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International S2100-S2300 Exhaust Parts

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  • BESTfit 5.25 Inch Machined Turbo Flare For Detroit Diesel Turbo 6V/8V92T

    BESTfit 5.25 Inch Machined Turbo Flare For Detroit Diesel Turbo 6V/8V92T

    BESTFIT TRUCK PARTS

    $272.99
    BESTfit Aluminized Steel Type A Turbo Pipe With FlangeRedefine your Detroit engine with the BESTfit 5 Inch ID-O.D. X 4 Inch OAL Aluminized Steel Type A Turbo Pipe from 4 State Trucks. This turbo...
    09-080100196
    SKU:
    09-080100196
    Diameter Options:
    5 Inch
    Length Options:
    4 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $272.99
    Qty in Cart: 0
    Price:
    $272.99
    Subtotal:
  • BESTfit 4 ID/OD X 6 Inch Aluminized Turbo Outlet Adapter With Flange For Detroit 671/12V71

    BESTfit 4 ID/OD X 6 Inch Aluminized Turbo Outlet Adapter With Flange For Detroit 671/12V71

    BESTFIT TRUCK PARTS

    $31.83
    BESTfit 4.75 Inch Turbo Flare Lip for Detroit Diesel 671/12V71Get the perfect fit for your Detroit Diesel 12V71 Turbo with this quality style C manifold outlet. It is made of a rust and corrosion...
    09-080100195
    SKU:
    09-080100195
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $31.83
    Qty in Cart: 0
    Price:
    $31.83
    Subtotal:
  • BESTfit 4 ID/OD X 4 Inch Aluminized Turbo Outlet Adapter With Flange Style A For L10 Cummins

    BESTfit 4 ID/OD X 4 Inch Aluminized Turbo Outlet Adapter With Flange Style A For L10 Cummins

    BESTFIT TRUCK PARTS

    $31.83
    BESTfit 4 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo Pipe* High Quality Turbo Manifold Outlet* Style A* Highly Corrosion Resistant* Made Of Durable And Strong Aluminized Steel* 4 Inch...
    09-080100194
    SKU:
    09-080100194
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Style Options:
    Cummins
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    4 Inch
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $31.83
    Qty in Cart: 0
    Price:
    $31.83
    Subtotal:
  • BESTfit 4 ID/OD X 4 Inch Aluminized Turbo Outlet Adapter With Flange Style A For CAT 3306

    BESTfit 4 ID/OD X 4 Inch Aluminized Turbo Outlet Adapter With Flange Style A For CAT 3306

    BESTFIT TRUCK PARTS

    $32.89
    BESTfit 4 Inch ID-OD X 4 Inch OAL Aluminized Steel Type A Turbo Pipe* High Quality Turbo Manifold Outlet* Style A* Highly Corrosion Resistant* Made Of Durable And Strong Aluminized Steel* 4 Inch...
    09-080100193
    SKU:
    09-080100193
    Diameter Options:
    4 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    4 Inch
    Product Type:
    Exhaust
    $32.89
    Qty in Cart: 0
    Price:
    $32.89
    Subtotal:
  • BESTfit 4 ID/OD X 6 Inch Inch Aluminized Turbo Outlet Adapter With Flange Style A For Cummins

    BESTfit 4 ID/OD X 6 Inch Inch Aluminized Turbo Outlet Adapter With Flange Style A For Cummins

    BESTFIT TRUCK PARTS

    $38.20
    BESTfit 4 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 4.5 Inch Diameter Flange Fits CumminsGet the perfect fit for your Cummins Engine with this quality type A manifold outlet...
    09-080100192
    SKU:
    09-080100192
    Truck Class:
    Universal
    Diameter Options:
    4 Inch
    Style Options:
    Cummins
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $38.20
    Qty in Cart: 0
    Price:
    $38.20
    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:
  • Total: items /

Adding your products to cart

Enhance your truck's exhaust system with the International S2100-S2300 Exhaust category. This selection includes high-performance mufflers, DPF systems, chrome stacks, and exhaust elbows designed for durability and efficiency. Whether aiming for better fuel economy, reduced emissions, or a custom look, you'll find the right parts to optimize your truck's performance.

Frequently Asked Questions About International S2100-S2300 Exhaust Parts

What years and specific models do these exhaust parts fit?

These exhaust parts are designed for International S2100 and S2300 trucks manufactured between 1989 and 2017. They're compatible with all engine configurations including Caterpillar C12, C13, C15, Cummins ISX, ISM, and Detroit Series 60. Always verify your specific truck's year and engine type before ordering, as some minor variations exist between early models (1989-1999) and later models (2000-2017).

Are these exhaust stacks chrome or stainless steel, and how long will the finish last?

We offer both 304 stainless steel and chrome-plated options. Stainless steel stacks maintain their appearance for 5-10 years with minimal maintenance and won't rust through. Chrome stacks provide a mirror finish but require regular polishing and may show pitting after 2-3 years in harsh conditions. For trucks operating in salt-heavy regions or frequent wash environments, we recommend stainless steel for longevity.

What tools and time are required for installation?

Installation typically takes 2-4 hours with basic hand tools including socket sets, wrenches, and a sawzall for removing old pipes. You'll need exhaust clamps (usually 5-inch for these models), high-temp exhaust sealant, and new gaskets. Most installations can be completed without removing the cab, though access is tight near the turbo connection. Professional installation runs $200-400 if you prefer not to DIY.

Will aftermarket exhaust parts affect my engine performance or emissions compliance?

Quality aftermarket exhaust components maintain factory specifications for backpressure and flow rates, ensuring no negative impact on engine performance. All our parts meet or exceed OEM standards. For emissions compliance, mufflers and pipes don't affect your truck's emissions systems. However, if replacing DPF or EGR-related components, ensure you're selecting street-legal options that maintain your truck's compliance status.

What's the difference between straight pipes, muffled, and curved stack options?

Straight stacks provide maximum exhaust flow and the classic aggressive sound but can be quite loud (95-105 dB). Muffled stacks reduce noise by 10-15 dB while maintaining good flow - ideal for drivers who run through residential areas or have noise restrictions. Curved stacks direct exhaust away from the cab and trailer, reducing soot buildup on your equipment. Consider your routes, local regulations, and personal preference when choosing.


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