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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Stainless Steel Bolt Kit For Lower Exhaust Cab Brackets For Peterbilt 357, 359, 375, 377, 378, 379, 385, 386, 388, 389
AFTERMARKET
$19.99Stainless Steel Bolt Kit With Hex Head Bolts, Flat And Lock WashersMount an exhaust cab bracket on your Peterbilt with ease using this Stainless Steel Bolt Kit. It includes high-quality hex head bolts, flat washers, and lock washers designed to attach 2...01-080700- SKU:
- 01-080700
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Product Type:
- Exhaust
$19.99Qty in Cart: 0Price:$19.99Subtotal: -
Peterbilt 378, 379, 389 Chrome 8 - 5 Inch OD Y-Pipe For Lincoln Chrome Long Elbow
LINCOLN CHROME
$939.99Lincoln Chrome 8 Inch Y-Pipe Fits PeterbiltDiscover the perfect blend of style and functionality with the Lincoln Chrome 8 Inch Y-Pipe for Peterbilt 378, 379, 389 and 389 Glider models. Crafted from high-quality, chrome-plated material, this Y-pipe...01-080685003- SKU:
- 01-080685003
- Truck Class:
- Heavy Duty
- Diameter Options:
- 8 Inch
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Y-Pipe
- Location:
- Made In USA
- Product Type:
- Exhaust
$939.99Qty in Cart: 0Price:$939.99Subtotal: -
Galvanized Steel 8 To 5 Inch Taper Lock Y Pipe For Peterbilt
TRUX ACCESSORIES
$344.99Taper Lock Y Pipe Fits PeterbiltIntroducing the Galvanized Steel 8 to 5 Inch Taper Lock Y Pipe for Peterbilt 378, 379, 389 and 389 Glider models. Made from galvanized steel, this Y-pipe offers not just an improvement in exhaust flow but also superior...01-080685001- SKU:
- 01-080685001
- Truck Class:
- Heavy Duty
- Length Options:
- 8 Inch
- Style Options:
- Long Drop
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Galvanized
- Diameter Options:
- 5 Inch
- Product Type:
- Exhaust
$344.99Qty in Cart: 0Price:$344.99Subtotal: -
Peterbilt Chrome Steel 8-5 Inch OD Y-Pipe by BESTfit
BESTFIT TRUCK PARTS
$682.99BESTfit Chrome Y-Pipe For Long Leg ElbowEnhance your Peterbilt's exhaust with the BESTfit Chrome Steel Y-Pipe, expertly designed to transition from 8 to 5 inches O.D. for a long leg elbow configuration. Made from high-quality chrome-plated steel, this...01-08068500- SKU:
- 01-08068500
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Long Drop
- Diameter Options:
- 8 Inch
- Product Type:
- Exhaust
$682.99Qty in Cart: 0Price:$682.99Subtotal: -
Peterbilt 378, 379, 389 Glider Chrome 7-5 Inch Taper Lock Exhaust Y-Pipe For by Lincoln Chrome Long Elbow
LINCOLN CHROME
$899.99Lincoln Chrome Taper Lock Tee Fits PeterbiltEnhance your Peterbilt's performance and curb appeal with the Chrome 7-5 Inch Taper Lock Exhaust Y Pipe, suited for the Lincoln Chrome Long Leg Elbow. This high-quality lock tee pipe, crafted from chrome-plated...01-080675003- SKU:
- 01-080675003
- Diameter Options:
- 7 Inch
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Style Options:
- Long Drop
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
$899.99Qty in Cart: 0Price:$899.99Subtotal: -
Chrome 7 -5 Inch OD Y-Pipe For BESTfit Long Leg For Peterbilt 378, 379, 389, 389 Glider
BESTFIT TRUCK PARTS
$712.99BESTfit Y-Pipe Fits PeterbiltRevamp your Peterbilt's exhaust system with the premium BESTfit Chrome 7 Inch to 5 Inch Y-Pipe from 4 State Trucks. Crafted for the BESTfit long leg, this chrome-plated steel Y-Pipe transitions smoothly from 7 to 5 inches O.D...01-08067500- SKU:
- 01-08067500
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Degree Options:
- 90
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Y-Pipe
- Diameter Options:
- 7 Inch
- Product Type:
- Exhaust
$712.99Qty in Cart: 0Price:$712.99Subtotal: -
Peterbilt 378, 379, 389, 389 Glider 6 Inch OD Y-Pipe For Lincoln Chrome Long Leg
LINCOLN CHROME
$832.99Lincoln Chrome Peterbilt 6 Inch Y-PipeIntroducing the Lincoln Chrome 6 Inch Y-Pipe, an exhaust upgrade designed for Peterbilt 378, 379, 389, and 389 Glider models. Made from chrome-plated materials, this Y-Pipe not only promises lasting durability but...01-080665003- SKU:
- 01-080665003
- Truck Class:
- Heavy Duty
- Diameter Options:
- 6 Inch
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Y-Pipe
- Location:
- Made In USA
- Product Type:
- Exhaust
$832.99Qty in Cart: 0Price:$832.99Subtotal: -
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: -
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
$422.99Exhaust 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
$422.99Qty in Cart: 0Price:$422.99Subtotal: -
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:
