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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Chrome 6 Inch Y-Pipe For BESTfit Long Leg For Peterbilt 378, 379, 389, 389 Glider
BESTFIT TRUCK PARTS
$550.99BESTfit Y-Pipe Fits PeterbiltTransform your Peterbilt's exhaust system with the BESTfit Chrome 6 Inch Y-Pipe, engineered for 378, 379, 389, and 389 Glider models. Made from chrome-plated steel, this Y-Pipe not only enhances your truck's appearance but...01-08066500- SKU:
- 01-08066500
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Diameter Options:
- 6 Inch
- Style Options:
- Y-Pipe
- Product Type:
- Exhaust
$550.99Qty in Cart: 0Price:$550.99Subtotal: -
FREE SHIPPING OVER $219
BESTfit 5 Inch Aluminized Y Pipe RH Combo For Peterbilt 387
BESTFIT TRUCK PARTS
$498.99BESTfit 5 Inch Aluminized Y Pipe RH Combo* High Quality Exhaust Elbow* Exhaust Y-Pipe Elbow Right Hand Combo For 387* Sold Individually* Warranty on Exhaust Elbow Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...01-080650770- SKU:
- 01-080650770
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5 Inch
- Material Options:
- Aluminized Steel
- Make:
- Peterbilt
- Style Options:
- Y-Pipe
- Product Type:
- Exhaust
$498.99Qty in Cart: 0Price:$498.99Subtotal: -
Peterbilt 378, 379,389 Glider 5 Inch Aluminized Taper Lock Y-Pipe For by BESTfit Long 90 Degree Elbow
BESTFIT TRUCK PARTS
$192.99BESTfit 5 Inch Aluminized Taper Lock T-Pipe For Long Drop Elbows For Use Without Flex PipeOptimize your truck's exhaust system with the BESTfit 5 Inch Aluminized Taper Lock Y Pipe, tailored for Peterbilt 378, 379, and 389 Glider models. This T-Pipe is...01-08065001- SKU:
- 01-08065001
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5 Inch
- Style Options:
- Long Drop
- Material Options:
- Aluminized Steel
- Make:
- Peterbilt
- Product Type:
- Exhaust
$192.99Qty in Cart: 0Price:$192.99Subtotal: -
Peterbilt 378, 379, 389 Glider 5 Inch Chrome Taper Lock Y-Pipe For by Lincoln Chrome Long Elbow
LINCOLN CHROME
$672.95Lincoln Chrome 5 Inch Taper Lock Y PipeThe Lincoln Chrome 5 Inch Taper Lock Y Pipe is a premium exhaust upgrade for your Peterbilt 378, 379, or 389 Glider. This chrome-plated steel Y-pipe features a sleek design with 5-inch tapered ends that directly...01-080650003- SKU:
- 01-080650003
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5 Inch
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Y-Pipe
- Location:
- Made In USA
- Product Type:
- Exhaust
$672.95Qty in Cart: 0Price:$672.95Subtotal: -
Peterbilt 378, 379, 389, 389 Glider Chrome 5 Inch Tapered Y-Pipe by BESTfit
BESTFIT TRUCK PARTS
$368.99BESTfit 5 Inch Taper Lock Y Exhaust PipeEnhance your exhaust system with the BESTfit Chrome 5 Inch Tapered Y-Pipe, designed to fit Peterbilt 378, 379, 389, and 389 Glider models. This premium Y-Pipe is manufactured from chrome-plated steel, ensuring a...01-08065000- SKU:
- 01-08065000
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5 Inch
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Y-Pipe
- Product Type:
- Exhaust
$368.99Qty in Cart: 0Price:$368.99Subtotal: -
BESTfit Exhaust Tee Replaces 14-13978-0150 For Peterbilt 379 Day Cab With Mufflers Mounted Behind The Cab
BESTFIT TRUCK PARTS
$640.99BESTfit Exhaust Y Pipe Fits Peterbilt 379 Day Cab With Behind-The-Cab MufflersFor Peterbilt 379 day cab owners looking to replace their current exhaust tee, look no further than the BESTfit Exhaust Tee is the optimal choice. Sold individually, this...01-0806139780- SKU:
- 01-0806139780
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5 Inch
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Y-Pipe
- Product Type:
- Exhaust
$640.99Qty in Cart: 0Price:$640.99Subtotal: -
Peterbilt 359 5 Inch ID/OD Steel Exhaust Y-Pipe By BESTfit Replaces 14-14055
BESTFIT TRUCK PARTS
$275.99BESTfit Aluminized Steel Exhaust Y-Pipe Elbow Replaces OE 14-14055This replacement for your exhaust y-pipe elbow is crafted from sturdy aluminized steel. This durable component features a 5-inch diameter inlet and outlet, ensuring good fit for your...01-0806003- SKU:
- 01-0806003
- 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
$275.99Qty in Cart: 0Price:$275.99Subtotal: -
BESTfit 5 Inch ID/OD Chrome Y Exhaust Pipe Replaces 14-13055 For Peterbilt 377, 378 SBA, 378 SFA, 379
BESTFIT TRUCK PARTS
$522.99BESTfit Chrome-Plated Steel Exhaust Y-Pipe W/ 5 Inch ID Inlet & 5 Inch O.D. OutletsIntroducing the BESTfit Chrome 5 Inch ID/O.D. Y Exhaust Pipe, a replacement for OE number 14-13055. Designed to fit Peterbilt 377, 378 SBA/SFA, and 379 models, this...01-0806002- SKU:
- 01-0806002
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Y-Pipe
- Product Type:
- Exhaust
$522.99Qty in Cart: 0Price:$522.99Subtotal: -
Peterbilt 377, 378, 379, 386 5 Inch OD Aluminized 3 Bend Exhaust Y-Pipe 14-15353-0150 by BESTfit
BESTFIT TRUCK PARTS
$289.99BESTfit Aluminized Steel Exhaust Y-PipeUpgrade your Peterbilt 377, 378, 379, or 386's exhaust with the BESTfit 5 Inch Aluminized Y-Pipe Exhaust. Crafted from high-quality aluminized steel for superior durability and performance, this Y-Pipe features a 5...01-0806001- SKU:
- 01-0806001
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Aluminized Steel
- Make:
- Peterbilt
- Style Options:
- Y-Pipe
- Product Type:
- Exhaust
$289.99Qty in Cart: 0Price:$289.99Subtotal: -
Peterbilt 377, 378, 379 5 Inch OD/ID Aluminized 3 Bend Exhaust Y-Pipe Replaces 14-13055 by BESTfit
BESTFIT TRUCK PARTS
$261.99BESTfit Exhaust Y-PipeThe BESTfit 5 Inch Aluminized Y-Pipe Exhaust is a replacement for OE number 14-13055, crafted for Peterbilt's 377, 378 SBA/SFA, and 379 models. Constructed from aluminized steel and manufactured in the USA, it guarantees durability...01-0806000- SKU:
- 01-0806000
- 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
$261.99Qty in Cart: 0Price:$261.99Subtotal: -
Peterbilt 365, 387, 388 Exhaust Bellows Kit For Cummins ISX 15.0 Engine
AUTOMANN USA
$384.99Exhaust Bellows Kit Peterbilt Premium* High Quality Exhaust Bellows Kit* Includes: - (2) Gasket Cummins - (2) V- Band Clamp* Sold Individually* Warranty On Exhaust Bellows Kits Against Defects In Workmanship & Material From Date Of...01-08040001- SKU:
- 01-08040001
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Material Options:
- Steel
- Style Options:
- Cummins
- Product Type:
- Exhaust
$384.99Qty in Cart: 0Price:$384.99Subtotal: -
Lincoln Chrome 4 Inch Marman Seal For Peterbilt 389 Exhaust With DPF System
LINCOLN CHROME
$33.99Marman Seal For Exhaust With DPF System* High Quality Marman Seal* 4 Inch * For Exhaust With DPF* Sold Individually * Warranty On Marman Seal Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...01-080400002- SKU:
- 01-080400002
- Truck Class:
- Heavy Duty
- Diameter Options:
- 4 Inch
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Location:
- Made In USA
- Product Type:
- Exhaust
$33.99Qty in Cart: 0Price:$33.99Subtotal: -
Lincoln Chrome 5 Inch Marman Seal For Peterbilt 389 Exhaust With DPF System
LINCOLN CHROME
$29.99Marman Seal For Exhaust With DPF System* High Quality Marman Seal* 5 Inch * For Exhaust With DPF* Sold Individually * Warranty On Marman Seal Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...01-080400001- SKU:
- 01-080400001
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Location:
- Made In USA
- Product Type:
- Exhaust
$29.99Qty in Cart: 0Price:$29.99Subtotal: -
Peterbilt 337, 348, 365, 388 Exhaust Bellows Kit For W/ Cummins ISX 15.0 Engine
AUTOMANN USA
