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International DuraStar Exhaust Parts

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  • Price
  • Subtotal
  • BESTfit 3.5 ID/OD X 6 Inch Inch Aluminized Turbo Outlet Adapter With Flange Style B For Detroit 8V71

    BESTfit 3.5 ID/OD X 6 Inch Inch Aluminized Turbo Outlet Adapter With Flange Style B For Detroit 8V71

    BESTFIT TRUCK PARTS

    $31.83
    BESTfit 3.5 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type B Turbo Pipe With 4.25 Inch Diameter Flange Fits Detroit 8V71Get the perfect fit for your Detroit Diesel 8V71 Engine with this quality...
    09-080100191
    SKU:
    09-080100191
    Truck Class:
    Universal
    Diameter Options:
    3 1/2 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $31.83
    Qty in Cart: 0
    Price:
    $31.83
    Subtotal:
  • 3.5 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo Pipe With 4.07 Inch Diameter Flange For CAT 3208T

    3.5 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo Pipe With 4.07 Inch Diameter Flange For CAT 3208T

    BESTFIT TRUCK PARTS

    $33.06
    3.5 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo PipeOptimize your CAT 3208T turbo system with the Type A Turbo Pipe, 3.5 Inch ID-OD X 4 Inch OAL, designed for durability, reliability, and...
    09-080100190
    SKU:
    09-080100190
    Truck Class:
    Universal
    Diameter Options:
    3 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    4 Inch
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $33.06
    Qty in Cart: 0
    Price:
    $33.06
    Subtotal:
  • BESTfit 3.5 ID/OD X 6 InchTurbo Outlet Adapter With Flange Style A For Detroit Diesel

    BESTfit 3.5 ID/OD X 6 InchTurbo Outlet Adapter With Flange Style A For Detroit Diesel

    BESTFIT TRUCK PARTS

    $28.65
    BESTfit 3.5 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 4 Inch Diameter Flange Fits Detroit DieselGet the perfect fit with this quality type A manifold outlet. It is made of a...
    09-080100189
    SKU:
    09-080100189
    Diameter Options:
    3 Inch
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $28.65
    Qty in Cart: 0
    Price:
    $28.65
    Subtotal:
  • BESTfit 3 ID/OD X 6 Inch Turbo Outlet Adapter With Flange Style A

    BESTfit 3 ID/OD X 6 Inch Turbo Outlet Adapter With Flange Style A

    BESTFIT TRUCK PARTS

    $29.86
    BESTfit 3 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 3.75 Inch Diameter FlangeGet the perfect fit with this quality type A manifold outlet. It is made of a rust and corrosion...
    09-080100188
    SKU:
    09-080100188
    Diameter Options:
    3 Inch
    Truck Class:
    Universal
    Style Options:
    Flanged
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $29.86
    Qty in Cart: 0
    Price:
    $29.86
    Subtotal:
  • BESTfit 3 ID/OD X 6 Inch Turbo Outlet Adapter For Detroit Diesel L V71

    BESTfit 3 ID/OD X 6 Inch Turbo Outlet Adapter For Detroit Diesel L V71

    BESTFIT TRUCK PARTS

    $22.83
    BESTfit 3 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type B Turbo Pipe With 3.62 Inch Diameter FlangeGet the perfect fit for a Detroit Diesel Turbo L V71 with this quality type B manifold outlet...
    09-080100187
    SKU:
    09-080100187
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    6 Inch
    Style Options:
    Flanged
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $22.83
    Qty in Cart: 0
    Price:
    $22.83
    Subtotal:
  • BESTfit Aluminized Exhaust Connector 5 OD X 5 OD X 8 Inch

    BESTfit Aluminized Exhaust Connector 5 OD X 5 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $41.36
    BESTfit 5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Connector Pipe* High Quality Connector* Can Be Used To Join Flex Hose Together* Both Ends Have O.D. Connections* Made Of Durable 16 Gauge...
    09-080100186
    SKU:
    09-080100186
    Diameter Options:
    5 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $41.36
    Qty in Cart: 0
    Price:
    $41.36
    Subtotal:
  • BESTfit Aluminized Exhaust Connector 4 OD X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Connector 4 OD X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $37.13
    BESTfit 4 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Connector Pipe* High Quality Connector* Can Be Used To Join Flex Hose Together* Both Ends Have O.D. Connections* Made Of Durable 16 Gauge...
    09-080100185
    SKU:
    09-080100185
    Truck Class:
    Universal
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $37.13
    Qty in Cart: 0
    Price:
    $37.13
    Subtotal:
  • 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:
  • Total: items /

Adding your products to cart

The exhaust selection for International DuraStar trucks is filled with high-quality components and accessories designed to keep your rig performing at its peak. From stylish chrome stacks and robust mufflers to essential clamps, elbows, and piping, you'll find everything necessary to replace or enhance your truck's exhaust system. These exhaust parts are crafted to boost airflow, minimize backpressure, and add a stylish flair to your truck. Whether you're looking for improved efficiency, a more powerful sound, or a striking, customized appearance, this category offers the ideal components to help you achieve your goals. Elevate your DuraStar with dependable, high-performance exhaust solutions that enhance aesthetics and functionality, ensuring your truck runs smoothly and stands out.

Frequently Asked Questions About International DuraStar Exhaust Parts

What years and models of International DuraStar trucks do these exhaust parts fit?

Our International DuraStar exhaust parts are designed to fit DuraStar models from 2001 to present, including the 4200, 4300, and 4400 series. However, compatibility can vary based on your specific engine configuration (MaxxForce DT, DT466, or VT365). We recommend checking your OEM or calling our support team at 1-888-875-7787 to confirm exact fitment for your truck before ordering.

Are these exhaust parts made from aluminized or stainless steel, and which should I choose?

We offer both aluminized steel and 304/409 stainless steel options. Aluminized steel parts typically last 3-5 years and cost less, making them ideal for trucks in moderate climates or with regular replacement schedules. Stainless steel components last 7-10+ years and resist corrosion better, especially in areas with road salt or coastal environments. For DuraStar trucks operating in harsh conditions or requiring maximum longevity, we recommend investing in stainless steel.

Can I install these exhaust parts myself, or do I need special tools?

Most DuraStar exhaust components can be installed with standard shop tools including socket sets, pipe cutters, and jack stands. However, you'll need exhaust clamps (sold separately) and may require a reciprocating saw to remove old parts. Installation typically takes 2-4 hours depending on which components you're replacing. Always ensure proper exhaust hanger alignment to prevent premature wear. Professional installation is recommended for complete system replacements or if you're not comfortable working under your truck.

Will aftermarket exhaust parts affect my DuraStar's warranty or emissions compliance?

Our direct-fit replacement exhaust parts maintain OEM specifications and won't void your warranty when used for repair or maintenance. However, any modifications to emissions components like DPF filters or catalytic converters must meet EPA regulations. All our emissions-related parts are EPA-approved and include proper documentation. For trucks still under warranty, we recommend keeping all receipts and following International's maintenance guidelines.

What's the difference between OEM and aftermarket exhaust parts for my DuraStar?

OEM International exhaust parts guarantee exact fit but typically cost 40-60% more than quality aftermarket options. Our aftermarket parts are manufactured to meet or exceed OEM specifications, using the same bend angles, pipe diameters, and mounting points. The main differences are price and sometimes material options - many aftermarket manufacturers offer upgraded stainless steel versions of parts that originally came in aluminized steel. All parts we carry include our standard warranty and have been tested for proper fit on DuraStar trucks.


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