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    • Flowmaster 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster 42582
    • Flowmaster 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster 42582
    • Flowmaster 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster 42582
    • Flowmaster 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster 42582
    • Flowmaster 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster 42582
    • FLO42582.jpg
    • 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster
    • 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster
    • 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster
    Sale!

    Flowmaster 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster 42582

    Vendor: Flowmaster
    SKU: BDXN_42582
    Save $32
    Sale Price $255.95 Regular Price $287.95
    Free Shipping on Orders Over $99
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    The 80 series is a cross-flow design for applications where the muffler is mounted transversely behind the rear end. Each end of the muffler has an inlet and outlet.

    Delivering an aggressive muscle car sound both inside and outside the vehicle, this is an excellent replacement for Camaros & Firebirds with transverse mufflers. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

    • Aggressive Sound Exterior Exhaust Tone
    • Noticeable interior resonance
    • The original two chamber design
    • Cross Flow Applications


    Flowmaster 80 Series Chambered Muffler 80 Series Crossflow 2.50 Dual In 2.50 Dual Out Aggressive Sound Flowmaster 42582


    Specifications:

    Country of Origin USA
    Sold As Kit
    UPC 700042014750
    Availability Available
    Universal Yes
    Inlet Location Dual
    Mount Style Uses New Hangers (Not Included)
    Shape Oval


    This Part Fits:

    Year Make Model Submodel Notes
    1967 Pontiac Firebird 326
    1967 Chevrolet Camaro RS
    1967 Chevrolet Camaro SS
    1968 Chevrolet Camaro SS
    1969 Chevrolet Camaro SS
    1970 Chevrolet Camaro SS
    1971 Chevrolet Camaro SS
    1972 Chevrolet Camaro SS
    1967 Pontiac Firebird Sprint
    1968 Pontiac Firebird Sprint
    1969 Pontiac Firebird Sprint
    1967 Pontiac Firebird HO
    1968 Pontiac Firebird HO
    1967 Pontiac Firebird
    1968 Pontiac Firebird
    1969 Pontiac Firebird
    1970 Pontiac Firebird
    1971 Pontiac Firebird
    1972 Pontiac Firebird
    1973 Pontiac Firebird
    1974 Pontiac Firebird
    1975 Pontiac Firebird
    1976 Pontiac Firebird
    1977 Pontiac Firebird
    1978 Pontiac Firebird
    1979 Pontiac Firebird
    1980 Pontiac Firebird
    1981 Pontiac Firebird
    1967 Pontiac Firebird 400
    1968 Pontiac Firebird 400
    1969 Pontiac Firebird 400
    1968 Chevrolet Chevy II Nova
    1968 Pontiac Firebird 350
    1969 Pontiac Firebird 350
    1969 Pontiac Firebird Trans Am
    1970 Pontiac Firebird Trans Am
    1971 Pontiac Firebird Trans Am
    1972 Pontiac Firebird Trans Am
    1973 Pontiac Firebird Trans Am
    1974 Pontiac Firebird Trans Am
    1975 Pontiac Firebird Trans Am
    1976 Pontiac Firebird Trans Am
    1977 Pontiac Firebird Trans Am
    1978 Pontiac Firebird Trans Am
    1979 Pontiac Firebird Trans Am
    1980 Pontiac Firebird Trans Am
    1981 Pontiac Firebird Trans Am
    1969 Pontiac Firebird 350 HO
    1969 Chevrolet Camaro RS
    1970 Chevrolet Camaro RS
    1971 Chevrolet Camaro RS
    1972 Chevrolet Camaro RS
    1973 Chevrolet Camaro RS
    1969 Chevrolet Camaro
    1970 Chevrolet Camaro
    1971 Chevrolet Camaro
    1972 Chevrolet Camaro
    1973 Chevrolet Camaro
    1974 Chevrolet Camaro
    1975 Chevrolet Camaro
    1976 Chevrolet Camaro
    1977 Chevrolet Camaro
    1978 Chevrolet Camaro
    1979 Chevrolet Camaro
    1980 Chevrolet Camaro
    1969 Chevrolet Nova
    1970 Chevrolet Nova
    1971 Chevrolet Nova
    1972 Chevrolet Nova
    1973 Chevrolet Nova
    1974 Chevrolet Nova
    1970 Pontiac Firebird Esprit
    1971 Pontiac Firebird Esprit
    1972 Pontiac Firebird Esprit
    1973 Pontiac Firebird Esprit
    1974 Pontiac Firebird Esprit
    1975 Pontiac Firebird Esprit
    1976 Pontiac Firebird Esprit
    1977 Pontiac Firebird Esprit
    1978 Pontiac Firebird Esprit
    1979 Pontiac Firebird Esprit
    1980 Pontiac Firebird Esprit
    1981 Pontiac Firebird Esprit
    1970 Pontiac Firebird Formula
    1971 Pontiac Firebird Formula
    1972 Pontiac Firebird Formula
    1973 Pontiac Firebird Formula
    1974 Pontiac Firebird Formula
    1975 Pontiac Firebird Formula
    1976 Pontiac Firebird Formula
    1977 Pontiac Firebird Formula
    1978 Pontiac Firebird Formula
    1979 Pontiac Firebird Formula
    1980 Pontiac Firebird Formula
    1981 Pontiac Firebird Formula
    1970 Chevrolet Camaro Z28
    1971 Chevrolet Camaro Z28
    1972 Chevrolet Camaro Z28
    1973 Chevrolet Camaro Z28
    1974 Chevrolet Camaro Z28
    1973 Chevrolet Camaro LT
    1974 Chevrolet Camaro LT
    1975 Chevrolet Camaro LT
    1976 Chevrolet Camaro LT
    1977 Chevrolet Camaro LT
    1978 Chevrolet Camaro LT
    1973 Chevrolet Nova Custom
    1974 Chevrolet Nova Custom
    1975 Chevrolet Camaro RS
    1976 Chevrolet Camaro LT Rally Sport
    1977 Chevrolet Camaro LT Rally Sport
    1978 Chevrolet Camaro LT Rally Sport
    1976 Chevrolet Camaro Rally Sport
    1977 Chevrolet Camaro Rally Sport
    1978 Chevrolet Camaro Rally Sport
    1979 Chevrolet Camaro Rally Sport
    1980 Chevrolet Camaro Rally Sport
    1977 Chevrolet Camaro Z28
    1978 Chevrolet Camaro Z28
    1979 Chevrolet Camaro Z28
    1980 Chevrolet Camaro Z28
    1981 Chevrolet Camaro Z28
    1979 Chevrolet Camaro Berlinetta
    1980 Chevrolet Camaro Berlinetta
    1981 Chevrolet Camaro Berlinetta
    1981 Chevrolet Camaro Sport
    1985 Buick Regal Grand National
    1986 Buick Regal Grand National
    1987 Buick Regal Grand National
    1987 Buick Regal GNX
    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

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    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.

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