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Mack RD Truck Exhaust Parts

Are you looking to improve your Mack RD truck? 4 State Trucks has you covered with a high-quality collection of exhaust stacks, clamps, elbows, and mufflers. Explore options with lengths up to 120 inches, diameters from 4 to 8 inches, and a variety of top styles like miter cut and bull hauler.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Chrome 90 Degree Elbow, 6 Inch OD - 24 x 24 Inch Legs

    Chrome 90 Degree Elbow, 6 Inch OD - 24 x 24 Inch Legs

    BESTFIT TRUCK PARTS

    $375.99
    6 Inch OD x 24 x 24 Inch Chrome 90 Degree Elbow* High Quality Elbow* Chrome-Plated * 6 Inch OD/OD* 90 Degree * Legs Are 24 Inches On Each Side* 16 Gauge* Sold Individually* Warranty On Elbows Against...
    09-0801623
    SKU:
    09-0801623
    Finish Options:
    Chrome-Plated
    Degree Options:
    90
    Style Options:
    Elbow
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Exhaust
    $375.99
    Qty in Cart: 0
    Price:
    $375.99
    Subtotal:
  • 5 Inch SS Pre-Formed Exhaust Band Clamp

    5 Inch SS Pre-Formed Exhaust Band Clamp

    BESTFIT TRUCK PARTS

    $19.99
    5 Inch Easy Seal Exhaust Band Clamp* High Quality Exhaust Band Clamp* Made Of 304 Stainless Steel* Pre-form* Creates Leak Proof Seal * 5 Inch Diameter* Sold Individually* Warranty On Exhaust Band...
    09-0800040
    SKU:
    09-0800040
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Diameter Options:
    5 Inch
    Ready To Ship:
    Yes
    $19.99
    Qty in Cart: 0
    Price:
    $19.99
    Subtotal:
  • 7 Inch Heat Shield Clamp

    7 Inch Heat Shield Clamp

    BESTFIT TRUCK PARTS

    $19.68
    7 Inch Heat Shield ClampMount a 180 degree heat shield on a 7 inch diameter exhaust or muffler pipe with this quality clamp.* High Quality Heat Shield Clamp* 7 Inch Diameter* For 180 Degree Heat...
    09-0808130
    SKU:
    09-0808130
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Exhaust
    $19.68
    Qty in Cart: 0
    Price:
    $19.68
    Subtotal:
  • SS 45 Degree Elbow, 8 x 10 Inch

    SS 45 Degree Elbow, 8 x 10 Inch

    BESTFIT TRUCK PARTS

    $93.99
    4 Inch OD Stainless Steel 45 Degree Elbow* High Quality Elbow* Stainless Steel * 4 Inch OD* 8 Inch X 10 Inch* 45 Degree Bend * Sold Individually* Warranty On Elbows Against Defects In Workmanship &...
    09-0801451
    SKU:
    09-0801451
    Diameter Options:
    4 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Elbow
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • 5 Inch Chrome Exhaust Heat Shield Mounting Bracket

    5 Inch Chrome Exhaust Heat Shield Mounting Bracket

    BESTFIT TRUCK PARTS

    $59.99
    Chrome Plated 5 Inch Exhaust Heat Shield Mounting Bracket* High Quality Heat Shield Mounting Bracket* With 3 Tabs* For 180 Degree Heat Shields* Made Of Chrome Plated Steel* 5 Inch Diameter* Made In...
    09-0808135
    SKU:
    09-0808135
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • BESTfit SS Heat Guard, 180 Degree

    BESTfit SS Heat Guard, 180 Degree

    BESTFIT TRUCK PARTS

    $196.99
    BESTfit No Hole 180 Degree Stainless Steel Exhaust Shield* High Quality Heat Guard* Made Of 430 Stainless Steel* 180 Degree Wrap Around* Dimensions:  - 48 Inch Overall Height  - 4 Inch - 7 Inch...
    09-0805017
    SKU:
    09-0805017
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $196.99
    Qty in Cart: 0
    Price:
    $196.99
    Subtotal:
  • 6 Inch Chrome Mounting Clamp For 180 Degree Exhaust Heat Shield