$371.99Exhaust Bellows Kit* High Quality Exhaust Bellows Kit* Includes Clamps - (2) V- Band Clamp - Gaskets 2 -562.U856636 -DPF Gasket Cummins* Sold Individually* Warranty On Exhaust Bellows Kits Against Defects In Workmanship & Material From Date...01-08040000- SKU:
- 01-08040000
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Style Options:
- Cummins
- Material Options:
- Steel
- Product Type:
- Exhaust
$371.99Qty in Cart: 0Price:$371.99Subtotal: -
Chrome 7 Inch Elbow Spool Combo Kit For Peterbilt
LINCOLN CHROME
$1,034.99Lincoln Chrome Elbow Spool Combo Kit Fits Peterbilt* Made Of High Quality Chrome* 7 Inch* Sold Individually* Warranty On Elbow Spool Combo Kit Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...01-0803002- SKU:
- 01-0803002
- Diameter Options:
- 7 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Elbow
- Location:
- Made In USA
- Product Type:
- Exhaust
$1,034.99Qty in Cart: 0Price:$1,034.99Subtotal: -
BESTfit 11 Inch Diameter Muffler 5 ID / ID X 61.5 OAL For Peterbilt 387
BESTFIT TRUCK PARTS
$291.99BESTfit Muffler 55 Inch X 11 InchThis high quality 55 X 11 inch muffler fits Peterbilt 387 and Kenworth T2000 models. The muffler has an overall 5 inch ID and comes with a 1 year warranty.* High Quality Muffler* 11 Inch x 55 Inch x 61.5 Inch* Overall 5...01-080202- SKU:
- 01-080202
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Length Options:
- 61 1/2 Inch
- Product Type:
- Exhaust
$291.99Qty in Cart: 0Price:$291.99Subtotal: -
9 Inch Diameter Muffler With Built In Y-Pipe For Peterbilt 378, 379
BESTFIT TRUCK PARTS
$2,434.99BESTfit Exhaust Y-Pipe With Muffler Fits PeterbiltOptimize your Peterbilt's exhaust system with the BESTfit Steel Exhaust Y-Pipe, complete with a 9-inch muffler. This premium exhaust component is made from high-quality steel, offering unmatched longevity...01-080200- SKU:
- 01-080200
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Steel
- Make:
- Peterbilt
- Length Options:
- 5 Inch
- Product Type:
- Exhaust
$2,434.99Qty in Cart: 0Price:$2,434.99Subtotal: -
BESTfit 6 Inch Chrome Long Leg Elbow Reduces To 5 Inch OD W/ Tapered Top For Peterbilt 378, 379, 389 Glider
BESTFIT TRUCK PARTS
$747.99BESTfit 6 Inch Chrome Long Leg Elbow Reduces To 5 Inch O.D. W/ Tapered Top Fits Peterbilt 378, 379 & 389 GliderTransform your exhaust with the BESTfit 6 Inch Chrome Long Leg Elbow, compatible with Peterbilt 378, 379, and 389 Glider models. This...01-080165004- SKU:
- 01-080165004
- Truck Class:
- Heavy Duty
- Diameter Options:
- 6 Inch
- Style Options:
- Elbow
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
$747.99Qty in Cart: 0Price:$747.99Subtotal: -
5 Inch Turbo Pipe Extension Elbow Replaces 14-13409 For Peterbilt 357, 378, 379
AUTOMANN USA
$55.07Turbo Extension Pipe Fits PeterbiltDesigned for trucks with the exhaust mounted above the frame, this turbo extension pipe is made of aluminized steel and has a single 20 degree bend. It has a 5 inch ID inlet and a 5 inch OD outlet. The pipe fits 1995...01-08013409- SKU:
- 01-08013409
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5 Inch
- Material Options:
- Aluminized Steel
- Degree Options:
- 20
- Make:
- Peterbilt
- Product Type:
- Exhaust
$55.07Qty in Cart: 0Price:$55.07Subtotal: -
American Eagle Pickett Elbow Reduces From 10 To 8 Inches For Peterbilt 379
AMERICAN EAGLE EXHAUST
$969.9910-8 Inch Reducer Pickett ElbowThe American Eagle Pickett Elbow offers an exceptional upgrade for Peterbilt 379 owners, featuring a reduction from 10 inches to 8 inches. Made from stainless steel, this elbow combines durability with superior performance...01-0801108006- SKU:
- 01-0801108006
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Diameter Options:
- 10 Inch
- Style Options:
- Elbow
- Product Type:
- Exhaust
$969.99Qty in Cart: 0Price:$969.99Subtotal:
