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Mack RD Truck Universal Elbows, Piping & Comp.

Streamline your exhaust system with Mack RD Model universal elbows, piping, and components. We carry custom, chrome, and aftermarket flex pipes, elbows, couplers, expanders, reducers, y-pipes, and more. Find any and all universal exhaust parts for your Mack RD Model at 4 State Trucks.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Chrome 7 - 5 Inch 90 Degree Exhaust Elbow

    Chrome 7 - 5 Inch 90 Degree Exhaust Elbow

    LINCOLN CHROME

    $586.99
    90 Degree Universal Chrome ElbowDiscover the perfect blend of durability and style with the Chrome 7 - 5 Inch 90 Degree Exhaust Elbow. This top-tier elbow is made from chrome-plated steel for...
    09-08037500
    SKU:
    09-08037500
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Degree Options:
    90
    Style Options:
    Elbow
    Diameter Options:
    7 Inch
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $586.99
    Qty in Cart: 0
    Price:
    $586.99
    Subtotal:
  • 6-5 Inch 90 Degree 20 Inch Medium Length Exhaust Elbow

    6-5 Inch 90 Degree 20 Inch Medium Length Exhaust Elbow

    LINCOLN CHROME

    $552.99
    6 To 5 Inch Tapered 90 Degree 20 Inch Medium Length Exhaust ElbowRevamp your exhaust system with the 6-5 Inch 90 Degree 20 Inch Medium Length Exhaust Elbow from 4 State Trucks. Crafted from...
    09-08036523
    SKU:
    09-08036523
    Diameter Options:
    6 Inch
    Length Options:
    20 Inch
    Location:
    Made In USA
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Style Options:
    Elbow
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $552.99
    Qty in Cart: 0
    Price:
    $552.99
    Subtotal:
  • FREE SHIPPING
    6 To 5 Inch 90 Degree 23 X 23 Inch Chrome Exhaust Elbow With Tapered Top

    6 To 5 Inch 90 Degree 23 X 23 Inch Chrome Exhaust Elbow With Tapered Top

    LINCOLN CHROME

    $500.99
    Lincoln Chrome Elbow 90 Degree With Tapered Top Chrome Plated SteelTransform your truck's exhaust with our premium Lincoln Chrome Elbow, a 90-degree universal elbow with a tapered top designed for OD...
    09-08036513
    SKU:
    09-08036513
    Diameter Options:
    6 Inch
    Location:
    Made In USA
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Style Options:
    Elbow
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $500.99
    Qty in Cart: 0
    Price:
    $500.99
    Subtotal:
  • FREE SHIPPING
    6 To 5 Inch 90 Degree 15 X 15 Inch Chrome Exhaust Elbow With Tapered Top

    6 To 5 Inch 90 Degree 15 X 15 Inch Chrome Exhaust Elbow With Tapered Top

    LINCOLN CHROME

    $500.99
    Lincoln Chrome Elbow 90 Degree With Tapered Top Chrome Plated SteelUpgrade your exhaust system with the Lincoln Chrome 6 to 5 Inch 90 Degree Exhaust Elbow with Tapered Top. This elbow is constructed...
    09-08036503
    SKU:
    09-08036503
    Diameter Options:
    6 Inch
    Location:
    Made In USA
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Style Options:
    Elbow
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $500.99
    Qty in Cart: 0
    Price:
    $500.99
    Subtotal:
  • BESTfit 8 ID X 8 Inch Coupler

    BESTfit 8 ID X 8 Inch Coupler

    BESTFIT TRUCK PARTS

    $88.99
    BESTfit 8 Inch I.D. X 8 Inch Length CouplerFor projects requiring precise and reliable connections, the BESTfit 8 Inch I.D. X 8 Inch Length Coupler is a top aftermarket replacement choice. With its...
    09-0801805
    SKU:
    09-0801805
    Diameter Options:
    8 Inch
    Length Options:
    8 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $88.99
    Qty in Cart: 0
    Price:
    $88.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 4 Inch ID / OD 90 Degree 12 X 12 Inch Chrome Exhaust Elbow

