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.
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TPHD Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider
TPHD
$1,874.99 - $2,142.996 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
- Degree Options:
- 60
- Cab Style:
- Unibuilt W/ 2 Cab Brackets
$1,874.99 - $2,142.99Qty in Cart: 0Price:$1,874.99 - $2,142.99Subtotal: -
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Lincoln Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider
LINCOLN CHROME
$2,467.99 - $3,074.996 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
- Degree Options:
- 60
- Cab Style:
- Unibuilt W/ 2 Cab Brackets
- Height Options:
- 114 Inch
- Height Options:
- 108 Inch
- Height Options:
- 96 Inch
- Height Options:
- 90 Inch
- Height Options:
- 102 Inch
- Style Options:
- Flat Top
- Style Options:
- Curve Turn
- Height Options:
- 118 Inch
- Height Options:
- 106 Inch
- Style Options:
- West Coast Turn
- Position:
- Kit Full
- Height Options:
- 120 Inch
- Style Options:
- Miter Cut
- Style Options:
- Bull Hauler Turn
- Style Options:
- Short 30 Turn
$2,467.99 - $3,074.99Qty in Cart: 0Price:$2,467.99 - $3,074.99Subtotal: -
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BESTfit Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider
BESTFIT TRUCK PARTS
$2,033.99 - $2,768.996 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
- Degree Options:
- 60
- Availability:
- Ready To Ship
$2,033.99 - $2,768.99Qty in Cart: 0Price:$2,033.99 - $2,768.99Subtotal: -
40 Inch Chrome Steel Exhaust Shield Grab Handle For Peterbilt 377, 378, 379, 386
AFTERMARKET
$120.99Peterbilt 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
$120.99Qty in Cart: 0Price:$120.99Subtotal: -
FREE SHIPPING OVER $249
5 Inch OE Style Upper Exhaust Mount Clamp For Peterbilt 377, 378, 379 & 386
AFTERMARKET
$57.845 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
$57.84Qty in Cart: 0Price:$57.84Subtotal: -
FREE SHIPPING OVER $249
BESTfit 5 Inch Exhaust Shield Mounting Clamp Replaces 14-00924 For Peterbilt 377 & 378
BESTFIT TRUCK PARTS
$30.60Exhaust Mount Clamp Half For 5 Inch Pipe By BESTfitKeep 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...01-08409240- SKU:
- 01-08409240
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminized Steel
- Make:
- Peterbilt
- Length Options:
- 6 1/2 Inch
- Product Type:
- Exhaust
- Availability:
- Ready To Ship
- Color:
- Black
- Diameter Options:
- 5 Inch
- Height Options:
- 1 1/4 Inch
$30.60Qty in Cart: 0Price:$30.60Subtotal: -
BESTfit 5 Inch 90 Degree Lower Elbow Below Turbo Pipe Replaces 14-09456 For Peterbilt 379
BESTFIT TRUCK PARTS
$121.99Steel 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
$121.99Qty in Cart: 0Price:$121.99Subtotal: -
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Peterbilt 378, 379 8 To 5 Inch 58 Degree Chrome Exhaust Elbow by BESTfit
BESTFIT TRUCK PARTS
$406.99BESTfit 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
$406.99Qty in Cart: 0Price:$406.99Subtotal: -
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Peterbilt 378, 379 7 To 5 Inch OD Chrome Steel 58 Degree Exhaust Elbow by BESTfit
BESTFIT TRUCK PARTS
$396.99BESTfit 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
$396.99Qty in Cart: 0Price:$396.99Subtotal: -
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Peterbilt 379 & 378 6 To 5 Inch OD Chrome 58 Degree Exhaust Elbow by BESTfit
BESTFIT TRUCK PARTS
$399.99BESTfit 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
$399.99Qty in Cart: 0Price:$399.99Subtotal: -
5 Inch ID / OD Multi-Bend Exhaust Elbow - Driver Side Replaces 14-15501 For Peterbilt 357, 378, 379
AUTOMANN USA
$1,153.99Driver Side Multi-Bend Exhaust Elbow Fits Peterbilt 378/357Optimize your Peterbilt 357, 378, or 379 exhaust system with this high-quality 5 Inch ID / OD Multi-Bend Exhaust Elbow - Driver Side, engineered to replace OE 14-15501 and Dynaflex 09-8-164-223...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