    6 Inch Chrome Mounting Clamp For 180 Degree Exhaust Heat Shield

    AUTOMANN USA

    $73.99
    Chrome Plated 6 Inch ID Exhaust Heat Shield Mounting ClampKeep your exhaust components stable and secure with the 6 Inch Chrome Mounting Clamp for 180 Degree Exhaust Heat Shield, crafted from...
    09-0808128
    SKU:
    09-0808128
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Exhaust
    $73.99
    Qty in Cart: 0
    Price:
    $73.99
    Subtotal:
  • Chrome Exhaust Connector 6 ID Inch X 6 Inch OD

    Chrome Exhaust Connector 6 ID Inch X 6 Inch OD

    UNITED PACIFIC

    $39.05
    6 Inch ID To 6 Inch OD Chrome Exhaust ConnectorConnect a 6-inch inside diameter pipe to a 6-inch outside diameter pipe easily with this chrome plated exhaust connector. 4 State Trucks carries an...
    09-08010035
    SKU:
    09-08010035
    Diameter Options:
    6 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $39.05
    Qty in Cart: 0
    Price:
    $39.05
    Subtotal:
  • FREE SHIPPING OVER $249
    9 Inch Diameter Muffler 5 ID / 5 ID X 26.50 Inch OAL 87Q-500-674

    9 Inch Diameter Muffler 5 ID / 5 ID X 26.50 Inch OAL 87Q-500-674

    AUTOMANN USA

    $183.99
    5 X 26.5 Inch Galvanized Steel Exhaust Muffler With Interior Baffles And No Divider, Straight Through Design.Optimize your truck's exhaust with the Galvanized 26.5 Inch Exhaust Muffler, featuring a...
    09-080206
    SKU:
    09-080206
    Diameter Options:
    9 Inch
    Finish Options:
    Galvanized
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Exhaust
    Length Options:
    27 Inch
    Ready To Ship:
    Yes
    $183.99
    Qty in Cart: 0
    Price:
    $183.99
    Subtotal:
  • BESTfit Exhaust Pipe Coupler

    BESTfit Exhaust Pipe Coupler

    BESTFIT TRUCK PARTS

    $25.19 - $84.99
    Choose Option(s) to see description.BESTfit 3 ID X 8 InchAluminized Exhaust CouplerBESTfit 3 Inch ID-ID X 8 Inch OAL Aluminized Steel Coupler* High Quality Coupler* Aluminized Steel* Dimensions  - 8...
    PPR_206325
    SKU:
    PPR_206325
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminized Steel
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $25.19 - $84.99
    Qty in Cart: 0
    Price:
    $25.19 - $84.99
    Subtotal:
  • BESTfit Aluminized Steel Universal Type C Y-Pipe

    BESTfit Aluminized Steel Universal Type C Y-Pipe

    BESTFIT TRUCK PARTS

    $185.99 - $228.99
    Choose Option(s) to see description.BESTfit 4 X 12 X 9.5 Inch Aluminized Steel Universal Type C Y-PipeAluminized Steel Type C Universal Y-Pipe* High Quality Y Pipe* Aluminized Steel* Y Shaped*...
    PPR_206275
    SKU:
    PPR_206275
    Truck Class:
    Universal
    Make:
    Universal Items
    Height Options:
    10 Inch
    Material Options:
    Aluminized Steel
    Diameter Options:
    3 Inch
    Truck Class:
    Heavy Duty
    Length Options:
    10 Inch
    Product Type:
    Exhaust
    $185.99 - $228.99
    Qty in Cart: 0
    Price:
    $185.99 - $228.99
    Subtotal:
  • BESTfit Aluminized Steel Type A Exhaust Y-Pipe

    BESTfit Aluminized Steel Type A Exhaust Y-Pipe

    BESTFIT TRUCK PARTS

    $179.99 - $336.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 5” ID-OD X 14 X 25 Inch Aluminized Steel Universal Type A Y-Pipe With Divider PlateBESTfit 5 X...
    PPR_206274
    SKU:
    PPR_206274
    Truck Class:
    Universal
    Make:
    Universal Items
    Length Options:
    14 Inch
    Diameter Options:
    5 Inch
    Length Options:
    11 Inch
    Truck Class:
    Heavy Duty
    Height Options:
    14 Inch
    Height Options:
    11 Inch
    Material Options:
    Aluminized Steel
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $179.99 - $336.99
    Qty in Cart: 0
    Price:
    $179.99 - $336.99
    Subtotal:
  • BESTfit Exhaust Pipe Steel Coupler

