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Kenworth T300-T450 Elbows, Piping & Comp.

  • Product
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  • Quantity
  • Price
  • Subtotal
  • BESTfit Chrome Exhaust Connector 5 ID X 5 OD X 6 Inch

    BESTfit Chrome Exhaust Connector 5 ID X 5 OD X 6 Inch

    BESTFIT TRUCK PARTS

    $65.99
    BESTfit 5 Inch ID-OD X 6 Inch OAL Chrome-Plated Steel Connector* High Quality Coupler* Aluminized Steel* Dimensions  - 6 Inch Length  - 5 Inch Diameter* Hardware Not Included* Sold Individually*...
    09-080100044
    SKU:
    09-080100044
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • BESTfit Aluminized Exhaust Connector 4 ID X 4 OD X 6 Inch

    BESTfit Aluminized Exhaust Connector 4 ID X 4 OD X 6 Inch

    BESTFIT TRUCK PARTS

    $28.36
    BESTfit 4 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Connector* High Quality Exhaust Coupler* Connects O.D. and I.D. Ended Pipes Together* Made Of Durable 16 Gauge Aluminized Steel* Dimensions  - 4...
    09-080100043
    SKU:
    09-080100043
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $28.36
    Qty in Cart: 0
    Price:
    $28.36
    Subtotal:
  • BESTfit Aluminized Exhaust Connector 3-1/2 ID X 3-1/2 OD X 6 Inch

    BESTfit Aluminized Exhaust Connector 3-1/2 ID X 3-1/2 OD X 6 Inch

    BESTFIT TRUCK PARTS

    $25.45
    BESTfit 3.5 Inch I.D.-O.D. X 6 Inch OAL Aluminized Steel Connector* High Quality Exhaust Coupler* Connects O.D. and I.D. Ended Pipes Together* Made Of Durable 16 Gauge Aluminized Steel* Dimensions  -...
    09-080100042
    SKU:
    09-080100042
    Diameter Options:
    3 1/2 Inch
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $25.45
    Qty in Cart: 0
    Price:
    $25.45
    Subtotal:
  • BESTfit 7 ID X 8 Inch Chrome Exhaust Coupler

    BESTfit 7 ID X 8 Inch Chrome Exhaust Coupler

    BESTFIT TRUCK PARTS

    $127.99
    BESTfit 7 Inch ID X 8 Inch OAL Chrome-Plated Steel Coupler* High Quality Coupler* Chrome-Plated Steel* Dimensions  - 8 Inch Length  - 7 Inch Diameter* Hardware Not Included* Sold Individually*...
    09-080100041
    SKU:
    09-080100041
    Truck Class:
    Universal
    Diameter Options:
    7 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $127.99
    Qty in Cart: 0
    Price:
    $127.99
    Subtotal:
  • BESTfit 6 ID X 8 Inch Chrome Exhaust Coupler

    BESTfit 6 ID X 8 Inch Chrome Exhaust Coupler

    BESTFIT TRUCK PARTS

    $104.99
    BESTfit 6 Inch ID X 8 Inch OAL Chrome-Plated Steel Coupler* High Quality Coupler* Aluminized Steel * Dimensions  - 8 Inch Length  - 6 Inch Diameter* Hardware Not Included* Sold Individually* Warranty...
    09-080100040
    SKU:
    09-080100040
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • BESTfit 4 ID X 8 Inch Chrome Exhaust Coupler

    BESTfit 4 ID X 8 Inch Chrome Exhaust Coupler

    BESTFIT TRUCK PARTS

    $66.99
    BESTfit 4 Inch ID-ID X 8 Inch OAL Chrome-Plated Steel Coupler* High Quality Coupler* Aluminized Steel* Dimensions  - 8 Inch Length  - 4 Inch Diameter* Hardware Not Included* Sold Individually*...
    09-080100036
    SKU:
    09-080100036
    Diameter Options:
    4 Inch
    Material Options:
    Aluminized Steel
    Finish Options:
    Chrome-Plated
    Length Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Exhaust
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
    Subtotal:
  • BESTfit Chrome Exhaust Adapter Reducer 5 OD X 4 ID X 8 Inch

