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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!
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  • Quantity
  • Price
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  • BESTfit 10 X 48 Inch Stainless Steel 270 Degree Heat Shield

    BESTfit 10 X 48 Inch Stainless Steel 270 Degree Heat Shield

    BESTFIT TRUCK PARTS

    $259.99
    10 X 48 Inch Stainless Steel 270 Degree Heat Shield By BESTfitKeep your exhaust system cool and your truck safe with the BESTfit 10 X 48 Inch Stainless Steel 270 Degree Heat Shield. With a 270-degree...
    09-080800061
    SKU:
    09-080800061
    Style Options:
    Vertical
    Height Options:
    48 Inch
    Diameter Options:
    10 Inch
    Degree Options:
    270
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $259.99
    Qty in Cart: 0
    Price:
    $259.99
    Subtotal:
  • BESTfit 5 Inch Stainless Steel Flex Pipe

    BESTfit 5 Inch Stainless Steel Flex Pipe

    BESTFIT TRUCK PARTS

    $48.39
    5 Inch 409 Stainless Steel Flex Pipe By BESTfitMaintain your exhaust system's integrity with the BESTfit 5 Inch Stainless Steel Flex Pipe. Its 24-inch pre-cut length and 5-inch diameter make it an...
    09-08040016
    SKU:
    09-08040016
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Length Options:
    24 Inch
    Diameter Options:
    5 Inch
    Make:
    Universal Items
    $48.39
    Qty in Cart: 0
    Price:
    $48.39
    Subtotal:
  • BESTfit Stainless Steel Straight Cab Bracket Replaces 14-14792, 1414792 For Peterbilt

    BESTfit Stainless Steel Straight Cab Bracket Replaces 14-14792, 1414792 For Peterbilt

    BESTFIT TRUCK PARTS

    $164.99
    Replacement Straight Cab Bracket By BESTfitWhen it comes to maintaining the integrity of your Peterbilt cab, choosing a reliable replacement bracket is key. This BESTfit Stainless Steel Straight Cab...
    01-080000015
    SKU:
    01-080000015
    Finish Options:
    Polished
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Style Options:
    Straight Style
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • BESTfit 7 to 5 Inch OD 60 Degree Chrome Elbow For Peterbilt

    BESTfit 7 to 5 Inch OD 60 Degree Chrome Elbow For Peterbilt

    BESTFIT TRUCK PARTS

    $531.99
    Chrome 7 to 5 Inch OD 60 Degree Elbow By BESTfitGet the perfect angle and fit for your exhaust system with this BESTfit 7 to 5 Inch OD 60 Degree Chrome Elbow, made to meet the demands of Peterbilt...
    01-080300008
    SKU:
    01-080300008
    Finish Options:
    Chrome-Plated
    Style Options:
    Elbow
    Degree Options:
    60
    Product Type:
    Exhaust
    Make:
    Peterbilt
    Diameter Options:
    7 To 5 Inch
    Material Options:
    Steel
    $531.99
    Qty in Cart: 0
    Price:
    $531.99
    Subtotal:
  • BESTfit 7 Inch Chrome Offset Stack Mounting Bracket For Peterbilt

    BESTfit 7 Inch Chrome Offset Stack Mounting Bracket For Peterbilt

    BESTFIT TRUCK PARTS

    $154.99
    7 Inch Offset Stack Mounting Bracket By BESTfitAdd strength and shine to your exhaust setup with this BESTfit 7 Inch Chrome Offset Stack Mounting Bracket designed for Peterbilt trucks. Built for a...
    01-080000016
    SKU:
    01-080000016
    Finish Options:
    Chrome-Plated
    Diameter Options:
    7 Inch
    Style Options:
    Offset
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Width Options:
    3 Inch
    Make:
    Peterbilt
    $154.99
    Qty in Cart: 0
    Price:
    $154.99
    Subtotal:
  • 5 Inch Steel Flat U- Bolt Saddle Clamp Replaces P206603, RO5, FB-5ZN, FB5ZN, EC50UZP, 35757

    5 Inch Steel Flat U- Bolt Saddle Clamp Replaces P206603, RO5, FB-5ZN, FB5ZN, EC50UZP, 35757

    AUTOMANN USA

    $8.62
    5 Inch U- Bolt Saddle ClampExperience long-lasting performance and secure mounting with the 5 Inch Steel Flat U-Bolt Saddle Clamp, designed for 5-inch diameter pipes and tubing. Its zinc-coated steel...
    29-08000038
    SKU:
    29-08000038
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    $8.62
    Qty in Cart: 0
    Price:
    $8.62
    Subtotal:
  • 5 Inch Aluminized Steel Pre- Formed Band Clamp Replaces K15067, N3550PLAG, W33970

    5 Inch Aluminized Steel Pre- Formed Band Clamp Replaces K15067, N3550PLAG, W33970

    AUTOMANN USA

    $10.02
    5 Inch Pre- Formed Band ClampBuilt for durability and performance, the 5 Inch Aluminized Steel Pre-Formed Band Clamp secures exhaust connections on 5-inch pipes with ease. Its lap joint and stepped...
    29-08000037
    SKU:
    29-08000037
    Shape Options:
    Round
    Diameter Options:
    5 Inch
    Product Type:
    Exhaust
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    $10.02
    Qty in Cart: 0
    Price:
    $10.02
    Subtotal:
  • BESTfit 8 X 96 Inch Chrome West Coast Turn Exhaust Stack

    BESTfit 8 X 96 Inch Chrome West Coast Turn Exhaust Stack

    BESTFIT TRUCK PARTS

    $1,085.61
    8 X 96 Inch West Coast Turn Exhaust Stack By BESTfitTake your truck's exhaust system to the next level with the BESTfit 8 x 96 Inch Chrome West Coast Turn Exhaust Stack. Featuring the signature West...
    09-085096172
    SKU:
    09-085096172
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Style Options:
    West Coast Turn
    Diameter Options:
    8 Inch
    Product Type:
    Exhaust
    Make:
    Universal Items
    Height Options:
    96 Inch
    $1,085.61
    Qty in Cart: 0
    Price:
    $1,085.61
    Subtotal:
  • DPF Strap Clamp W/ T-Bolt- 13.625 Inch

    DPF Strap Clamp W/ T-Bolt- 13.625 Inch

    AUTOMANN USA

    $22.90
    13.625 Inch DPF Strap Clamp W/ T-BoltSecure your Diesel Particulate Filter with the DPF Strap Clamp W/ T-Bolt - 13.625 Inch, engineered for reliability and long-term durability. Constructed from...
    09-08060000
    SKU:
    09-08060000
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Diameter Options:
    13 1/2 Inch
    Make:
    Universal Items
    $22.90
    Qty in Cart: 0
    Price:
    $22.90
    Subtotal:
  • On Sale
    Limited Quantity Available
    Pressure Protection Valve Replaces A6814290844, 223-365

    Pressure Protection Valve Replaces A6814290844, 223-365

    AFTERMARKET

    Now: $28.73
    Was: $41.04
    3/8 Inch NPT Pressure Protection ValveSafeguard your truck's pneumatic system with this precision-engineered Pressure Protection Valve, providing reliable pressure control at 65 PSI opening and 55...
    29-05040001
    SKU:
    29-05040001
    Rating:
    65 PSI
    Product Type:
    Exhaust
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $28.73
    Was: $41.04
    Qty in Cart: 0
    Price:
    Now: $28.73
    Was: $41.04
    Subtotal:
  • 5 X 60 Inch Aluminized Steel Straight Exhaust Stack

    5 X 60 Inch Aluminized Steel Straight Exhaust Stack

    AFTERMARKET

    $80.99
    5 X 60 Inch Straight Exhaust StackEngineered for strength and longevity, this 5 x 60 Inch Aluminized Steel Straight Exhaust Stack combines rugged 16-gauge aluminized steel construction with precise...
    09-08011716
    SKU:
    09-08011716
    Diameter Options:
    5 Inch
    Length Options:
    60 Inch
    Material Options:
    Aluminum
    Product Type:
    Exhaust
    Size Options:
    16 Gauge
    Make:
    Universal Items
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • Poly Exhaust Mount Bushings - 4 Pack For Peterbilt

    Poly Exhaust Mount Bushings - 4 Pack For Peterbilt

    AUTOMANN USA

    $26.41
    0.375 ID X 1.27 OD X 1.25 Inch Exhaust Mount BushingsSecure your Peterbilt exhaust with this set of four poly exhaust mount bushings, measuring 0.375-inch inner diameter, 1.27-inch outer diameter,...
    01-080700017
    SKU:
    01-080700017
    Diameter Options:
    1 1/4 Inch
    Color:
    Blue
    Length Options:
    1 1/4 Inch
    Product Type:
    Exhaust
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $26.41
    Qty in Cart: 0
    Price:
    $26.41
    Subtotal:
  • TPHD 11.25 Inch Stainless Steel DPF V-Band Clamp Replaces 6809950102, A6809950102 For Detroit Diesel Engine

    TPHD 11.25 Inch Stainless Steel DPF V-Band Clamp Replaces 6809950102, A6809950102 For Detroit Diesel Engine

    TURNPIKE TRUCK TRIM

    $31.39
    11.25 Inch DPF V-Band Clamp For Detroit Diesel Engine By TPHDMaintain peak performance and reliability with the TPHD 11.25 Inch Stainless Steel DPF V-Band Clamp, built for Detroit Diesel engines...
    29-08060027
    SKU:
    29-08060027
    Product Type:
    Exhaust
    Diameter Options:
    11 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Make:
    Ram
    Make:
    Peterbilt
    $31.39
    Qty in Cart: 0
    Price:
    $31.39
    Subtotal:
  • 7-5 X 36 Inch Chrome West Coast Turn Exhaust Stack

    7-5 X 36 Inch Chrome West Coast Turn Exhaust Stack

    LINCOLN CHROME

    $370.99
    7-5 X 36 Inch West Coast Turn Exhaust StackAdd both style and functionality with the 7.5 x 36 Inch Chrome West Coast Turn Exhaust Stack. Its West Coast curved top ensures efficient exhaust flow,...
    09-087536071
    SKU:
    09-087536071
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Style Options:
    West Coast Turn
    Height Options:
    36 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    Diameter Options:
    7 To 5 Inch
    $370.99
    Qty in Cart: 0
    Price:
    $370.99
    Subtotal:
  • 8-5 X 36 Inch Chrome Bull Hauler Exhaust Stack

    8-5 X 36 Inch Chrome Bull Hauler Exhaust Stack

    LINCOLN CHROME

    $495.99
    8-5 X 36 Inch Bull Hauler Exhaust StackStep up your exhaust game with the 8-5 36 inch Chrome Bull Hauler Exhaust Stack. Designed for longevity and aesthetic impact, this stack features an oversized...
    09-088536050
    SKU:
    09-088536050
    Product Type:
    Exhaust
    Material Options:
    Steel
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Height Options:
    36 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Style Options:
    Bullhorn Top Style
    Diameter Options:
    8 Inch
    $495.99
    Qty in Cart: 0
    Price:
    $495.99
    Subtotal:
  • 5 X 60 Inch Chrome Miter Exhaust Stack

    5 X 60 Inch Chrome Miter Exhaust Stack

    TRUX ACCESSORIES

    $194.99
    5 X 60 Inch Miter Exhaust StackImprove exhaust flow and truck appearance with this 5 x 60 Inch Chrome Miter Exhaust Stack. Featuring a mitered top for precision airflow and a sturdy triple...
    09-08010090
    SKU:
    09-08010090
    Product Type:
    Exhaust
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Style Options:
    Miter Cut
    Finish Options:
    Chrome-Plated
    Length Options:
    60 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $194.99
    Qty in Cart: 0
    Price:
    $194.99
    Subtotal:
  • 6-5 X 60 Inch Chrome Curve Turn Exhaust Stack

    6-5 X 60 Inch Chrome Curve Turn Exhaust Stack

    TRUX ACCESSORIES

    $307.99
    6-5 X 60 Inch Curve Turn Exhaust StackExperience reliable exhaust performance with this 6.5 x 60 Inch Chrome Curve Turn Exhaust Stack. Designed with a curved top and a tapered 6-to-5-inch diameter,...
    09-08010088
    SKU:
    09-08010088
    Product Type:
    Exhaust
    Style Options:
    Curve Turn
    Finish Options:
    Chrome-Plated
    Length Options:
    60 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    $307.99
    Qty in Cart: 0
    Price:
    $307.99
    Subtotal:
  • 6 Inch Stainless Steel Exhaust Clamp W/ Straight Bracket For Peterbilt

    6 Inch Stainless Steel Exhaust Clamp W/ Straight Bracket For Peterbilt

    TRUX ACCESSORIES

    $111.99
    6 Inch Exhaust Clamp W/ Straight BracketEnsure your Peterbilt's exhaust system stays secure with the 6 Inch Stainless Steel Exhaust Clamp featuring a straight mounting bracket. Constructed from...
    01-0800602
    SKU:
    01-0800602
    Diameter Options:
    6 Inch
    Height Options:
    3 Inch
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $111.99
    Qty in Cart: 0
    Price:
    $111.99
    Subtotal:
  • 5 X 48 Inch Stainless Steel Flex Hose By BESTfit

    5 X 48 Inch Stainless Steel Flex Hose By BESTfit

    BESTFIT TRUCK PARTS

    $149.99
    BESTfit 304 Stainless Steel 5 X 48 Inch Flex Hose* High Quality Flex Hose* Sf Series - Non Magnetic* Interlocked Profile* 304 Stainless Steel* 48 Inch Length* 5 Inch Diameter* Sold Individually*...
    GR-SF-548
    SKU:
    GR-SF-548
    Material Options:
    Stainless Steel
    Diameter Options:
    5 Inch
    Product Type:
    Exhaust
    Make:
    Universal Items
    $149.99
    Qty in Cart: 0
    Price:
    $149.99
    Subtotal:
  • 7-5 X 54 Inch Chrome Curve Turn Exhaust Stack By BESTfit

    7-5 X 54 Inch Chrome Curve Turn Exhaust Stack By BESTfit

    BESTFIT TRUCK PARTS

    $717.99
    BESTfit Chrome 7-5 X 54 Inch Curve Turn Exhaust Stack* High Quality Exhaust Stack* Curved Top Style* Ceramic Lined To Help Prevent Chrome DISColoration* Chrome Plated Finish* 54 Inch Height* 7 Inch...
    GR-SK7-54SBC-L5CL
    SKU:
    GR-SK7-54SBC-L5CL
    Height Options:
    54 Inch
    Style Options:
    Paccar
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Make:
    Universal Items
    Diameter Options:
    7 To 5 Inch
    $717.99
    Qty in Cart: 0
    Price:
    $717.99
    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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