Peterbilt Exhaust
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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FREE SHIPPING OVER $219
Lincoln Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider
LINCOLN CHROME
$2,214.99 - $3,014.996 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
$2,214.99 - $3,014.99Qty in Cart: 0Price:$2,214.99 - $3,014.99Subtotal: -
FREE SHIPPING OVER $219
BESTfit Chrome 6 Inch Exhaust Kit With OE Style Elbows For Peterbilt 379, 378 & 389 Glider
BESTFIT TRUCK PARTS
$1,815.99 - $2,471.996 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
$1,815.99 - $2,471.99Qty in Cart: 0Price:$1,815.99 - $2,471.99Subtotal: -
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: -
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: -
BESTfit Peterbilt 377 & 378 5 Inch Exhaust Shield Mounting Clamp Replaces 14-00924
BESTFIT TRUCK PARTS
$29.70Pete 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
$29.70Qty in Cart: 0Price:$29.70Subtotal: -
BESTfit 5 Inch 90 Degree Lower Elbow Below Turbo Pipe Replaces 14-09456 For Peterbilt 379
BESTFIT TRUCK PARTS
$97.40Steel 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
$97.40Qty in Cart: 0Price:$97.40Subtotal: -
Peterbilt 378, 379 8 To 5 Inch 58 Degree Chrome Exhaust Elbow by BESTfit
BESTFIT TRUCK PARTS
$394.99BESTfit 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
$394.99Qty in Cart: 0Price:$394.99Subtotal: -
Peterbilt 378, 379 7 To 5 Inch OD Chrome Steel 60 Degree Exhaust Elbow by BESTfit
BESTFIT TRUCK PARTS
$306.99BESTfit Exhaust Elbow 7-5 Inch Fits Peterbilt 379 & 378Transform your Peterbilt 378 or 379's exhaust system with the BESTfit Chrome Steel 60 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
$306.99Qty in Cart: 0Price:$306.99Subtotal: -
Peterbilt 379 & 378 6 To 5 Inch OD Chrome 58 Degree Exhaust Elbow by BESTfit
BESTFIT TRUCK PARTS
$269.99BESTfit 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
$269.99Qty in Cart: 0Price:$269.99Subtotal: -
Peterbilt 357, 378, 379 5 Inch ID / OD Multi-Bend Exhaust Elbow - Driver Side Replaces 14-15501
AUTOMANN USA
$1,153.99Driver 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
$1,153.99Qty in Cart: 0Price:$1,153.99Subtotal: -
5 Inch Plain Economy Exhaust Y-Pipe Combo For Peterbilt 357, 378 Passenger Side W/ Hi Mount Exhaust
AUTOMANN USA
$653.995 Inch Exhaust Y-Pipe Combo Fits Peterbilt 357 & 378 Passenger Side* Economy Exhaust Elbow* Y Pipe* 5 Inch OD* Thickness 0.062 Inch* Sold Individually* Warranty On Exhaust Elbow Against Defects In Workmanship & Material From Date Of Purchase*** High...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
$653.99Qty 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
$1,364.99BESTfit 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
$1,364.99Qty in Cart: 0Price:$1,364.99Subtotal: -
BESTfit 5 Inch 90 Degree Exhaust Elbow BOM Replaces 14-25079 For Peterbilt 387 With Dual Exhaust 2002-2007
BESTFIT TRUCK PARTS
$98.165 Inch 90 Degree Exhaust Elbow BOM Fits Peterbilt 387* High Quality Exhaust Elbow* 90 Degree, 5 Inch OD/OD* Fits Peterbilt 387 With Dual Exhaust Behind the Sleeper* Sold Individually* Warranty on Exhaust Elbow Against Defects In Workmanship & Material...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
$98.16Qty in Cart: 0Price:$98.16Subtotal: -
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
$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 1999-2006* High Quality Down Pipe* Made Of Aluminized Steel* 5 Inch Diameter * OD/OD Pipe* 90 Degree Bends S Pipe* Sold Individually* Made In USA* Warranty On Down Pipes Against Defects In...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: -
BESTfit Peterbilt 68 Degree Turbo Pipe Replaces 14-14256
BESTFIT TRUCK PARTS
$84.69Peterbilt 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
$84.69Qty in Cart: 0Price:$84.69Subtotal: -
BESTfit 5 Inch Multi-Bend Elbow Replaces 14-13845RC For Peterbilt 378, 379 Passenger Side
BESTFIT TRUCK PARTS
$305.90BESTfit Exhaust Elbow Fits Peterbilt 378 & 379Introducing the BESTfit Exhaust Elbow for the passenger side of Peterbilt 378 and 379 models, and a replacement for OE number 14-13845RC. This exhaust elbow, made from chrome-plated steel, not only adds a...01-08138451- SKU:
- 01-08138451
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Elbow Multi-Bend
- Diameter Options:
- 8 Inch
- Product Type:
- Exhaust
$305.90Qty in Cart: 0Price:$305.90Subtotal: -
BESTfit 5 Inch Multi-Bend Exhaust Elbow Replaces 14-13845LC For Peterbilt 378, 379 Driver Side
BESTFIT TRUCK PARTS
$296.99BESTfit Exhaust Elbow Fits Peterbilt 378 & 379 Driver SideFor Peterbilt 378 and 379 owners, the BESTfit Exhaust Elbow presents a superior solution for enhancing your truck's exhaust on the driver side. Constructed from durable chrome-plated steel, this...01-08138450- SKU:
- 01-08138450
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Length Options:
- 22 Inch
- Style Options:
- Elbow Multi-Bend
- Diameter Options:
- 8 Inch
- Product Type:
- Exhaust
$296.99Qty in Cart: 0Price:$296.99Subtotal: -
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 innovative 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...01-08138250- SKU:
- 01-08138250
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminized Steel
- Make:
- Peterbilt
- Product Type:
- Exhaust
$290.99Qty in Cart: 0Price:$290.99Subtotal: -
BESTfit 5 Inch ID/OD 90 Degree Elbow Pipe Replaces 14-13433 For Peterbilt 379
BESTFIT TRUCK PARTS
$80.37BESTfit 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
$80.37Qty in Cart: 0Price:$80.37Subtotal:
