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Peterbilt 386 Exhaust Parts

At 4 State Trucks, you'll find all the components required to install a new exhaust or repair your existing one on your Peterbilt 386. We offer an extensive range of aftermarket, custom, and chrome parts including clamps, brackets, and mounting equipment, all at fantastic prices. Shop with us and get everything you need at great value!
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BESTfit 3 Inch Chrome Wide Smooth Exhaust Clamp

    BESTfit 3 Inch Chrome Wide Smooth Exhaust Clamp

    BESTFIT TRUCK PARTS

    $114.99 - $133.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 6 X 3 Inch Chrome Wide Smooth Exhaust Clamp Replaces 50BJ-600SCP6 X 3 Inch Chrome Wide Smooth...
    PPR_301076
    SKU:
    PPR_301076
    Product Type:
    Exhaust
    Diameter Options:
    6 Inch
    Material Options:
    Steel
    Diameter Options:
    7 Inch
    Style Options:
    Smooth
    Finish Options:
    Chrome-Plated
    Diameter Options:
    8 Inch
    Width Options:
    3 Inch
    Make:
    Universal Items
    Location:
    Made In USA
    $114.99 - $133.99
    Qty in Cart: 0
    Price:
    $114.99 - $133.99
    Subtotal:
  • FREE SHIPPING
    BESTfit Chrome Flat Top Exhaust Stack

    BESTfit Chrome Flat Top Exhaust Stack

    BESTFIT TRUCK PARTS

    $258.99 - $1,117.34
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 6 X 44 Chrome Flat Top Exhaust Stack Replaces 24P-60044CP6 X 44 Inch Flat Top Exhaust Stack By...
    PPR_301075
    SKU:
    PPR_301075
    Product Type:
    Exhaust
    Diameter Options:
    8 Inch
    Height Options:
    54 Inch
    Finish Options:
    Chrome-Plated
    Height Options:
    60 Inch
    Diameter Options:
    7 Inch
    Height Options:
    44 Inch
    Style Options:
    Flat Top
    Diameter Options:
    6 Inch
    Height Options:
    108 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $258.99 - $1,117.34
    Qty in Cart: 0
    Price:
    $258.99 - $1,117.34
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Chrome Miter Exhaust Stack

    BESTfit Chrome Miter Exhaust Stack

    BESTFIT TRUCK PARTS

    $235.99 - $984.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 6 X 44 Chrome Miter Exhaust Stack Replaces 24MP-60044CP6 X 44 Inch Miter Exhaust Stack By...
    PPR_301074
    SKU:
    PPR_301074
    Product Type:
    Exhaust
    Diameter Options:
    8 Inch
    Height Options:
    44 Inch
    Material Options:
    Steel
    Diameter Options:
    7 Inch
    Finish Options:
    Chrome-Plated
    Height Options:
    114 Inch
    Height Options:
    54 Inch
    Height Options:
    96 Inch
    Style Options:
    Miter Cut
    Diameter Options:
    6 Inch
    Finish Optionsq:
    Chrome-Plated
    Height Options:
    60 Inch
    Make:
    Universal Items
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $235.99 - $984.99
    Qty in Cart: 0
    Price:
    $235.99 - $984.99
    Subtotal:
  • BESTfit 8 Inch Chrome Exhaust Spool W/ Tapered Top

    BESTfit 8 Inch Chrome Exhaust Spool W/ Tapered Top

    BESTFIT TRUCK PARTS

    $489.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 8 X 52 Chrome Exhaust Spool W/ Tapered Top Replaces 24ZPX-80052CP8 X 52 Chrome Exhaust Spool W/...
    PPR_301069
    SKU:
    PPR_301069
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Position:
    Kit Full
    Diameter Options:
    8 Inch
    Height Options:
    52 Inch
    Material Options:
    Steel
    Style Options:
    Tapered
    Ready To Ship:
    Yes
    Height Options:
    55 Inch
    Make:
    Universal Items
    Location:
    Made In USA
    $489.99
    Qty in Cart: 0
    Price:
    $489.99
    Subtotal:
  • BESTfit 6 Inch Chrome Exhaust Spool W/ Tapered Top

    BESTfit 6 Inch Chrome Exhaust Spool W/ Tapered Top

    BESTFIT TRUCK PARTS

    $439.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 6 X 52 Chrome Exhaust Spool W/ Tapered Top Replaces 24ZPX-70052CP6 X 52 Chrome Exhaust Spool W/...
    PPR_301065
    SKU:
    PPR_301065
    Product Type:
    Exhaust
    Diameter Options:
    6 Inch
    Material Options:
    Steel
    Ready To Ship:
    Yes
    Finish Options:
    Chrome-Plated
    Height Options:
    55 Inch
    Style Options:
    Tapered
    Height Options:
    52 Inch
    Make:
    Universal Items
    Location:
    Made In USA
    $439.99
    Qty in Cart: 0
    Price:
    $439.99
    Subtotal:
  • BESTfit 7 Inch Chrome Exhaust Spool W/ Tapered Top

    BESTfit 7 Inch Chrome Exhaust Spool W/ Tapered Top

    BESTFIT TRUCK PARTS

    $469.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 7 X 52 Chrome Exhaust Spool W/ Tapered Top Replaces 24ZPX-70052CP7 X 52 Chrome Exhaust Spool W/...
    PPR_301068
    SKU:
    PPR_301068
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Position:
    Kit Full
    Diameter Options:
    7 Inch
    Height Options:
    52 Inch
    Material Options:
    Steel
    Style Options:
    Tapered
    Ready To Ship:
    Yes
    Height Options:
    55 Inch
    Make:
    Universal Items
    Location:
    Made In USA
    $469.99
    Qty in Cart: 0
    Price:
    $469.99
    Subtotal:
  • BESTfit Diesel Particulate Filter Gasket For Cummins Replaces 2871772, 5417860

    BESTfit Diesel Particulate Filter Gasket For Cummins Replaces 2871772, 5417860

    BESTFIT TRUCK PARTS

    $24.99
    Diesel Particulate Filter Gasket By BESTfit Replaces 2871772, 5417860 Fits CumminsEnsure a secure, leak-resistant seal in your exhaust aftertreatment system with this BESTfit Diesel Particulate...
    29-08090001
    SKU:
    29-08090001
    Product Type:
    Exhaust
    Location:
    Made In USA
    Shape Options:
    Round
    Diameter Options:
    12 Inch
    Style Options:
    Cummins
    Make:
    Universal Items
    $24.99
    Qty in Cart: 0
    Price:
    $24.99
    Subtotal:
  • BESTfit 8 X 60 Chrome Bull Hauler Exhaust Stack Replaces 26P-80060CP

    BESTfit 8 X 60 Chrome Bull Hauler Exhaust Stack Replaces 26P-80060CP

    BESTFIT TRUCK PARTS

    $565.99
    8 X 60 Inch Bull Hauler Exhaust Stack By BESTfit Replaces 26P-80060CP* High Quality Exhaust Stack* Made Of Chrome Plated Steel* Bull Hauler Top* Dimensions:  - 60 Inch Height  - 8 Inch Outside...
    09-088060044
    SKU:
    09-088060044
    Product Type:
    Exhaust
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Height Options:
    60 Inch
    Style Options:
    Bull Hauler Turn
    Diameter Options:
    8 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    $565.99
    Qty in Cart: 0
    Price:
    $565.99
    Subtotal:
  • BESTfit 6 X 60 Chrome Bull Horn Exhaust Stack

    BESTfit 6 X 60 Chrome Bull Horn Exhaust Stack

    BESTFIT TRUCK PARTS

    $458.99
    6 X 60 Inch Bull Horn Exhaust Stack By BESTfit* High Quality Exhaust Stack* Made Of Chrome Plated Steel* Bull Horn Top* Dimensions:  - 60 Inch Height  - 6 Inch Outside Diameter* Sold Individually*...
    09-086060044
    SKU:
    09-086060044
    Product Type:
    Exhaust
    Height Options:
    60 Inch
    Diameter Options:
    6 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Style Options:
    Bullhorn Top Style
    Location:
    Made In USA
    Make:
    Universal Items
    $458.99
    Qty in Cart: 0
    Price:
    $458.99
    Subtotal:
  • BESTfit 5 Inch ID-OD Chrome Exhaust Tee 24 Inch OD & 15 Inch ID

    BESTfit 5 Inch ID-OD Chrome Exhaust Tee 24 Inch OD & 15 Inch ID

    BESTFIT TRUCK PARTS

    $243.99
    5 Inch ID-OD Chrome Exhaust Tee 24 Inch OD & 15 Inch ID By BESTfit* High Quality Exhaust Y-Pipe* Made Of Chrome Plated Steel* 2-Bend Design* Universal Fit* Dimensions:  - 24 Inch Outlet To Outlet...
    09-0806515
    SKU:
    09-0806515
    Product Type:
    Exhaust
    Diameter Options:
    5 Inch
    Finish Options:
    Chrome-Plated
    Location:
    Made In USA
    Material Options:
    Steel
    Length Options:
    24 Inch
    Make:
    Universal Items
    $243.99
    Qty in Cart: 0
    Price:
    $243.99
    Subtotal:
  • BESTfit 5 X 60 Steel Chino Top Brute Style Exhaust Stack

    BESTfit 5 X 60 Steel Chino Top Brute Style Exhaust Stack

    BESTFIT TRUCK PARTS

    $369.99
    5 X 60 Inch Chino Top Brute Style Exhaust Stack By BESTfit* High Quality Exhaust Stack* Made Of Chrome Plated Steel* Brute Style* Chino Top* Dimensions:  - 60 Inch Height  - 5 Inch Inside Diameter*...
    09-085060124
    SKU:
    09-085060124
    Product Type:
    Exhaust
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Location:
    Made In USA
    Height Options:
    60 Inch
    Finish Options:
    Chrome-Plated
    Style Options:
    Brute Style Chino
    Make:
    Universal Items
    $369.99
    Qty in Cart: 0
    Price:
    $369.99
    Subtotal:
  • BESTfit 6 X 36 Inch Stainless Steel Flex Pipe Replaces 53-600

    BESTfit 6 X 36 Inch Stainless Steel Flex Pipe Replaces 53-600

    BESTFIT TRUCK PARTS

    $129.99
    6 X 36 Inch Stainless Steel Flex Pipe By BESTfit Replaces 53-600* High Quality Exhaust Flex Pipe* Made Of Stainless Steel* Flexible Construction* Dimensions:  - 36 Inch Length  - 6 Inch Inside...
    09-08046364
    SKU:
    09-08046364
    Product Type:
    Exhaust
    Length Options:
    36 Inch
    Diameter Options:
    6 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Stainless Steel Blank Heat Shield 30 Inch

    BESTfit Stainless Steel Blank Heat Shield 30 Inch

    BESTFIT TRUCK PARTS

    $141.99
    30 Inch Stainless Steel Blank Heat Shield By BESTfitUpgrade your truck's exhaust system protection with the BESTfit Stainless Steel Blank Heat Shield 30 Inch, designed for durability and long-lasting...
    09-080800064
    SKU:
    09-080800064
    Product Type:
    Exhaust
    Height Options:
    30 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $141.99
    Qty in Cart: 0
    Price:
    $141.99
    Subtotal:
  • BESTfit Chrome Plated Steel Exhaust Elbow W/ 90 Degree Bend & 7 ID X 5 OD Inch

    BESTfit Chrome Plated Steel Exhaust Elbow W/ 90 Degree Bend & 7 ID X 5 OD Inch

    BESTFIT TRUCK PARTS

    $660.99
    7 ID X 5 OD Inch Chrome Plated Steel Exhaust Elbow W/ 90 Degree Bend By BESTfit* High Quality Exhaust Elbow* Made Of Chrome Plated Steel* 90 Degree Bend* Reducer Style Design* 7 Inch Outside Diameter...
    09-08011717
    SKU:
    09-08011717
    Product Type:
    Exhaust
    Degree Options:
    90
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Location:
    Made In USA
    Diameter Options:
    7 To 5 Inch
    Make:
    Universal Items
    $660.99
    Qty in Cart: 0
    Price:
    $660.99
    Subtotal:
  • BESTfit 5 Inch Stainless Steel Flat Band Clamp

    BESTfit 5 Inch Stainless Steel Flat Band Clamp

    BESTFIT TRUCK PARTS

    $28.99
    5 Inch Stainless Steel Flat Band Clamp By BESTfit* High Quality Exhaust Band Clamp* Made Of 304 Stainless Steel* Flat Band Design* Mounting Hardware Included* Dimensions:  - 5 Inch Inside Diameter*...
    09-08005001
    SKU:
    09-08005001
    Product Type:
    Exhaust
    Location:
    Made In USA
    Diameter Options:
    5 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $28.99
    Qty in Cart: 0
    Price:
    $28.99
    Subtotal:
  • BESTfit 7 Inch Chrome Plated Steel Exhaust Clamp For Peterbilt AeroStyle