    BESTfit 4 Inch ID / OD 90 Degree 12 X 12 Inch Chrome Exhaust Elbow

    BESTFIT TRUCK PARTS

    $225.99
    BESTfit Exhaust ElbowDiscover the pinnacle of exhaust enhancements with the BESTfit 4 Inch I.D.-O.D. 90 Degree 12 X 12 Inch Chrome Exhaust Elbow. Engineered for excellence, this elbow is made from...
    09-0801511
    SKU:
    09-0801511
    Diameter Options:
    4 Inch
    Style Options:
    Elbow
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $225.99
    Qty in Cart: 0
    Price:
    $225.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminized Steel Exhaust Pipe Reducer 4 ID X 3 ID X 8 Inch

    BESTfit Aluminized Steel Exhaust Pipe Reducer 4 ID X 3 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $28.99
    BESTfit 8 Inch Aluminized Exhaust Pipe ReducerStreamline your exhaust system with the aluminized reducer, from 4 inches inner diameter to 3 inches inner diameter. Designed for universal applications,...
    09-0801430
    SKU:
    09-0801430
    Diameter Options:
    4 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Length Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $28.99
    Qty in Cart: 0
    Price:
    $28.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 4 OD 45 Degree 9 X 9 Inch Exhaust Elbow

    TPHD 4 OD 45 Degree 9 X 9 Inch Exhaust Elbow

    TPHD

    $30.89
    Exhaust ElbowIntroducing the TPHD 4 Inch OD 45 Degree 9 X 9 Inch Exhaust Elbow, designed to provide your vehicle with improved exhaust flow. This high-quality exhaust elbow is engineered for superior...
    09-0801409
    SKU:
    09-0801409
    Diameter Options:
    4 Inch
    Material Options:
    Aluminized Steel
    Degree Options:
    45
    Make:
    Universal Items
    Style Options:
    Elbow
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $30.89
    Qty in Cart: 0
    Price:
    $30.89
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 4 OD 90 Degree 12 X 12 Inch Chrome Exhaust Elbow, Plain On Both Ends

    BESTfit 4 OD 90 Degree 12 X 12 Inch Chrome Exhaust Elbow, Plain On Both Ends

    BESTFIT TRUCK PARTS

    $174.99
    BESTfit Exhaust ElbowThe BESTfit 4 Inch O.D. 90 Degree 12 X 12 Inch Chrome Exhaust Elbow is the ultimate upgrade for your exhaust, featuring chrome for durability and style. Crafted from top-tier...
    09-0801408
    SKU:
    09-0801408
    Diameter Options:
    4 Inch
    Style Options:
    Elbow
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $174.99
    Qty in Cart: 0
    Price:
    $174.99
    Subtotal:
  • BESTfit 4 OD 90 Degree 12 X 12 Inch Aluminized Exhaust Elbow, Plain On Both Ends

    BESTfit 4 OD 90 Degree 12 X 12 Inch Aluminized Exhaust Elbow, Plain On Both Ends

    BESTFIT TRUCK PARTS

    $64.99
    BESTfit Exhaust ElbowMaximize your exhaust system with the BESTfit Exhaust Elbow. Featuring a durable design with a 90-degree angle and a 4-inch diameter, it ensures an optimal exhaust flow. The 12 x...
    09-0801407
    SKU:
    09-0801407
    Diameter Options:
    4 Inch
    Style Options:
    Elbow
    Material Options:
    Aluminized Steel
    Degree Options:
    90
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 4 OD X 8 X 8 Inch 90 Degree Exhaust Elbow

    BESTfit 4 OD X 8 X 8 Inch 90 Degree Exhaust Elbow

    BESTFIT TRUCK PARTS

    $53.99
    BESTfit Plain Exhaust ElbowThis 4-inch outside diameter 90-degree exhaust elbow is made from aluminized steel for durability. Both ends of the elbow are plain, with each leg measuring 8 inches long...
    09-0801405
    SKU:
    09-0801405
    Diameter Options:
    4 Inch
    Style Options:
    Elbow
    Material Options:
    Aluminized Steel
    Degree Options:
    90
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • BESTfit 4 Inch ID/OD 90 Degree 8 X 8 Inch Chrome Elbow

    BESTfit 4 Inch ID/OD 90 Degree 8 X 8 Inch Chrome Elbow

    BESTFIT TRUCK PARTS

    $207.99
    BESTfit 90 Degree Exhaust Elbow W/ One Bell EndElevate your exhaust with the BESTfit 4 Inch ID/OD 90 Degree 8 X 8 Inch Chrome Elbow from 4 State Trucks. Crafted with precision, this high-quality...
    09-0801404
    SKU:
    09-0801404
    Diameter Options:
    4 Inch
    Style Options:
    Elbow
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $207.99
    Qty in Cart: 0
    Price:
    $207.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 4 ID / OD Inch 90 Degree Steel Exhaust Elbow

    TPHD 4 ID / OD Inch 90 Degree Steel Exhaust Elbow

    TURNPIKE TRUCK TRIM

    $50.99
    Steel 4 X 12 Inch Exhaust 90 Degree Elbow By TPHDRevitalize your exhaust system with the TPHD 4 Inch Steel Exhaust Elbow, offering a 90-degree angle for enhanced performance. With dimensions of 12...
    09-0801401
    SKU:
    09-0801401
    Diameter Options:
    4 Inch
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Length Options:
    12 Inch
    Style Options:
    Elbow
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 4 ID / OD Inch 90 Degree Steel Exhaust Elbow 8 X 8 Inch

    TPHD 4 ID / OD Inch 90 Degree Steel Exhaust Elbow 8 X 8 Inch

    TURNPIKE TRUCK TRIM

    $51.99
    Aluminized Steel Short Radius Exhaust Elbow W/ Belled End By TPHDKeep your truck's exhaust system operating efficiently with the TPHD 4 ID/OD Inch 90 Degree Steel Exhaust Elbow. Built from durable...
    09-0801400
    SKU:
    09-0801400
    Diameter Options:
    4 Inch
    Style Options:
    Elbow
    Material Options:
    Aluminized Steel
    Degree Options:
    90
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $51.99
    Qty in Cart: 0
    Price:
    $51.99
    Subtotal:
  • 5 Inch OD Chrome Elbow 90 Degree W/ 12 Inch Top Leg & 14 Inch Lower Leg

    5 Inch OD Chrome Elbow 90 Degree W/ 12 Inch Top Leg & 14 Inch Lower Leg

    LINCOLN CHROME

    $247.99
    Chrome Steel Exhaust Elbow W 12 Inch Top & 12 Inch Lower LegIntroducing the ultimate solution for enhancing your exhaust system - a 5 Inch OD Chrome Elbow with a precise 90-degree angle, designed for...
    09-0801010
    SKU:
    09-0801010
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Diameter Options:
    5 Inch
    Style Options:
    Elbow
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $247.99
    Qty in Cart: 0
    Price:
    $247.99
    Subtotal:
  • BESTfit 3.5 Inch Diameter X 10.5 X 16 Inch Aluminized Steel Type B Y-Pipe

    BESTfit 3.5 Inch Diameter X 10.5 X 16 Inch Aluminized Steel Type B Y-Pipe

    BESTFIT TRUCK PARTS

    $282.99
    BESTfit 3.5 Inch Diameter X 10.5 X 16 Inch Aluminized Steel Type B Y-PipeRevamp your exhaust system with the BESTfit 3.5 Inch Diameter X 10.5 X 16 Inch Aluminized Steel Type B Y-Pipe from 4 State...
    09-080100300
    SKU:
    09-080100300
    Diameter Options:
    3 1/2 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $282.99
    Qty in Cart: 0
    Price:
    $282.99
    Subtotal:
  • BESTfit 4 X 16 X 10.5 Inch Aluminized Steel Universal Type B Y-Pipe

    BESTfit 4 X 16 X 10.5 Inch Aluminized Steel Universal Type B Y-Pipe

    BESTFIT TRUCK PARTS

    $216.99
    BESTfit 4 X 16 X 10.5 Inch Aluminized Steel Universal Type B Y-PipeDiscover the benefits of upgrading with the BESTfit 4 X 16 X 10.5 Inch Aluminized Steel Universal Type B Y-Pipe. This high-quality,...
    09-080100210
    SKU:
    09-080100210
    Diameter Options:
    4 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Style Options:
    Y-Pipe
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $216.99
    Qty in Cart: 0
    Price:
    $216.99
    Subtotal:
  • 5 Inch ID-OD X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 5.5 Inch Diameter Flange For CAT 3406/C15