    BESTfit Exhaust Pipe Steel Coupler

    BESTFIT TRUCK PARTS

    $18.99 - $26.27
    The BESTfit Exhaust Pipe Steel Coupler provides a durable solution for connecting exhaust components with strength and precision. Manufactured from aluminized steel, it's built to resist corrosion...
    PPR_206265
    SKU:
    PPR_206265
    Truck Class:
    Universal
    Make:
    Universal Items
    Diameter Options:
    5 Inch
    Diameter Options:
    3 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminized Steel
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $18.99 - $26.27
    Qty in Cart: 0
    Price:
    $18.99 - $26.27
    Subtotal:
  • 7 To 5 OD Chrome OD Bull Hauler Bottom Exhaust Stack

    7 To 5 OD Chrome OD Bull Hauler Bottom Exhaust Stack

    UNITED PACIFIC

    $420.99 - $701.99
    Choose Option(s) to see description.7 To 5 OD x 36 Inch Chrome Bull Hauler Bottom Exhaust StackChrome 36 Inch Tall Bull Hauler Bottom Exhaust Stack W/ 7 Inch Reduced To 5 Inch OD* High Quality Bottom...
    PPR_205775
    SKU:
    PPR_205775
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Diameter Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $420.99 - $701.99
    Qty in Cart: 0
    Price:
    $420.99 - $701.99
    Subtotal:
  • Chrome Plated Steel 45 Degree Exhaust Expanded Elbow

    Chrome Plated Steel 45 Degree Exhaust Expanded Elbow

    UNITED PACIFIC

    $116.99
    Choose Option(s) to see description.Chrome Plated Steel 45 Degree Exhaust Expanded Elbow, 5 Inch ID To 5 Inch OD5 Inch ID To OD Chrome Exhaust Elbow, 12 x 12 Inch* High Quality Exhaust Expanded...
    PPR_205783
    SKU:
    PPR_205783
    Truck Class:
    Universal
    Material Options:
    Steel
    Degree Options:
    45
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $116.99
    Qty in Cart: 0
    Price:
    $116.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Reducer W/ Finish And Connection Size Options

    Reducer W/ Finish And Connection Size Options

    UNITED PACIFIC

    $26.78 - $62.99
    Choose Option(s) to see description.6 To 5 Inch ID/ID Aluminized Exhaust Reducer6 To 5 Inch ID Pipe Reducer - Rust ResistantConnect 6 inch inside diameter exhaust pipe to 5 inch inside diameter...
    PPR_205785
    SKU:
    PPR_205785
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Finish Options:
    Paintable
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $26.78 - $62.99
    Qty in Cart: 0
    Price:
    $26.78 - $62.99
    Subtotal:
  • 6 ID X 72 Inch Chrome West Coast Curve Exhaust Stack By BESTfit

    6 ID X 72 Inch Chrome West Coast Curve Exhaust Stack By BESTfit

    BESTFIT TRUCK PARTS

    $382.99
    Chrome-Plated 6 Inch I.D. x 72 Inch Length West Coast Curve Exhaust Stack* High Quality Stack* Chrome-Plated * 6 Inch I.D.* 72 Inch Height* West Coast Curve* Sold Individually * Warranty On Stacks...
    09-08607218
    SKU:
    09-08607218
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Style Options:
    West Coast Turn
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Height Options:
    72 Inch
    $382.99
    Qty in Cart: 0
    Price:
    $382.99
    Subtotal:
  • BESTfit 5 Inch OD x 48 Inch Aluminized Exhaust Tubing - 4 Foot

    BESTfit 5 Inch OD x 48 Inch Aluminized Exhaust Tubing - 4 Foot

    BESTFIT TRUCK PARTS

    $54.99
    4 Foot Aluminized Exhaust Tubing* High Quality Exhaust Tubing* Aluminized Steel* 5 Inch OD X 48 Inches* 4 Foot Section* Made In USA* Sold Individually* Warranty On Exhaust Tubing Against Defects In...
    09-080100543
    SKU:
    09-080100543
    Diameter Options:
    5 Inch
    Truck Class:
    Universal
    Length Options:
    48 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • Chrome 90 Degree Exhaust Expanded Elbow

    Chrome 90 Degree Exhaust Expanded Elbow

    UNITED PACIFIC

    $116.99 - $185.99
    Choose Option(s) to see description.Chrome 90 Degree Exhaust Expanded Elbow 5 Inch ID To 5 Inch OD - 18 X 18 Inch18 x 18 Inch 90 Degree Exhaust Expanded Elbow* High Quality Exhaust Elbow*...
    PPR_205784
    SKU:
    PPR_205784
    Truck Class:
    Universal
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Diameter Options:
    5 Inch
    Style Options:
    Elbow
    Diameter Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $116.99 - $185.99
    Qty in Cart: 0
    Price:
    $116.99 - $185.99
    Subtotal:
  • 6 OD Chrome Curved Bottom Exhaust Stack W/ Slotted Bottom

    6 OD Chrome Curved Bottom Exhaust Stack W/ Slotted Bottom

    UNITED PACIFIC

    $259.99
    Choose Option(s) to see description.6 OD x 48 Inch Chrome Curved Bottom Exhaust Stack With Expanded/ Slotted BottomChrome 48 Inch Tall Curved Bottom Exhaust Stack W/ 6 Inch ODLooking to upgrade your...
    PPR_205779
    SKU:
    PPR_205779
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Diameter Options:
    6 Inch
    Style Options:
    Curve Turn
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $259.99
    Qty in Cart: 0
    Price:
    $259.99
    Subtotal:
  • Total: items /

Adding your products to cart

Shop for Aftermarket Exhaust Parts for the Mack RD Truck Model. Add a custom, unique look to your medium-duty work truck with exhaust parts and components. Our product lineup features parts like mufflers, clamps, brackets, and connectors, all designed to provide you with a reliable exhaust system. If you're looking to add some resale value to your Mack RD truck, or you just need a replacement part for a worn-out OEM component, you find what you're looking for here. Some of the benefits of enhancing your Mack RD's exhaust system are reduced noise, lower toxic emissions, and overall enhanced performance.

Frequently Asked Questions About Mack RD Truck Exhaust Parts

What types of exhaust components are available for the Mack RD?

This category typically includes components such as exhaust stacks, elbows, clamps, mufflers, heat shields, and mounting brackets designed to fit the Mack RD series. Depending on availability, you may find both stock replacement pieces and aftermarket styling options like chrome or stainless steel stacks.

Will these exhaust parts fit my specific Mack RD model year?

Mack RD trucks were produced over a long span of years, and exhaust system configurations can vary based on engine type, cab configuration, and factory setup. Always check the fitment details listed on each product page, and compare diameters, lengths, and mounting patterns to your existing exhaust components before ordering. If you are unsure, contacting our support team with your VIN or engine details can help confirm compatibility.

What materials and finishes are these exhaust parts made from?

Exhaust parts in this category are commonly made from aluminized steel or stainless steel, offering good resistance to heat and corrosion. Stainless steel options generally provide a longer-lasting shine and better rust resistance, while aluminized steel is a more budget-friendly choice that still holds up well under normal operating conditions.

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

Basic exhaust components like clamps and straight pipe sections can often be installed with common hand tools, but more involved parts such as full stack replacements or muffler assemblies may require cutting, welding, or professional alignment to ensure a proper seal and fit. If you are not experienced with exhaust work, having a qualified diesel technician handle the installation is recommended to avoid leaks or improper fitment.

Are these exhaust parts compliant with emissions and noise regulations?

Regulations for exhaust systems can vary by state and application, particularly regarding noise output and emissions equipment. It is the buyer's responsibility to verify that any replacement or aftermarket exhaust component meets the applicable regulations in their operating area, especially if the truck is used commercially or crosses state lines.


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