    BESTfit 7 Inch Chrome Plated Steel Exhaust Clamp For Peterbilt AeroStyle

    BESTFIT TRUCK PARTS

    $169.99
    7 Inch Chrome Plated Steel Exhaust Clamp By BESTfit Fits Peterbilt AeroStyle* High Quality Exhaust Clamp* Made Of Chrome Plated Steel* Aero Style Slide Mount Bracket* Dimensions:  - 7 Inch Inside...
    02-08007005
    SKU:
    02-08007005
    Product Type:
    Exhaust
    Material Options:
    Steel
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Width Options:
    3 Inch
    Diameter Options:
    7 Inch
    Style Options:
    Aero Style
    Make:
    Kenworth
    $169.99
    Qty in Cart: 0
    Price:
    $169.99
    Subtotal:
  • BESTfit Stainless Steel Exhaust Clamp Kit For Peterbilt

    BESTfit Stainless Steel Exhaust Clamp Kit For Peterbilt

    BESTFIT TRUCK PARTS

    $381.99
    Stainless Steel Exhaust Clamp Kit By BESTfit Fits PeterbiltThe BESTfit Stainless Steel Exhaust Clamp Kit for Peterbilt provides everything needed to securely mount and support your truck's exhaust...
    01-0800500K01
    SKU:
    01-0800500K01
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    Diameter Options:
    5 Inch
    Material Options:
    Stainless Steel
    Position:
    Kit Full
    Make:
    Peterbilt
    $381.99
    Qty in Cart: 0
    Price:
    $381.99
    Subtotal:
  • BESTfit Chrome Exhaust Clamp W/ Wide Band Design & Angled Mount Bracket For Peterbilt

    BESTfit Chrome Exhaust Clamp W/ Wide Band Design & Angled Mount Bracket For Peterbilt

    BESTFIT TRUCK PARTS

    $129.99
    6 Inch Chrome Exhaust Clamp W/ Wide Band Design & Angled Mount Bracket By BESTfit Fits Peterbilt* High Quality Exhaust Clamp* Made Of Chrome Plated Steel* Wide Band Design* Angled Mount Bracket*...
    01-08006003
    SKU:
    01-08006003
    Product Type:
    Exhaust
    Location:
    Made In USA
    Width Options:
    3 Inch
    Finish Options:
    Chrome-Plated
    Type Options:
    Angled
    Diameter Options:
    6 Inch
    Style Options:
    Wide Style
    Material Options:
    Steel
    Make:
    Peterbilt
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • BESTfit Chrome Exhaust Clamp W/ Wide Band Design For Peterbilt

    BESTfit Chrome Exhaust Clamp W/ Wide Band Design For Peterbilt

    BESTFIT TRUCK PARTS

    $129.99
    6 Inch Chrome Exhaust Clamp W/ Wide Band Design By BESTfit Fits Peterbilt* High Quality Exhaust Clamp* Made Of Chrome Plated Steel* Wide Band Design* Straight Mount Bracket* Mounting Hardware...
    01-08006002
    SKU:
    01-08006002
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Type Options:
    Straight Mount
    Diameter Options:
    6 Inch
    Style Options:
    Wide Style
    Material Options:
    Steel
    Location:
    Made In USA
    Width Options:
    3 Inch
    Make:
    Peterbilt
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Exhaust Shield Clamp Replaces 09-0800583

    Exhaust Shield Clamp Replaces 09-0800583

    BESTFIT TRUCK PARTS

    $20.14
    Replacement Exhaust Shield Clamp* High Quality Exhaust Shield Clamp* 8 Inch Diameter* Sold Individually* Warranty On Exhaust Shield Clamps Against Defects In Workmanship & Material From Date Of...
    09-0808530
    SKU:
    09-0808530
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    Diameter Options:
    8 Inch
    Make:
    Universal Items
    $20.14
    Qty in Cart: 0
    Price:
    $20.14
    Subtotal:
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Adding your products to cart

Your Peterbilt 386 is built to work hard. So don’t let a worn-out or underperforming exhaust system hold it back. Our selection of aftermarket semi truck exhaust parts helps your diesel engine breathe easier, run cleaner, and sound stronger—while giving your truck a sharp, custom look.

Why Upgrade Your Peterbilt 386 Exhaust System?