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

    BESTFIT TRUCK PARTS

    $92.99
    BESTfit 5 To 4 Inch Chrome Reducer Pipe* High Quality Reducer Pipe  - Chrome-Plated 304 Steel  - 5 Inch Outer Diameter  - 4 Inch Inner Diameter  - 8 Inch Length* Sold Individually* Warranty On Chrome...
    09-080100021
    SKU:
    09-080100021
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Length Options:
    8 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $92.99
    Qty in Cart: 0
    Price:
    $92.99
    Subtotal:
  • BESTfit Aluminized Exhaust Connector 5 ID X 5 OD X 6 Inch

    BESTfit Aluminized Exhaust Connector 5 ID X 5 OD X 6 Inch

    BESTFIT TRUCK PARTS

    $26.71
    BESTfit 5 X 6 Inch Aluminized Connector PipeThis BESTfit connector securely joins an exhaust pipe with a 5-inch outside diameter to a pipe with a 5-inch inside diameter. Measuring 6 inches long, it...
    09-080100019
    SKU:
    09-080100019
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Length Options:
    6 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $26.71
    Qty in Cart: 0
    Price:
    $26.71
    Subtotal:
  • BESTfit Chrome Exhaust Adapter Reducer 4 OD X 3-1/2 ID X 8 Inch

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

    BESTFIT TRUCK PARTS

    $81.59
    BESTfit 4 To 3.5 Inch O.D.-I.D. X 8 Inch Chrome-Plated Steel Reducer* High Quality Connector O.D.-I.D.* Chrome-Plated Steel* Dimensions  - 8 Inch Length   - 3.5 Inch Diameter O.D.  - 4 Inch Diameter...
    09-080000055
    SKU:
    09-080000055
    Diameter Options:
    3 1/2 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $81.59
    Qty in Cart: 0
    Price:
    $81.59
    Subtotal:
  • BESTfit 6 Inch I.D.-O.D. X 6 Inch Chrome-Plated Steel Connector

    BESTfit 6 Inch I.D.-O.D. X 6 Inch Chrome-Plated Steel Connector

    BESTFIT TRUCK PARTS

    $80.57
    BESTfit 6 Inch I.D.-O.D. X 6 Inch Chrome-Plated Steel Connector* High Quality Connector I.D.-O.D.* Chrome-Plated Steel* Dimensions  - 6 Inch Length  - 6 Inch Diameter I.D.  - 6 Inch Diameter O.D.*...
    09-080000053
    SKU:
    09-080000053
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $80.57
    Qty in Cart: 0
    Price:
    $80.57
    Subtotal:
  • BESTfit 3 Inch I.D.-O.D. X 6 Inch Aluminized Steel Connector

    BESTfit 3 Inch I.D.-O.D. X 6 Inch Aluminized Steel Connector

    BESTFIT TRUCK PARTS

    $21.99
    BESTfit 3 Inch I.D.-O.D. X 6 Inch Aluminized Steel Connector* High Quality Connector* Aluminized Steel* Dimensions  - 6 Inch Length  - 3 Inch Diameter I.D.  - 3 Inch Diameter O.D.* Made in The USA*...
    09-080000052
    SKU:
    09-080000052
    Diameter Options:
    3 Inch
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    6 Inch
    Product Type:
    Exhaust
    $21.99
    Qty in Cart: 0
    Price:
    $21.99
    Subtotal:
  • BESTfit Chrome Exhaust Coupler 3-1/2 ID / ID X 8 Inch

    BESTfit Chrome Exhaust Coupler 3-1/2 ID / ID X 8 Inch

    BESTFIT TRUCK PARTS

    $59.99
    BESTfit 3.5 Inch I.D.-I.D. X 8 Inch Chrome-Plated Steel Coupler* High Quality Coupler I.D.-I.D.* Chrome-Plated Steel* Dimensions  - 8 Inch Length  - 3.5 Inch Diameter* Made in The USA* Sold...
    09-080000051
    SKU:
    09-080000051
    Diameter Options:
    3 1/2 Inch
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Length Options:
    8 Inch
    Product Type:
    Exhaust
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • BESTfit 3.5 OD X 12 Inch Chrome-Plated Steel 90 Degree Elbow

    BESTfit 3.5 OD X 12 Inch Chrome-Plated Steel 90 Degree Elbow

    BESTFIT TRUCK PARTS

    $213.99
    BESTfit 3.5 Inch O.D.-O.D. X 12 Inch Chrome-Plated Steel 90 Degree Elbow* High Quality Elbow O.D.- O.D.* Chrome-Plated Steel* Dimensions  - 12 Inch Length  - 3.5 Inch Diameter  - 5 Inch Centerline to...
    09-080000049
    SKU:
    09-080000049
    Truck Class:
    Universal
    Diameter Options:
    3 1/2 Inch
    Style Options:
    Elbow
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Length Options:
    12 Inch
    Product Type:
    Exhaust
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • BESTfit 3 OD X 14 Inch Chrome-Plated Steel 90 Degree Elbow

    BESTfit 3 OD X 14 Inch Chrome-Plated Steel 90 Degree Elbow

    BESTFIT TRUCK PARTS

    $141.99
    BESTfit 3 Inch O.D.-O.D. X 14 Inch Chrome-Plated Steel 90 Degree Elbow* High Quality Elbow O.D.- O.D.* Chrome-Plated Steel* Dimensions  - 14 Inch Length  - 3 Inch Diameter  - 4 Inch Centerline to...
    09-080000048
    SKU:
    09-080000048
    Diameter Options:
    3 Inch
    Truck Class:
    Universal
    Style Options:
    Elbow
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Length Options:
    14 Inch
    Product Type:
    Exhaust
    $141.99
    Qty in Cart: 0
    Price:
    $141.99
    Subtotal:
  • BESTfit 3.5 ID/OD X 12 Inch Chrome-Plated Steel 90 Degree Elbow

    BESTfit 3.5 ID/OD X 12 Inch Chrome-Plated Steel 90 Degree Elbow

    BESTFIT TRUCK PARTS

    $238.99
    BESTfit 3.5 Inch I.D.-O.D. X 12 Inch Chrome-Plated Steel 90 Degree Elbow* High Quality Elbow I.D.- O.D.* Chrome-Plated Steel* Dimensions  - 12 Inch Length  - 3.5 Inch Diameter  - 5 Inch Centerline to...
    09-080000045
    SKU:
    09-080000045
    Truck Class:
    Universal
    Diameter Options:
    3 1/2 Inch
    Style Options:
    Elbow
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $238.99
    Qty in Cart: 0
    Price:
    $238.99
    Subtotal:
  • BESTfit 3.5 OD X 8 Inch Aluminized Steel 60 Degree Elbow

    BESTfit 3.5 OD X 8 Inch Aluminized Steel 60 Degree Elbow

    BESTFIT TRUCK PARTS

    $46.34
    BESTfit 3.5 Inch O.D.-O.D. X 8 Inch Aluminized Steel 60 Degree Elbow* High Quality Elbow O.D.- O.D.* Chrome-Plated Steel* Dimensions  - 8 Inch Length  - 3.5 Inch Diameter  - 5 Inch Centerline to...
    09-080000040
    SKU:
    09-080000040
    Truck Class:
    Universal
    Diameter Options:
    3 1/2 Inch
    Style Options:
    Elbow
    Material Options:
    Aluminized Steel
    Degree Options:
    60
    Make:
    Universal Items
    Length Options:
    8 Inch
    Product Type:
    Exhaust
    $46.34
    Qty in Cart: 0
    Price:
    $46.34
    Subtotal:
  • BESTfit 3 ID/OD X 8 Inch Aluminized Steel 60 Degree Elbow

    BESTfit 3 ID/OD X 8 Inch Aluminized Steel 60 Degree Elbow

    BESTFIT TRUCK PARTS

    $86.99
    BESTfit 3 Inch I.D.-O.D. X 8 Inch Aluminized Steel 60 Degree Elbow* High Quality Elbow I.D.- O.D.* Aluminized Steel* Dimensions  - 8 Inch Length  - 3 Inch Diameter  - 3.5 Inch Centerline to Radius  ...
    09-080000038
    SKU:
    09-080000038
    Truck Class:
    Universal
    Diameter Options:
    3 Inch
    Style Options:
    Elbow
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Degree Options:
    60
    Product Type:
    Exhaust
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
  • BESTfit 7 Inch Diameter X 11.5 Inch Aluminized Steel 90 Degree Tangent Cut Elbow

    BESTfit 7 Inch Diameter X 11.5 Inch Aluminized Steel 90 Degree Tangent Cut Elbow

    BESTFIT TRUCK PARTS

    $317.99
    BESTfit 7 Inch Diameter X 11.5 Inch Aluminized Steel 90 Degree Tangent Cut Elbow* High Quality Elbow* Aluminized Steel* Dimensions  - 11.5 Inch Length Each Leg  - 7 Inch OD/OD  - 8 Inch Centerline to...
    09-080000035
    SKU:
    09-080000035
    Truck Class:
    Universal
    Diameter Options:
    7 Inch
    Style Options:
    Elbow
    Material Options:
    Aluminized Steel
    Degree Options:
    90
    Make:
    Universal Items
    Length Options:
    11 Inch
    Product Type:
    Exhaust
    $317.99
    Qty in Cart: 0
    Price:
    $317.99
    Subtotal:
  • Total: items /

Adding your products to cart

Shop for Aftermarket Exhaust Parts for the Kenworth T300 and T450. Durable, quality-made exhaust parts can sustain the resale value of your rig while enhancing its unique appearance. Whether you are looking for exhaust elbows, piping, adapters, or a similar part, there are plenty of options to choose from. Exhaust parts are a great way to start customizing your Kenworth heavy-duty truck and upgrade your truck's exhaust system in general.

Frequently Asked Questions About Kenworth T300-T450 Elbows, Piping & Comp.

What kind of components are included in this category?

This category covers exhaust and air intake related elbows, piping sections, and connecting components designed for Kenworth T300 through T450 model trucks. This includes items such as exhaust elbows, intake piping, and related fittings used to connect and route exhaust or air systems on these trucks.

Will these elbows and piping fit my specific Kenworth model year?

Fitment can vary between the T300, T330, T370, T440, and T450 models, and even within different model years or engine configurations. Always check the listed specifications, measurements, and compatible model years on each product page before ordering, and compare them against your truck's existing components or service manual to confirm a proper match.

What materials are these parts made from, and how durable are they?

Exhaust elbows and piping in this category are typically made from stainless steel or aluminized steel, chosen for their ability to withstand high exhaust temperatures and resist corrosion. Stainless steel options generally offer better long-term corrosion resistance, while aluminized steel can provide a more budget-friendly alternative with a solid service life when properly maintained.

Do I need to replace gaskets, clamps, or other hardware when installing new piping or elbows?

In many cases, yes. Since exhaust components experience heat cycling and vibration over time, existing gaskets, clamps, or seals may be worn or damaged even if the piping itself is being upgraded or replaced. It is a good practice to inspect all connecting hardware during installation and replace any parts that show signs of wear to help ensure a proper seal and reduce the chance of leaks.

Can I install these parts myself, or should I have a professional do it?

Basic elbow and piping replacement can often be handled by someone comfortable with mechanical work and using standard hand tools. However, because these components are part of the exhaust or intake system, proper alignment and secure connections are important for correct engine performance and emissions function. If you are unsure about removing old components, matching angles and diameters, or torque specifications for clamps and fasteners, having a qualified diesel technician complete the installation is recommended.


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