500 SLE
    2026 GMC Sierra 1500 SLE
    2019 Chevrolet Silverado 1500 LTZ
    2020 Chevrolet Silverado 1500 LTZ
    2021 Chevrolet Silverado 1500 LTZ
    2022 Chevrolet Silverado 1500 LTZ
    2023 Chevrolet Silverado 1500 LTZ
    2024 Chevrolet Silverado 1500 LTZ
    2025 Chevrolet Silverado 1500 LTZ
    2026 Chevrolet Silverado 1500 LTZ
    2019 GMC Sierra 1500
    2020 GMC Sierra 1500
    2021 GMC Sierra 1500
    2019 Chevrolet Silverado 1500 LT Trail Boss
    2020 Chevrolet Silverado 1500 LT Trail Boss
    2021 Chevrolet Silverado 1500 LT Trail Boss
    2022 Chevrolet Silverado 1500 LT Trail Boss
    2023 Chevrolet Silverado 1500 LT Trail Boss
    2024 Chevrolet Silverado 1500 LT Trail Boss
    2025 Chevrolet Silverado 1500 LT Trail Boss
    2026 Chevrolet Silverado 1500 LT Trail Boss
    2019 Chevrolet Silverado 1500 LT
    2020 Chevrolet Silverado 1500 LT
    2021 Chevrolet Silverado 1500 LT
    2022 Chevrolet Silverado 1500 LT
    2023 Chevrolet Silverado 1500 LT
    2024 Chevrolet Silverado 1500 LT
    2025 Chevrolet Silverado 1500 LT
    2026 Chevrolet Silverado 1500 LT
    2019 Chevrolet Silverado 1500 High Country
    2020 Chevrolet Silverado 1500 High Country
    2021 Chevrolet Silverado 1500 High Country
    2022 Chevrolet Silverado 1500 High Country
    2023 Chevrolet Silverado 1500 High Country
    2024 Chevrolet Silverado 1500 High Country
    2025 Chevrolet Silverado 1500 High Country
    2026 Chevrolet Silverado 1500 High Country
    2019 Chevrolet Silverado 1500 RST
    2020 Chevrolet Silverado 1500 RST
    2021 Chevrolet Silverado 1500 RST
    2022 Chevrolet Silverado 1500 RST
    2023 Chevrolet Silverado 1500 RST
    2024 Chevrolet Silverado 1500 RST
    2025 Chevrolet Silverado 1500 RST
    2026 Chevrolet Silverado 1500 RST
    2019 GMC Sierra 1500 Elevation
    2020 GMC Sierra 1500 Elevation
    2021 GMC Sierra 1500 Elevation
    2022 GMC Sierra 1500 Elevation
    2023 GMC Sierra 1500 Elevation
    2024 GMC Sierra 1500 Elevation
    2025 GMC Sierra 1500 Elevation
    2026 GMC Sierra 1500 Elevation
    2019 Chevrolet Silverado 1500 SSV
    2020 Chevrolet Silverado 1500 SSV
    2021 Chevrolet Silverado 1500 SSV
    2019 GMC Sierra 1500 Denali
    2020 GMC Sierra 1500 Denali
    2021 GMC Sierra 1500 Denali
    2022 GMC Sierra 1500 Denali
    2023 GMC Sierra 1500 Denali
    2024 GMC Sierra 1500 Denali
    2025 GMC Sierra 1500 Denali
    2026 GMC Sierra 1500 Denali
    2019 Chevrolet Silverado 1500 Custom Trail Boss
    2020 Chevrolet Silverado 1500 Custom Trail Boss
    2021 Chevrolet Silverado 1500 Custom Trail Boss
    2022 Chevrolet Silverado 1500 Custom Trail Boss
    2023 Chevrolet Silverado 1500 Custom Trail Boss
    2024 Chevrolet Silverado 1500 Custom Trail Boss
    2025 Chevrolet Silverado 1500 Custom Trail Boss
    2026 Chevrolet Silverado 1500 Custom Trail Boss
    2019 Chevrolet Silverado 1500 Custom
    2020 Chevrolet Silverado 1500 Custom
    2021 Chevrolet Silverado 1500 Custom
    2022 GMC Sierra 1500 Limited SLT
    2022 GMC Sierra 1500 Limited SLE
    2022 Chevrolet Silverado 1500 LTD RST
    2022 Chevrolet Silverado 1500 LTD LT Trail Boss
    2022 GMC Sierra 1500 Limited Pro
    2022 GMC Sierra 1500 Pro
    2023 GMC Sierra 1500 Pro
    2024 GMC Sierra 1500 Pro
    2025 GMC Sierra 1500 Pro
    2026 GMC Sierra 1500 Pro
    2022 Chevrolet Silverado 1500 LTD LTZ
    2022 Chevrolet Silverado 1500 LTD LT
    2022 Chevrolet Silverado 1500 LTD High Country
    2022 GMC Sierra 1500 Limited Elevation
    2022 GMC Sierra 1500 Limited Denali
    2022 Chevrolet Silverado 1500 LTD SSV
    2023 Chevrolet Silverado 1500 PPV
    2024 Chevrolet Silverado 1500 PPV
    2025 Chevrolet Silverado 1500 PPV
    2026 Chevrolet Silverado 1500 PPV
    Shipping Policy

    Cancellations

    Once an order is placed, in most cases it cannot be cancelled as they are sent for fulfillment almost immediately after receiving the order. If there is an ability to cancel the order, the buyer is responsible for the transaction fees charged from the transaction.

    Processing Time

    In-stock orders are typically processed and shipped within 1–2 business days of receiving payment, unless otherwise stated on the product page. Orders placed on weekends or holidays will be processed on the next business day.

    Shipping Costs

    Shipping costs are calculated based on the shipping method selected, the weight and dimensions of the package, and the destination address. You can view the shipping costs for your order during the checkout process before finalizing your purchase.

    Tracking Information

    Once your order has been shipped, you will receive a shipping confirmation email with tracking information. You can use this information to track the status of your package and monitor its delivery progress.

    Delivery Time

    While we make every effort to ensure timely delivery, please note that delivery times may vary due to factors beyond our control, such as weather conditions or carrier delays.

    International Shipping

    For international orders, please be aware that customs duties, taxes, and other fees may apply upon delivery. These additional charges are the responsibility of the recipient and are not included in the shipping cost paid at checkout. Please check with your local customs office for information on potential fees before placing your order.

    Shipping Address

    Please ensure that the shipping address provided during checkout is accurate and complete. We are not responsible for orders shipped to incorrect or undeliverable addresses due to customer error.

    Return Policy

    Return Period

    You have up to 30 days from the date of purchase to return eligible items.

    Condition of the Item

    A 20% restocking fee will apply to cover inspection, processing, and repackaging costs.

    Items must be returned in new, unused condition and include all original packaging, hardware, and documentation.

    Return Shipping

    The cost of return shipping is the responsibility of the buyer unless the item was received damaged, defective, or incorrect.

    Return Authorization

    Before returning any item, please contact our customer service team to obtain a Return Merchandise Authorization (RMA) number. Items returned without an RMA may not be accepted.

    Refund Processing

    Once the returned item is received and inspected, we will initiate the refund process. Please allow 2–5 days for the refund to be processed and credited to the original payment method. Bank processing times may vary.

    Damaged or Defective Items

    If you receive a damaged, defective, or incorrect item, contact us immediately for assistance. We’ll work quickly to resolve the issue or send a replacement.

    Final Sale Items

    Certain items may be marked as Final Sale and are not eligible for return or exchange. These will be clearly noted on the product page.

    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.

    Recently Viewed