    5 Inch ID-OD X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 5.5 Inch Diameter Flange For CAT 3406/C15

    AUTOMANN USA

    $31.15
    5 Inch ID-OD X 6 Inch OAL Aluminized Steel Type A Turbo PipeEnhance the turbo performance of your Caterpillar 3406 or C15 with the 5 Inch ID-OD X 6 Inch OAL Type A Turbo Pipe, featuring a 5.88-inch...
    09-080100198
    SKU:
    09-080100198
    Diameter Options:
    5 Inch
    Length Options:
    6 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $31.15
    Qty in Cart: 0
    Price:
    $31.15
    Subtotal:
  • 5 Inch ID-OD X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 5.5 Inch Diameter Flange For Cummins ISX/N14

    5 Inch ID-OD X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 5.5 Inch Diameter Flange For Cummins ISX/N14

    AUTOMANN USA

    $29.93
    5 Inch ID-OD X 6 Inch OAL Aluminized Steel Type A Turbo Pipe With 5.5 Inch Diameter Flange Fits Cummins ISX/N14Optimize your Cummins ISX or N14's exhaust system with the Aluminized Steel Type A Turbo...
    09-080100197
    SKU:
    09-080100197
    Diameter Options:
    5 Inch
    Length Options:
    6 Inch
    Style Options:
    Cummins
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $29.93
    Qty in Cart: 0
    Price:
    $29.93
    Subtotal:
  • 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:
  • Total: items /

Adding your products to cart

Find universally compatible exhaust pipes and elbows for the Mack RD truck model. Our product lineup includes a wide variety of exhaust system components and accessories designed to enhance your rig. Our catalogue of parts features aluminized and stainless steel elbows, pipes, adapters, and connectors that allow for customization and replacement of exhaust systems on Mack RD semi trucks. Some of the key benefits include: - Aluminized and stainless steel construction for long-lasting durability and corrosion resistance - Universal fitment options to accommodate different exhaust configurations and engine types on Mack RD models - Seamless integration with existing exhaust systems for easy installation - Variety of sizes, angles, and connection types to meet diverse exhaust needs - Improved airflow and emissions compliance for enhanced truck performance Whether you're looking to replace worn exhaust components or upgrade the look and function of your Mack RD's exhaust system, this product lineup provides high-quality parts and accessories to get the job done right. Truck owners and mechanics servicing Mack RD models will find this product lineup essential for maintaining and enhancing their vehicles.

Frequently Asked Questions About Mack RD Truck Universal Elbows, Piping & Comp.

What are these elbows and piping components used for?

This category covers universal exhaust and intake system components, including elbows, pipe sections, and related fittings used to route exhaust gases or air through the truck's system. They are commonly used when repairing, replacing, or customizing sections of piping on Mack RD trucks.

Will these universal fittings fit my specific Mack RD model and year?

Because these are labeled as universal components, they are designed to work across a range of Mack RD configurations, but exact fit can still depend on pipe diameter, angle, and length needed for your specific setup. Check the listed dimensions and diameter specs on each product page against your existing piping before ordering to confirm compatibility.

What materials are these elbows and pipes made from, and how do they hold up to heat and corrosion?

Products in this category are typically made from aluminized or stainless steel, which are common choices for exhaust piping due to their ability to withstand high exhaust temperatures and resist rust over time. Material type is listed on each product page, so you can choose based on your durability needs and budget.

Can I cut or weld these pipes and elbows to get a custom fit?

Many universal piping components are designed to be trimmed, welded, or clamped to achieve a proper fit for your specific application. If a piece needs modification, it's a good idea to have the work done by someone experienced with exhaust systems to maintain a proper seal and avoid leaks.

Do I need any special tools or a professional to install these parts?

Installation requirements vary depending on whether the component uses clamps, bolted flanges, or welded connections. Simple clamp-style pipe sections can often be installed with basic hand tools, while welded connections will require welding equipment and experience. If you're unsure about the install, having a qualified diesel technician handle it will help ensure a secure, leak-free connection.


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