Your exhaust system does more than push out fumes. It’s key to reducing backpressure, managing toxic emissions, and keeping your engine running efficiently. Consider improving under-the-hood cooling by throwing in somePeterbilt 386 AC parts or a Pete 386 transmission upgrade. And if you want more power, better fuel economy, or just a tougher sound—a comprehensive exhaust system upgrade is the way to go. Our aftermarket exhaust parts for the 386 are made for heavy duty, commercial use. They’re built to last and engineered to perform.

What's Included?

From under the hood to above the cab, we’ve got the exhaust components you need to replace or upgrade: - Exhaust Manifolds: Route exhaust away from the engine with solid, heat-resistant construction. - Performance Turbochargers: Reclaim exhaust pressure to boost engine power and improve throttle response. - Exhaust Pipes & Elbows:Direct flow with precision bends and stainless or aluminized steel options. - Diesel Oxidation Catalysts (DOC): Break down carbon monoxide and hydrocarbons. - Diesel Particulate Filters (DPF): Trap soot and protect the environment (and your warranty). - Selective Catalytic Reduction (SCR): Cut NOx emissions using DEF. Essential for newer emissions systems. - Mufflers: Tone down the rumble without restricting your exhaust flow. - Exhaust Stacks & Tips: Top it off with polished chrome stacks or blackout finishes. Go with straight, mitered, or curved tips for the look you want.
Every part is engineered for semi truck durability. Whether you're replacing a cracked manifold or upgrading to a full aftermarket exhaust kit, you’ll find dependable parts that match your rig’s specs. Need a better look too? Chrome stacks and powder-coated tips give your 386 that custom edge.
We carry all the support hardware and finishing pieces that bring your exhaust system together: Clamps and brackets; Heat shields; Gaskets and seals; Flex pipes and mounting kits. No guesswork. Just direct-fit parts you can install and get rolling.

Shop the Best Replacement Exhaust Parts Online

Your Peterbilt 386 diesel truck deserves the best—whether it’s a full system overhaul or a quick component swap. At 4 State Trucks, we make it easy to shop aftermarket exhaust parts online with confidence. So if you're ready to upgrade your exhaust stacks, DPF, muffler, or piping, we’ve got the quality replacement parts and performance kits to match.

Frequently Asked Questions About Peterbilt 386 Exhaust Parts

What years does the Peterbilt 386 exhaust system fit, and are there different configurations I need to know about?

Peterbilt 386 exhaust parts are designed for model years 2005-2015. However, there are important variations to consider: pre-2008 models typically use a different mounting bracket configuration than 2008-2015 models. Additionally, day cab and sleeper cab configurations may require different stack lengths and elbow angles. Always verify your specific truck's OEM and configuration before ordering to ensure proper fitment.

What's the difference between aluminized and chrome exhaust stacks, and which one lasts longer?

Aluminized steel exhaust parts feature an aluminum-silicon coating that provides good corrosion resistance at a lower price point, typically lasting 3-5 years depending on conditions. Chrome exhaust stacks offer superior corrosion resistance and a mirror-like finish but come at a higher cost, often lasting 7-10 years with proper maintenance. For trucks operating in harsh winter conditions with road salt exposure, chrome is generally the better long-term investment.

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

Most Peterbilt 386 exhaust components can be installed with standard hand tools, including wrenches, sockets, and a torque wrench. However, you'll likely need exhaust clamps (typically 5-inch for standard applications), high-temperature exhaust sealant, and potentially new gaskets. Stack installation usually requires two people due to weight and positioning. Plan for 2-4 hours for a complete system replacement, depending on your experience level.

Why are there different elbow angles available, and how do I know which one I need?

Elbow angles for Peterbilt 386 exhaust systems typically come in 45, 60, and 90-degree options. The correct angle depends on your stack placement and cab configuration. Sleeper cabs often use 45 or 60-degree elbows to direct exhaust away from the sleeper, while day cabs may use 90-degree elbows for a more vertical stack position. Measure your current setup or consult your truck's exhaust diagram to determine the proper angle.

What diameter exhaust pipe do I need, and will aftermarket parts affect my engine performance?

Most Peterbilt 386 models use 5-inch diameter exhaust systems, though some high-horsepower configurations may use 6-inch systems. Using the correct diameter is crucial for maintaining proper exhaust backpressure and engine performance. Switching to a larger diameter without proper engine tuning can actually reduce low-end torque. Always match your replacement parts to your original equipment specifications unless you're doing a complete performance upgrade with appropriate engine modifications.


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