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Peterbilt Exhaust Parts

Peterbilt Exhaust Parts

Upgrade your big rig with premium Peterbilt exhaust systems from 4 State Trucks. Our extensive collection of Peterbilt semi truck exhaust components delivers the perfect blend of performance and style. From chrome stacks to high-flow mufflers, we offer everything to enhance your Peterbilt exhaust setup. Improve fuel efficiency, reduce backpressure, and turn heads with our top-quality Peterbilt exhaust solutions. Whether you're after a subtle upgrade or a complete custom overhaul, 4 State Trucks has the Peterbilt exhaust options to make your truck rumble with power and pride on the open road.
  • Product
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  • FREE SHIPPING OVER $219
    TPHD Chrome 6 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    TPHD Chrome 6 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    TPHD

    $2,078.99 - $2,492.99
    6 To 5 Inch Stacks With Long Drop Elbows & 5 Inch Galvanized Taper Lock T-PipeAre you looking to replace an exhaust? Stop searching, 4 State Trucks have got you covered. If you have an exhaust that is damaged it has the ability to cause engine noise that...
    01-08K610T
    SKU:
    01-08K610T
    Diameter Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Long Drop
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,078.99 - $2,492.99
    Qty in Cart: 0
    Price:
    $2,078.99 - $2,492.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $219
    BESTfit Chrome 6 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    BESTfit Chrome 6 Inch Exhaust Kit With Long Drop Elbows For Peterbilt 379, 378 & 389 Glider

    BESTFIT TRUCK PARTS

    $1,999.79 - $3,286.79
    6 Inch Chrome Stacks With Long Drop ElbowsAre you looking for an exhaust that has everything you need? Stop searching, 4 State Trucks have you covered. An exhaust that is properly working allows gases from your engine to be let out more efficiently with...
    01-08K610
    SKU:
    01-08K610
    Diameter Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Long Drop
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $1,999.79 - $3,286.79
    Qty in Cart: 0
    Price:
    $1,999.79 - $3,286.79
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 359

    Lincoln Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 359

    LINCOLN CHROME

    $2,386.99 - $2,760.99
    6 To 5 Inch Stacks With 58 Degree ElbowsAre you looking to replace an exhaust? Stop searching, 4 State Trucks and Lincoln Chrome have got you covered. A damaged exhaust has the ability to decrease acceleration and power, increase fuel consumption, and it...
    01-08K605A
    SKU:
    01-08K605A
    Location:
    Made In USA
    Diameter Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,386.99 - $2,760.99
    Qty in Cart: 0
    Price:
    $2,386.99 - $2,760.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $219
    BESTfit Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 359

    BESTfit Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 359

    BESTFIT TRUCK PARTS

    $1,727.09 - $2,135.69
    BESTfit 6 To 5 Inch Stacks With 58 Degree ElbowsAre you looking to replace your exhaust? Stop searching, 4 State Trucks have got you covered. An exhaust that is working properly allows gases from your engine to be let out more efficiently and it has the...
    01-08K605
    SKU:
    01-08K605
    Diameter Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $1,727.09 - $2,135.69
    Qty in Cart: 0
    Price:
    $1,727.09 - $2,135.69
    Subtotal:
  • FREE SHIPPING OVER $219
    TPHD Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    TPHD Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    TPHD

    $1,874.99 - $2,142.99
    6 To 5 Inch Stacks With Standard ElbowsAre you looking to enhance your exhaust system? Stop looking, 4 State Trucks have you covered. A damaged exhaust has the ability cause to engine noise that is not normal, decrease the power in your truck, and it...
    01-08K600T
    SKU:
    01-08K600T
    Diameter Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $1,874.99 - $2,142.99
    Qty in Cart: 0
    Price:
    $1,874.99 - $2,142.99
    Subtotal:
  • FREE SHIPPING OVER $219
    Lincoln Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    Lincoln Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    LINCOLN CHROME

    $2,258.99 - $3,074.99
    6 Inch Chrome Stacks With Standard Style ElbowsAre you looking for a new exhaust that includes what you need? Stop searching, 4 State Trucks and Lincoln Chrome have got you covered. An exhaust that is properly functioning allows gases from your engine to...
    01-08K600A
    SKU:
    01-08K600A
    Location:
    Made In USA
    Diameter Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $2,258.99 - $3,074.99
    Qty in Cart: 0
    Price:
    $2,258.99 - $3,074.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $219
    BESTfit Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    BESTfit Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider

    BESTFIT TRUCK PARTS

    $1,830.59 - $2,492.09
    6 To 5 Inch Chrome Stacks With 58 Degree ElbowsAre you looking for an exhaust that would include everything you need? Stop searching, 4 State Trucks have you covered. A properly working exhaust allows gases from your engine to be let out more efficiently...
    01-08K600
    SKU:
    01-08K600
    Truck Class:
    Heavy Duty
    Diameter Options:
    6 Inch
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $1,830.59 - $2,492.09
    Qty in Cart: 0
    Price:
    $1,830.59 - $2,492.09
    Subtotal:
  • 40 Inch Chrome Steel Exhaust Shield Grab Handle For Peterbilt 377, 378, 379, 386

    40 Inch Chrome Steel Exhaust Shield Grab Handle For Peterbilt 377, 378, 379, 386

    AFTERMARKET

    $120.99
    Peterbilt Grab Handle For Original Style Exhaust ShieldThis chrome plated stainless steel grab handle is designed specifically for OE style Peterbilt exhaust shields. It measures 40 inches long and features 1-inch diameter vertical mounting holes with a...
    01-08446910
    SKU:
    01-08446910
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $120.99
    Qty in Cart: 0
    Price:
    $120.99
    Subtotal:
  • 5 Inch OE Style Upper Exhaust Mount Clamp For Peterbilt 377, 378, 379 & 386

    5 Inch OE Style Upper Exhaust Mount Clamp For Peterbilt 377, 378, 379 & 386

    AFTERMARKET

    $57.84
    5 Inch OE Upper Exhaust Mount Clamp For PeterbiltUpgrade and secure your Peterbilt exhaust with the 5 Inch OE Style Upper Exhaust Mount Clamp, designed for a precise fit on Peterbilt 377, 378, 379, and 386 models. Made from durable chrome-plated...
    01-08446620
    SKU:
    01-08446620
    Truck Class:
    Heavy Duty
    Style Options:
    Factory Style
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Length Options:
    5 Inch
    Product Type:
    Exhaust
    $57.84
    Qty in Cart: 0
    Price:
    $57.84
    Subtotal:
  • BESTfit Peterbilt 377 & 378 5 Inch Exhaust Shield Mounting Clamp Replaces 14-00924

    BESTfit Peterbilt 377 & 378 5 Inch Exhaust Shield Mounting Clamp Replaces 14-00924

    BESTFIT TRUCK PARTS

    $30.60
    Pete Exhaust Mount Clamp Half For 5 Inch PipeKeep your Peterbilt 377 & 378's exhaust securely mounted with our aluminized exhaust shield mounting clamp for 5-inch pipes. Designed to offer a robust solution for your truck, this clamp replaces OE number...
    01-08409240
    SKU:
    01-08409240
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminized Steel
    Make:
    Peterbilt
    Length Options:
    6 1/2 Inch
    Product Type:
    Exhaust
    $30.60
    Qty in Cart: 0
    Price:
    $30.60
    Subtotal:
  • BESTfit 5 Inch 90 Degree Lower Elbow Below Turbo Pipe Replaces 14-09456 For Peterbilt 379

    BESTfit 5 Inch 90 Degree Lower Elbow Below Turbo Pipe Replaces 14-09456 For Peterbilt 379

    BESTFIT TRUCK PARTS

    $121.99
    Steel 90 Degree Elbow PipeElevate your Peterbilt 379 with the BESTfit 5 Inch 90 Degree Lower Elbow, designed for placement below the turbo. Made from robust steel and designed for below-turbo installation, this elbow ensures improved exhaust flow and...
    01-08194560
    SKU:
    01-08194560
    Diameter Options:
    5 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    Elbow
    Material Options:
    Steel
    Degree Options:
    90
    Make:
    Peterbilt
    Product Type:
    Exhaust
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • Peterbilt 378, 379 8 To 5 Inch 58 Degree Chrome Exhaust Elbow by BESTfit

    Peterbilt 378, 379 8 To 5 Inch 58 Degree Chrome Exhaust Elbow by BESTfit

    BESTFIT TRUCK PARTS

    $406.99
    BESTfit Exhaust Pipe Elbow With Tapered Top For O.D. StacksGive your Peterbilt 378 or 379 an exhaust upgrade with the BESTfit 8 to 5 Inch 58 Degree Chrome Exhaust Elbow from 4 State Trucks. This premium elbow features a 58-degree bend and a tapered top...
    01-081853056
    SKU:
    01-081853056
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Degree Options:
    60
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Diameter Options:
    8 Inch
    Style Options:
    Elbow
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $406.99
    Qty in Cart: 0
    Price:
    $406.99
    Subtotal:
  • Peterbilt 378, 379 7 To 5 Inch OD Chrome Steel 58 Degree Exhaust Elbow by BESTfit

    Peterbilt 378, 379 7 To 5 Inch OD Chrome Steel 58 Degree Exhaust Elbow by BESTfit