$1,153.99Qty in Cart: 0Price:$1,153.99Subtotal: -
BESTfit 5 Inch Plain Economy Exhaust Y-Pipe Combo For Peterbilt 357, 378 Passenger Side W/ Hi Mount Exhaust
BESTFIT TRUCK PARTS
$653.99BESTfit 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
- Availability:
- Ready To Ship
$653.99Qty in Cart: 0Price:$653.99Subtotal: -
Peterbilt 357, 378, 379 5 Inch OD/OD/ID Y Pipe Elbow Combo - Passenger Side By BESTfit Replaces 14-13965
BESTFIT TRUCK PARTS
$1,399.99BESTfit 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
$1,399.99Qty in Cart: 0Price:$1,399.99Subtotal: -
FREE SHIPPING OVER $249
BESTfit 5 Inch 90 Degree Exhaust Elbow BOM Replaces 14-25079 For Peterbilt 387 With Dual Exhaust 2002-2007
BESTFIT TRUCK PARTS
$102.995 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
$102.99Qty in Cart: 0Price:$102.99Subtotal: -
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Peterbilt 357, 377, 378, 379 5 Inch Multi-Bend Down Pipe, Replaces 14-15073 by BESTfit
BESTFIT TRUCK PARTS
$249.99BESTfit 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
$249.99Qty in Cart: 0Price:$249.99Subtotal: -
BESTfit 5 Inch 90 Degree BOM Multi-Bend Aluminized Exhaust Elbow For Peterbilt
BESTFIT TRUCK PARTS
$247.99Multi-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
$247.99Qty in Cart: 0Price:$247.99Subtotal: -
FREE SHIPPING OVER $249
BESTfit Peterbilt 68 Degree Turbo Pipe Replaces 14-14256
BESTFIT TRUCK PARTS
$88.54Peterbilt Turbo Connection PipeUpgrade your Peterbilt with our premium 68 Degree Turbo Pipe, designed to seamlessly replace OE number 14-14256 and Dynaflex number 09-8-107-220. This high-quality turbo connection pipe is made from durable aluminized...01-08142560- SKU:
- 01-08142560
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Diameter Options:
- 6 Inch
- Style Options:
- Elbow
- Material Options:
- Aluminized Steel
- Degree Options:
- 68
- Product Type:
- Exhaust
- Availability:
- Ready To Ship
$88.54Qty in Cart: 0Price:$88.54Subtotal: -
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BESTfit 5 Inch Multi-Bend Turbo Pipe Replaces 14-13825 For Peterbilt 379, 378 & 357
BESTFIT TRUCK PARTS
$290.99Multi-Bend Turbo Pipe For PeterbiltRevitalize your Peterbilt's exhaust system with the BESTfit 5 Inch Multi-Bend Turbo Pipe from 4 State Trucks. Constructed from high-grade aluminum for maximum durability, this turbo pipe features a 5-inch flanged inlet...01-08138250- SKU:
- 01-08138250
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminized Steel
- Make:
- Peterbilt
- Product Type:
- Exhaust
- Availability:
- Ready To Ship
$290.99Qty in Cart: 0Price:$290.99Subtotal: -
FREE SHIPPING OVER $249
BESTfit 5 Inch ID/OD 90 Degree Elbow Pipe Replaces 14-13433 For Peterbilt 379
BESTFIT TRUCK PARTS
$91.99BESTfit Lower Elbow Below Turbo Frame PipeFor Peterbilt 379 owners, the BESTfit 5 Inch ID/O.D. 90 Degree Elbow Pipe offers a replacement for OE number 14-13433. Sold individually, this elbow pipe is made from high-quality galvanized steel, offering...01-08134330- SKU:
- 01-08134330
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Style Options:
- Elbow
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Peterbilt
- Length Options:
- 12 Inch
- Finish Options:
- Galvanized
- Product Type:
- Exhaust
- Availability:
- Ready To Ship
$91.99Qty in Cart: 0Price:$91.99Subtotal: -
FREE SHIPPING OVER $249
Peterbilt 377, 378, 379 5 Inch OD 58 Degree Turbo Elbow, Replaces 14-13430 by BESTfit
BESTFIT TRUCK PARTS
$134.99BESTfit Aluminized Steel 58-Degree Turbo Exhaust Pipe ReplacementThe BESTfit 5 Inch OD 58 Degree Turbo Elbow is designed to provide Peterbilt 377, 378, and 379 models with an exhaust upgrade. This high-quality replacement pipe, made in the USA, is a...01-08134300- SKU:
- 01-08134300
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Steel
- Degree Options:
- 58
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
- Availability:
- Ready To Ship
$134.99Qty in Cart: 0Price:$134.99Subtotal:
