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  • American Thunder Cat-Back Exhaust System 1986-1991 Chevrolet Camaro And Pontiac Firebird With A 5.0L Or 5.7L Engine Using 2.50-Inch Flanged Catalytic Converter Moderate Sound Flowmaster
  • American Thunder Cat-Back Exhaust System 1986-1991 Chevrolet Camaro And Pontiac Firebird With A 5.0L Or 5.7L Engine Using 2.50-Inch Flanged Catalytic Converter Moderate Sound Flowmaster
  • American Thunder Cat-Back Exhaust System 1986-1991 Chevrolet Camaro And Pontiac Firebird With A 5.0L Or 5.7L Engine Using 2.50-Inch Flanged Catalytic Converter Moderate Sound Flowmaster
  • American Thunder Cat-Back Exhaust System 1986-1991 Chevrolet Camaro And Pontiac Firebird With A 5.0L Or 5.7L Engine Using 2.50-Inch Flanged Catalytic Converter Moderate Sound Flowmaster
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  • 17234.jpg
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    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17234
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17234
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17234
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17234
    • FLO17234.jpg
    • American Thunder Cat-Back Exhaust System 1986-1991 Chevrolet Camaro And Pontiac Firebird With A 5.0L Or 5.7L Engine Using 2.50-Inch Flanged Catalytic Converter Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System 1986-1991 Chevrolet Camaro And Pontiac Firebird With A 5.0L Or 5.7L Engine Using 2.50-Inch Flanged Catalytic Converter Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System 1986-1991 Chevrolet Camaro And Pontiac Firebird With A 5.0L Or 5.7L Engine Using 2.50-Inch Flanged Catalytic Converter Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System 1986-1991 Chevrolet Camaro And Pontiac Firebird With A 5.0L Or 5.7L Engine Using 2.50-Inch Flanged Catalytic Converter Moderate Sound Flowmaster
    • 17234.jpg
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    • moderatesoundlevel.jpg
    • 17234.jpg
    • 17234_2.jpg
    • 17234_3.jpg
    • moderatesoundlevel.jpg
    Sale!

    Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17234

    Vendor: Flowmaster
    Part Number: 17234
    Save $91
    $727.95 $818.95

    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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    Product DetailsFAQReviewsRelated Products
    For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides. This dual out American Thunder cat-back exhaust system is the perfect choice with a 2.50-inch flanged pipe connecting directly to the catalytic converter and quickly transitioning to a full 3.00-inch mandrel-bent aluminized steel inlet tube flowing into a large case 80 Series Cross-flow performance muffler for a deep powerful sound. The system uses the factory hanger locations for an easy installation and features dual 3.00-inch mandrel-bent tailpipes exiting out the back and are finished off with dual 3.00-inch polished stainless steel tips for a muscular look and sound. American Thunder systems deliver a moderate to aggressive exterior tone with a mild-moderate interior tone and are best suited for the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. Comes with our 3-year Limited Warranty.


    Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17234


    Specifications:

    Brand Flowmaster
    Brand Flowmaster
    California Proposition 65 Yes
    California Proposition 65 Yes
    California Proposition 65 Chemical Name Nickel (Metallic)
    California Proposition 65 Chemical Name Nickel (Metallic)
    California Proposition 65 Chemical Name Chromium (hexavalent compounds)
    California Proposition 65 Chemical Name Chromium (hexavalent compounds)
    CARB (California) Compliant Yes
    CARB (California) Compliant Yes
    Catalytic Converter Included No
    Catalytic Converter Included No
    2874 0
    2874 0
    Category Exhaust
    Category Exhaust
    Clamping Type U-Bolt
    Clamping Type U-Bolt
    1882 Yes
    1882 Yes
    Emission Code 5
    Emission Code 5
    Exhaust Series American Thunder
    Exhaust Series American Thunder
    9874 Welded
    9874 Welded
    9876 Angled
    9876 Angled
    1162 3.00
    1162 3.00
    9877 Slash Cut
    9877 Slash Cut
    1163 Polished
    1163 Polished
    9881 No
    9881 No
    10104 18.75
    10104 18.75
    1164 304 Stainless Steel
    1164 304 Stainless Steel
    1161 2
    1161 2
    9878 No
    9878 No
    10980 Round
    10980 Round
    9875 Single Wall
    9875 Single Wall
    9870 Dual Out Rear
    9870 Dual Out Rear
    200 Aluminized
    200 Aluminized
    353 No
    353 No
    3390 Performance
    3390 Performance
    4364 Yes
    4364 Yes
    Heat Shield Included No
    Heat Shield Included No
    Inlet Diameter 2.50
    Inlet Diameter 2.50
    596 Flanged
    596 Flanged
    9871 3.00
    9871 3.00
    92 No
    92 No
    9884 5.00
    9884 5.00
    1892 17.00
    1892 17.00
    4372 Aluminized Steel
    4372 Aluminized Steel
    4373 Oval
    4373 Oval
    9882 Black High-Temperature Paint Finish
    9882 Black High-Temperature Paint Finish
    4367 No
    4367 No
    4368 No
    4368 No
    Muffler Included Yes
    Muffler Included Yes
    9962 Slip-Fit
    9962 Slip-Fit
    4365 2.50
    4365 2.50
    4366 3.00
    4366 3.00
    9963 Slip-Fit
    9963 Slip-Fit
    4375 2
    4375 2
    Muffler Part Number Kit Only
    Muffler Part Number Kit Only
    4374 1
    4374 1
    Muffler Series 80 Series Crossflow
    Muffler Series 80 Series Crossflow
    1174 Chambered
    1174 Chambered
    part type Exhaust System
    part type Exhaust System
    3530 Aluminized Steel
    3530 Aluminized Steel
    Product Type Exhaust System
    Product Type Exhaust System
    Sound Level Moderate
    Sound Level Moderate
    4377 No
    4377 No
    Sub Category Exhaust and Tail Pipes
    Sub Category Exhaust and Tail Pipes
    4369 3.00
    4369 3.00
    4376 2
    4376 2
    Tail Pipe Quantity Dual
    Tail Pipe Quantity Dual
    4370 No
    4370 No
    26 Cat-Back
    26 Cat-Back
    6014 No
    6014 No
    2126 Not Applicable
    2126 Not Applicable
    Warning California Proposition 65
    Warning California Proposition 65
    Pipe Color Silver
    Pipe Color Silver
    Drive 2WD
    Drive 2WD
    9885 10.00
    9885 10.00
    Description_ABR SYS 86-91 CH
    Description_SHO SYS 86-91 CHEV CAMAR
    Description_INV 86-91 CHEV CAMARO/'PONT FRBRD AMT
    Description_ASC Fits 1986-1991 Chevrolet Camaro and Pontiac Firebird with a 5.0L or 5.7L engine using 2.50-inch flanged catalytic converter.
    Description_DES Flowmaster American Thunder Cat-back Exhaust System
    Description_EXT 1986-1991 Chevrolet Camaro and Pontiac Firebird with a 5.0L or 5.7L Engine using 2.50-inch Flanged Catalytic Converter. - Moderate sound
    Description_MKT For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides. This dual out American Thunder cat-back exhaust system is the perfect choice with a 2.50-inch flanged pipe connecting directly to the catalytic converter and quickly transitioning to a full 3.00-inch mandrel-bent aluminized steel inlet tube flowing into a large case 80 Series Cross-flow performance muffler for a deep powerful sound. The system uses the factory hanger locations for an easy installation and features dual 3.00-inch mandrel-bent tailpipes exiting out the back and are finished off with dual 3.00-inch polished stainless steel tips for a muscular look and sound. American Thunder systems deliver a moderate to aggressive exterior tone with a mild-moderate interior tone and are best suited for the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. Comes with our 3-year Limited Warranty.
    Description_FAB Includes Hangers and Hardware for an Easy Installation
    Description_FAB Mandrel-bent 16-gauge Aluminized Steel Tubing
    Description_FAB For 2.50-inch Flanged Catalytic Converters
    Description_FAB 80 Series Crossflow Performance Muffler
    Description_FAB Dyno Tuned for Maximum Performance
    Description_FAB Uses the Factory Hanger Locations
    Description_FAB Moderate Exterior Exhaust Tone
    Description_FAB Mild Interior Tone
    Description_FAB Easy Installation
    Description_ABR SYS 86-91 CH
    Description_SHO SYS 86-91 CHEV CAMAR
    Description_INV 86-91 CHEV CAMARO/'PONT FRBRD AMT
    Description_ASC Fits 1986-1991 Chevrolet Camaro and Pontiac Firebird with a 5.0L or 5.7L engine using 2.50-inch flanged catalytic converter.
    Description_DES Flowmaster American Thunder Cat-back Exhaust System
    Description_EXT 1986-1991 Chevrolet Camaro and Pontiac Firebird with a 5.0L or 5.7L Engine using 2.50-inch Flanged Catalytic Converter. - Moderate sound
    Description_MKT For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides. This dual out American Thunder cat-back exhaust system is the perfect choice with a 2.50-inch flanged pipe connecting directly to the catalytic converter and quickly transitioning to a full 3.00-inch mandrel-bent aluminized steel inlet tube flowing into a large case 80 Series Cross-flow performance muffler for a deep powerful sound. The system uses the factory hanger locations for an easy installation and features dual 3.00-inch mandrel-bent tailpipes exiting out the back and are finished off with dual 3.00-inch polished stainless steel tips for a muscular look and sound. American Thunder systems deliver a moderate to aggressive exterior tone with a mild-moderate interior tone and are best suited for the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. Comes with our 3-year Limited Warranty.
    Description_FAB Includes Hangers and Hardware for an Easy Installation
    Description_FAB Mandrel-bent 16-gauge Aluminized Steel Tubing
    Description_FAB For 2.50-inch Flanged Catalytic Converters
    Description_FAB 80 Series Crossflow Performance Muffler
    Description_FAB Dyno Tuned for Maximum Performance
    Description_FAB Uses the Factory Hanger Locations
    Description_FAB Moderate Exterior Exhaust Tone
    Description_FAB Mild Interior Tone
    Description_FAB Easy Installation


    This Part Fits:

    Year Make Model Submodel Notes
    1988 Chevrolet Camaro Base
    1986 Chevrolet Camaro Berlinetta
    1986 Chevrolet Camaro Iroc-Z
    1987 Chevrolet Camaro Iroc-Z
    1987 Chevrolet Camaro Iroc-Z
    1988 Chevrolet Camaro Iroc-Z
    1988 Chevrolet Camaro Iroc-Z
    1989 Chevrolet Camaro Iroc-Z
    1989 Chevrolet Camaro Iroc-Z
    1990 Chevrolet Camaro Iroc-Z
    1990 Chevrolet Camaro Iroc-Z
    1987 Chevrolet Camaro LT
    1989 Chevrolet Camaro RS
    1990 Chevrolet Camaro RS
    1991 Chevrolet Camaro RS
    1986 Chevrolet Camaro Sport
    1987 Chevrolet Camaro Sport
    1991 Chevrolet Camaro Z28
    1986 Pontiac Firebird Base
    1987 Pontiac Firebird Base
    1987 Pontiac Firebird Base
    1988 Pontiac Firebird Base
    1988 Pontiac Firebird Base
    1989 Pontiac Firebird Base
    1990 Pontiac Firebird Base
    1991 Pontiac Firebird Base
    1989 Pontiac Firebird Formula
    1989 Pontiac Firebird Formula
    1990 Pontiac Firebird Formula
    1990 Pontiac Firebird Formula
    1991 Pontiac Firebird Formula
    1991 Pontiac Firebird Formula
    1986 Pontiac Firebird S/E
    1986 Pontiac Firebird Trans Am
    1987 Pontiac Firebird Trans Am
    1987 Pontiac Firebird Trans Am
    1988 Pontiac Firebird Trans Am
    1988 Pontiac Firebird Trans Am
    1989 Pontiac Firebird Trans Am
    1989 Pontiac Firebird Trans Am
    1990 Pontiac Firebird Trans Am
    1990 Pontiac Firebird Trans Am
    1991 Pontiac Firebird Trans Am
    1991 Pontiac Firebird Trans Am
    1989 Pontiac Firebird Trans Am GTA
    1989 Pontiac Firebird Trans Am GTA
    1990 Pontiac Firebird Trans Am GTA
    1990 Pontiac Firebird Trans Am GTA
    1991 Pontiac Firebird Trans Am GTA
    1991 Pontiac Firebird Trans Am GTA
    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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