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International 8100-8300 Exhaust Parts

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  • BESTfit 4 Inch OD-ID X 48 Inch 16 Gauge Aluminized Steel Tube

    BESTfit 4 Inch OD-ID X 48 Inch 16 Gauge Aluminized Steel Tube

    BESTFIT TRUCK PARTS

    $87.99
    BESTfit 4 Inch O.D.-I.D. X 48 Inch 16 Gauge Aluminized Steel TubeOptimize your vehicle's exhaust flow with the precision-crafted BESTfit 4 Inch O.D.-I.D. X 48 Inch 16 Gauge Aluminized Steel Tube...
    09-080100184
    SKU:
    09-080100184
    Diameter Options:
    4 Inch
    Length Options:
    48 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $87.99
    Qty in Cart: 0
    Price:
    $87.99
    Subtotal:
  • BESTfit 4 Inch OD-ID X 24 Inch 16 Gauge Aluminized Steel Tube

    BESTfit 4 Inch OD-ID X 24 Inch 16 Gauge Aluminized Steel Tube

    BESTFIT TRUCK PARTS

    $51.99
    BESTfit 4 Inch O.D.-I.D. X 24 Inch 16 Gauge Aluminized Steel TubeFor those in pursuit of an exhaust system modification, the BESTfit 4 Inch O.D.-I.D. X 24 Inch 16 Gauge Aluminized Steel Tube is the...
    09-080100183
    SKU:
    09-080100183
    Diameter Options:
    4 Inch
    Length Options:
    24 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $51.99
    Qty in Cart: 0
    Price:
    $51.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    BESTfit Aluminized Exhaust Connector 3 OD X 3 OD X 8 Inch

    BESTfit Aluminized Exhaust Connector 3 OD X 3 OD X 8 Inch

    BESTFIT TRUCK PARTS

    Now: $5.27
    Was: $33.96
    BESTfit 3 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Connector* High Quality Connector* Can Be Used To Join Flex Hose Together* Both Ends Have O.D. Connections* Made Of Durable 16 Gauge Aluminized...
    09-080100182
    SKU:
    09-080100182
    Diameter Options:
    3 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    Now: $5.27
    Was: $33.96
    Qty in Cart: 0
    Price:
    Now: $5.27
    Was: $33.96
    Subtotal:
  • BESTfit Aluminized Exhaust Connector 3-1/2 OD X 3-1/2 OD X 8 Inch

    BESTfit Aluminized Exhaust Connector 3-1/2 OD X 3-1/2 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $34.63
    BESTfit 3.5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Connector* High Quality Connector* Can Be Used To Join Flex Hose Together* Both Ends Have O.D. Connections* Made Of Durable 16 Gauge...
    09-080100181
    SKU:
    09-080100181
    Truck Class:
    Universal
    Diameter Options:
    8 Inch
    Length Options:
    3 1/2 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $34.63
    Qty in Cart: 0
    Price:
    $34.63
    Subtotal:
  • BESTfit Aluminized Exhaust Reducer 6 OD X 5 OD X 8 Inch

    BESTfit Aluminized Exhaust Reducer 6 OD X 5 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $40.26
    BESTfit To 5 Inch OD-OD X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer that is made to...
    09-080100170
    SKU:
    09-080100170
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $40.26
    Qty in Cart: 0
    Price:
    $40.26
    Subtotal:
  • BESTfit Chrome Exhaust Adapter Reducer 6 OD X 5 ID X 8 Inch

    BESTfit Chrome Exhaust Adapter Reducer 6 OD X 5 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $106.99
    BESTfit 6 To 5 Inch O.D.-I.D. X 8 Inch OAL Chrome-Plated Steel Reducer PipeDoes your exhaust build have different size pipes? 4 State Trucks offers this high quality reducer that allows pipes of...
    09-080100169
    SKU:
    09-080100169
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 5 ID X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 5 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $45.59
    BESTfit 6 To 5 Inch O.D.-I.D. X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer that is...
    09-080100168
    SKU:
    09-080100168
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $45.59
    Qty in Cart: 0
    Price:
    $45.59
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $53.99
    BESTfit 6 To 4 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer Pipehigh quality reducer that is made to smoothly connect pipes of different size on your exhaust. It is constructed with a premium...
    09-080100167
    SKU:
    09-080100167
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • BESTfit Chrome Exhaust Adapter Reducer 6 ID X 5 OD X 8 Inch

    BESTfit Chrome Exhaust Adapter Reducer 6 ID X 5 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $106.99
    BESTfit 6 To 5 Inch I.D.-O.D. X 8 Inch OAL Chrome-Plated Steel Reducer PipeIf you are looking to connect two different sized exhaust pipes, 4 State Trucks offers this high quality reducer that keeps...
    09-080100166
    SKU:
    09-080100166
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 5 ID X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 5 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $45.59
    BESTfit 6 To 5 Inch I.D.-I.D. X 8 Inch OAL Aluminized Steel Reducer PipeDo you have an exhaust build that is designed with different pipe sizes? 4 State Trucks offers the high quality reducer that...
    09-080100165
    SKU:
    09-080100165
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $45.59
    Qty in Cart: 0
    Price:
    $45.59
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $88.99
    BESTfit 6 To 4 Inch I.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer that is...
    09-080100164
    SKU:
    09-080100164
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $88.99
    Qty in Cart: 0
    Price:
    $88.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 4 ID X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 4 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $70.99
    BESTfit 6 To 4 Inch I.D.-I.D. X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer to...
    09-080100163
    SKU:
    09-080100163
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $70.99
    Qty in Cart: 0
    Price:
    $70.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 5 OD X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 5 OD X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $45.60
    BESTfit 5 To 4 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer to...
    09-080100162
    SKU:
    09-080100162
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $45.60
    Qty in Cart: 0
    Price:
    $45.60
    Subtotal:
  • BESTfit Aluminized Exhaust Reducer 5 OD X 4 ID X 8 Inch

    BESTfit Aluminized Exhaust Reducer 5 OD X 4 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $29.99
    5 To 4 Inch OD-ID X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer that is made to last...
    09-080100161
    SKU:
    09-080100161
    Diameter Options:
    5 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $29.99
    Qty in Cart: 0
    Price:
    $29.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 5 ID X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 5 ID X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $42.43
    BESTfit 5 To 4 Inch I.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeDo you want to ensure your pipe connections fit perfectly and look great? 4 State Trucks high quality reducer that will...
    09-080100160
    SKU:
    09-080100160
    Diameter Options:
    5 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $42.43
    Qty in Cart: 0
    Price:
    $42.43
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminized Exhaust Reducer 5 ID X 4 ID X 8 Inch

    BESTfit Aluminized Exhaust Reducer 5 ID X 4 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $34.84
    BESTfit 5 To 4 Inch ID-ID X 8 Inch OAL Aluminized Steel Reducer PipeAre you looking for a reducer to ensure your exhaust pipes fit perfectly? 4 State Trucks offers this high quality reducer that will...
    09-080100159
    SKU:
    09-080100159
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $34.84
    Qty in Cart: 0
    Price:
    $34.84
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 4 OD X 3 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 4 OD X 3 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $21.74
    BESTfit 4 To 3 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer Pipe4 State Trucks offers this high quality reducer that will securely connect two different sized pipes on an exhaust with ease...
    09-080100158
    SKU:
    09-080100158
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Product Type:
    Exhaust
    $21.74
    Qty in Cart: 0
    Price:
    $21.74
    Subtotal:
  • BESTfit Aluminized Exhaust Reducer 4 OD X 3 ID X 6 Inch

    BESTfit Aluminized Exhaust Reducer 4 OD X 3 ID X 6 Inch

    BESTFIT TRUCK PARTS

    $22.04
    BESTfit 4 To 3 Inch OD-ID X 6 Inch OAL Aluminized Steel Reducer PipeSupport proper exhaust routing with this BESTfit aluminized steel exhaust reducer built for dependable performance in demanding...
    09-080100157
    SKU:
    09-080100157
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $22.04
    Qty in Cart: 0
    Price:
    $22.04
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 4 OD X 3-1/2 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 4 OD X 3-1/2 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $26.71
    BESTfit 4 To 3.5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeTransform your exhaust's appearance with the BESTfit 4 to 3.5 Inch OD-OD Aluminized Steel Reducer Pipe. Offering a precise...
    09-080100156
    SKU:
    09-080100156
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $26.71
    Qty in Cart: 0
    Price:
    $26.71
    Subtotal:
  • BESTfit Aluminized Exhaust Reducer 4 OD X 3-1/2 ID X 8 Inch

    BESTfit Aluminized Exhaust Reducer 4 OD X 3-1/2 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $24.93
    BESTfit 4 To 3.5 Inch OD-ID X 8 Inch OAL Aluminized Steel Reducer PipeUpgrade your exhaust system with our Aluminized Exhaust Reducer, designed to transition from a 4-inch OD to a 3.5-inch ID over an...
    09-080100155
    SKU:
    09-080100155
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $24.93
    Qty in Cart: 0
    Price:
    $24.93
    Subtotal:
  • Total: items /

Adding your products to cart

The International 8100-8300 Exhaust category offers high-quality components to improve your truck's performance and appearance. This selection includes exhaust systems, pipes, clamps, and accessories that perfectly fit the International 8100-8300 models. Whether upgrading sound and style or maintaining efficiency, you'll find options like chrome stacks, mufflers, flexible piping, and mounting hardware. All parts are built to the highest standards, ensuring the best exhaust solutions for your truck.

Frequently Asked Questions About International 8100-8300 Exhaust Parts

Will these exhaust parts fit my specific International 8100-8300 model year?

Most exhaust components for International 8100-8300 series trucks are compatible across model years 1989-2004, but there are important variations. The 8100 and 8200 models typically share the same exhaust routing, while 8300 models may have different configurations depending on engine type (DT466, DT530, or Caterpillar variants). Always verify your engine model and chassis configuration before ordering. Key differences include exhaust pipe diameter (4" vs 5"), turbo vs non-turbo applications, and single vs dual exhaust systems.

What material options are available and which is best for my application?

Exhaust parts for these trucks come in three main materials: aluminized steel, 409 stainless steel, and 304 stainless steel. Aluminized steel offers good corrosion resistance at an economical price point and typically lasts 3-5 years. 409 stainless provides better durability (5-7 years) and handles higher temperatures well. 304 stainless is the premium option with superior corrosion resistance and 7-10+ year lifespan, ideal for trucks operating in harsh weather conditions or with high annual mileage. Chrome options are available for stacks and tips for aesthetic purposes.

Can I install these exhaust parts myself or do I need professional installation?

Most straight pipe sections, mufflers, and clamps can be installed with basic tools and mechanical knowledge. However, manifold replacements, turbo-to-exhaust connections, and complete system overhauls often require professional installation due to tight clearances and the need for proper alignment. Common DIY challenges include dealing with rusted fasteners, ensuring proper pipe alignment to prevent leaks, and achieving correct back-pressure specifications. Budget 2-4 hours for muffler replacement and 4-8 hours for complete system installation.

What exhaust configuration differences exist between cab styles?

The exhaust routing varies significantly based on your truck's cab configuration. Day cab models typically have shorter exhaust runs with the stack or exit positioned just behind the cab. Extended cab and sleeper models require longer intermediate pipes and may have different hanger locations. Measurements are critical - day cabs usually need 36-48 inch straight pipes while sleepers may require 60-72 inch sections. Some 8300 models with set-back axles also require special offset configurations to clear the frame rails properly.

How do I know when to replace exhaust components versus repairing them?

Replace exhaust parts when you notice excessive rust penetration (holes larger than 1/4 inch), cracks at flex points or hangers, or internal muffler damage causing rattling. Minor surface rust and small pinholes can often be temporarily repaired with high-temperature patches or sleeves. Warning signs include increased engine noise, visible exhaust leaks (look for black soot deposits), decreased fuel economy, and exhaust fumes entering the cab. Mufflers typically need replacement every 100,000-150,000 miles, while quality pipes can last 200,000+ miles with proper maintenance.


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