    BESTFIT TRUCK PARTS

    $396.99
    BESTfit Exhaust Elbow 7-5 Inch Fits Peterbilt 379 & 378Transform your Peterbilt 378 or 379's exhaust system with the BESTfit Chrome Steel 58 Degree Exhaust Elbow, designed to replace OE number 14-13056Cp. Made from chrome-plated steel, this exhaust elbow...
    01-081753056
    SKU:
    01-081753056
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Degree Options:
    60
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Diameter Options:
    7 Inch
    Style Options:
    Elbow
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $396.99
    Qty in Cart: 0
    Price:
    $396.99
    Subtotal:
  • Peterbilt 379 & 378 6 To 5 Inch OD Chrome 58 Degree Exhaust Elbow by BESTfit

    Peterbilt 379 & 378 6 To 5 Inch OD Chrome 58 Degree Exhaust Elbow by BESTfit

    BESTFIT TRUCK PARTS

    $399.99
    BESTfit Exhaust Elbow 6-5 Inch Fits Peterbilt 379 & 378Revamp your Peterbilt 378 or 379's exhaust system with the BESTfit Chrome 58 Degree Exhaust Elbow, tailored for trucks with OE elbow number 14-13056Cp. Crafted from durable chrome-plated steel, this...
    01-081653056
    SKU:
    01-081653056
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Degree Options:
    58
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Diameter Options:
    6 Inch
    Style Options:
    Elbow
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $399.99
    Qty in Cart: 0
    Price:
    $399.99
    Subtotal:
  • Peterbilt 357, 378, 379 5 Inch ID / OD Multi-Bend Exhaust Elbow - Driver Side Replaces 14-15501

    Peterbilt 357, 378, 379 5 Inch ID / OD Multi-Bend Exhaust Elbow - Driver Side Replaces 14-15501

    AUTOMANN USA

    $1,153.99
    Driver Side Multi-Bend Exhaust Elbow Fits Peterbilt 378/357This 5-inch Multibend Plain Peterbilt Exhaust Elbow replaces the OE number 14-15501 and the Dynaflex number 09-8-164-223. It's designed to replace the old exhaust elbow on the driver's side with...
    01-08155010
    SKU:
    01-08155010
    Truck Class:
    Heavy Duty
    Diameter Options:
    5 Inch
    Location:
    Made In USA
    Style Options:
    Elbow Multi-Bend
    Material Options:
    Aluminized Steel
    Make:
    Peterbilt
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $1,153.99
    Qty in Cart: 0
    Price:
    $1,153.99
    Subtotal:
  • BESTfit 5 Inch Plain Economy Exhaust Y-Pipe Combo For Peterbilt 357, 378 Passenger Side W/ Hi Mount Exhaust

    BESTfit 5 Inch Plain Economy Exhaust Y-Pipe Combo For Peterbilt 357, 378 Passenger Side W/ Hi Mount Exhaust

    BESTFIT TRUCK PARTS

    $653.99
    BESTfit 5 Inch Exhaust Y-Pipe Combo Fits Peterbilt 357 & 378 Passenger SideThe BESTfit 5 Inch Plain Economy Exhaust Y-Pipe Combo is an ideal replacement for Peterbilt 357 and 378 trucks with high mount passenger side exhaust systems. Designed to match OE...
    01-08155001
    SKU:
    01-08155001
    Truck Class:
    Heavy Duty
    Diameter Options:
    5 Inch
    Make:
    Peterbilt
    Material Options:
    Steel
    Style Options:
    Y-Pipe
    Product Type:
    Exhaust
    $653.99
    Qty in Cart: 0
    Price:
    $653.99
    Subtotal:
  • Peterbilt 357, 378, 379 5 Inch OD/OD/ID Y Pipe Elbow Combo - Passenger Side By BESTfit Replaces 14-13965

    Peterbilt 357, 378, 379 5 Inch OD/OD/ID Y Pipe Elbow Combo - Passenger Side By BESTfit Replaces 14-13965

    BESTFIT TRUCK PARTS

    $1,399.99
    BESTfit Aluminized Steel Hi Mount Y 5 Bend Pipe ComboThe 5" 5-bend Y-pipe made of aluminized material and featuring an outer diameter/outer diameter/inner diameter design is specifically designed for Peterbilt 357, 378, and 379 models manufactured...
    01-08155000
    SKU:
    01-08155000
    Truck Class:
    Heavy Duty
    Diameter Options:
    5 Inch
    Location:
    Made In USA
    Material Options:
    Aluminized Steel
    Make:
    Peterbilt
    Style Options:
    Y-Pipe
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $1,399.99
    Qty in Cart: 0
    Price:
    $1,399.99
    Subtotal:
  • BESTfit 5 Inch 90 Degree Exhaust Elbow BOM Replaces 14-25079 For Peterbilt 387 With Dual Exhaust 2002-2007

    BESTfit 5 Inch 90 Degree Exhaust Elbow BOM Replaces 14-25079 For Peterbilt 387 With Dual Exhaust 2002-2007

    BESTFIT TRUCK PARTS

    $102.99
    5 Inch 90 Degree Exhaust Elbow BOM Fits Peterbilt 387The BESTfit 5 Inch 90 Degree Exhaust Elbow BOM is a premium replacement designed for Peterbilt 387 trucks with dual exhaust systems from 2002 to 2007. Featuring a durable 5-inch OD/OD construction,...
    01-08150790
    SKU:
    01-08150790
    Truck Class:
    Heavy Duty
    Diameter Options:
    5 Inch
    Style Options:
    Elbow
    Material Options:
    Aluminized Steel
    Degree Options:
    90
    Make:
    Peterbilt
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $102.99
    Qty in Cart: 0
    Price:
    $102.99
    Subtotal:
  • Peterbilt 357, 377, 378, 379 5 Inch Multi-Bend Down Pipe, Replaces 14-15073 by BESTfit

    Peterbilt 357, 377, 378, 379 5 Inch Multi-Bend Down Pipe, Replaces 14-15073 by BESTfit

    BESTFIT TRUCK PARTS

    $249.99
    BESTfit Aluminized Steel 90 Degree Exhaust Down PipeThe 5 Inch Multi-Bend Down Pipe is the go-to replacement for OE numbers 14-15073 & EP50-EL90124A, and it fits Peterbilt 357, 377, 378, and 379 models. Constructed from high-quality aluminized steel,...
    01-08150730
    SKU:
    01-08150730
    Truck Class:
    Heavy Duty
    Diameter Options:
    5 Inch
    Location:
    Made In USA
    Style Options:
    Elbow Multi-Bend
    Material Options:
    Steel
    Make:
    Peterbilt
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $249.99
    Qty in Cart: 0
    Price:
    $249.99
    Subtotal:
  • BESTfit 5 Inch 90 Degree BOM Multi-Bend Aluminized Exhaust Elbow For Peterbilt

    BESTfit 5 Inch 90 Degree BOM Multi-Bend Aluminized Exhaust Elbow For Peterbilt

    BESTFIT TRUCK PARTS

    $247.99
    Multi-Bend Aluminized Exhaust Elbow Fits Single Exhaust Peterbilt 1999-2006The BESTfit 5 Inch 90 Degree BOM Multi-Bend Aluminized Exhaust Elbow is a high-quality down pipe designed for Peterbilt trucks. Made from durable aluminized steel, this 5-inch...
    01-08150290
    SKU:
    01-08150290
    Truck Class:
    Heavy Duty
    Diameter Options:
    5 Inch
    Location:
    Made In USA
    Style Options:
    Elbow Multi-Bend
    Material Options:
    Aluminized Steel
    Degree Options:
    90
    Make:
    Peterbilt
    Product Type:
    Exhaust
    $247.99
    Qty in Cart: 0
    Price:
    $247.99
    Subtotal:
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Peterbilt Exhaust Parts

If you drive a Peterbilt 379, 389, 378, or 359, your truck deserves more than just stock parts. Our aftermarket Peterbilt exhaust components are built to handle the demands of the open road—while giving your rig a clean, bold exterior look that commands attention.

Why Invest in Aftermarket Peterbilt Exhaust Parts?

- Boost Performance: Precision-engineered elbows, Y-pipes, and stack kits improve exhaust flow for better fuel efficiency and horsepower. - Customize Your Look: Choose from chrome or stainless steel stacks, tips, and brackets to match your rig’s personality. - Fight Corrosion: Durable, high-grade materials resist rust and road grime—keeping your setup sharp for the long haul. - Easy Upgrades: Bolt-on kits and replacement parts make installs fast, simple, and frustration-free. - Built for the Long Haul: Aftermarket parts often outlast stock components and are designed with real trucker feedback in mind.

Get a Full Exhaust System Upgrade

- Exhaust Stacks & Kits: Go with a straight cut, bull hauler, or turnout style for head-turning curb appeal. - Clamps, Brackets & Hangers: Heavy-duty fasteners that keep your system tight, quiet, and rattle-free. - Elbows & Y-Pipes: Optimize backpressure and performance where it matters most—under load. - Exhaust Tips & Accessories: Polish off your build with sleek chrome or stainless accents. - Complete Systems: All-in-one kits with everything you need for a full replacement or upgrade.

Shop for Replacement Exhaust Components Today

Expand your exhaust upgrades with related performance enhancements like new and improved Peterbilt charge air coolers or frame and chassis parts for more stable exhaust mounting. Whether you’re fixing a damaged pipe or customizing a show-ready big rig from the ground up, we’ve got the aftermarket Peterbilt exhaust parts to match your performance goals and style preferences.

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