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
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Ss Exhaust Turbo Flange Adapter, 52 Degree Bend W/ Pyrometer Port For Peterbilt 378, 379
BESTFIT TRUCK PARTS
$419.99Peterbilt Stainless Steel Exhaust Turbo Flange AdapterUpgrade your Peterbilt 378 or 379 exhaust system with the Stainless Steel Exhaust Turbo Flange Adapter, featuring a 52-degree bend and a convenient pyrometer port. Constructed from high-quality...01-0801009- SKU:
- 01-0801009
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Style Options:
- Flanged
- Product Type:
- Exhaust
$419.99Qty in Cart: 0Price:$419.99Subtotal: -
5 Inch OD Multi-Bend Turbo Exhaust Down Pipe - Short For Peterbilt 389, 388, 386 With Detroit / CAT Engine
LINCOLN CHROME
$222.99Turbo Multi-Bend Down PipeUpgrade your Peterbilt 389, 388, or 386 with the Turbo Down Pipe! Specifically designed for trucks with Detroit or CAT motors, this short down pipe is built for enhanced performance. Give your truck the boost!* High Quality...01-0801008- SKU:
- 01-0801008
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5 Inch
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Location:
- Made In USA
- Product Type:
- Exhaust
$222.99Qty in Cart: 0Price:$222.99Subtotal: -
Peterbilt 389, 388, 386 Turbo Down Pipe For Exhaust With Cat Motor
LINCOLN CHROME
$197.99Turbo Multi Bend Down Pipe Fits 3406E Caterpillar EngineThis turbo down pipe is a perfect fit for Peterbilt 389, 388, and 386 trucks with CAT or Detroit engines. It's designed to optimize exhaust flow, improving overall performance. A solid upgrade for...01-0801007- SKU:
- 01-0801007
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Elbow
- Location:
- Made In USA
- Product Type:
- Exhaust
$197.99Qty in Cart: 0Price:$197.99Subtotal: -
BESTfit 5 Inch Turbo Pipe Replaces 14-15329 For Peterbilt 377, 378 & 379
BESTFIT TRUCK PARTS
$166.99BESTfit Turbo Pipe Fits PeterbiltEnhance your Peterbilt 377, 378, or 379 with the BESTfit 5 Inch Turbo Pipe, specifically engineered to replace OE number 14-15329 and Dynaflex number 09-8-101-220. Made of aluminized steel, this turbo pipe boasts a 5-inch...01-0801006- SKU:
- 01-0801006
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminized Steel
- Make:
- Peterbilt
- Product Type:
- Exhaust
$166.99Qty in Cart: 0Price:$166.99Subtotal: -
Aluminized Steel Exhaust Down Pipe Replaces 14-14194 For Peterbilt 375, 377, 378, 379
AFTERMARKET
$181.99Exhaust Down Pipe Below Turbo Pipe Fits PeterbiltRevitalize your Peterbilt's exhaust system with the Aluminized Steel Exhaust Down Pipe, designed to replace OE number 14-14194 and Dynaflex number 09-8-151-220. Crafted from aluminized steel, this down...01-0801003- SKU:
- 01-0801003
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminized Steel
- Make:
- Peterbilt
- Product Type:
- Exhaust
$181.99Qty in Cart: 0Price:$181.99Subtotal: -
BESTfit 6 Inch OD Chrome Exhaust Elbow Tapered To Inch OD, Passenger Side For Peterbilt 377 & 378
BESTFIT TRUCK PARTS
$494.99BESTfit Passenger Side Peterbilt 377 & 378 Chrome Exhaust Bend ElbowGet a dependable exhaust solution with this BESTfit 6 Inch OD Chrome Exhaust Elbow, tapered to 5 Inch OD for the passenger side of your Peterbilt 377 or 378. Made from tough...01-080100009- SKU:
- 01-080100009
- Diameter Options:
- 6 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Elbow
- Location:
- Made In USA
- Product Type:
- Exhaust
$494.99Qty in Cart: 0Price:$494.99Subtotal: -
BESTfit 6 Inch OD Chrome Exhaust Elbow Tapered To Inch OD, Driver Side For Peterbilt 377 & 378
BESTFIT TRUCK PARTS
$494.99BESTfit Driver Side Peterbilt 377 & 378 Chrome Exhaust Bend ElbowOutfit your Peterbilt 377 or 378 with the BESTfit 6 Inch OD Chrome Exhaust Elbow, tapered down to 5 Inch OD for a streamlined connection and better exhaust flow. Built from long-lasting...01-080100008- SKU:
- 01-080100008
- Diameter Options:
- 6 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Elbow
- Location:
- Made In USA
- Product Type:
- Exhaust
$494.99Qty in Cart: 0Price:$494.99Subtotal: -
BESTfit Aluminized Turbo Down Pipe, 4 Inch OD, For Peterbilt 386
BESTFIT TRUCK PARTS
$173.99BESTfit 23 Inch Long Turbo Down Pipe W/ 4 Inch OD & 3.85 Inch IDThe BESTfit Aluminized Turbo Down Pipe is a high-quality replacement designed for Peterbilt 386 trucks. Constructed from durable aluminized steel, this turbo down pipe features a 4-inch...01-080100007- SKU:
- 01-080100007
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminized Steel
- Make:
- Peterbilt
- Diameter Options:
- 4 Inch
- Product Type:
- Exhaust
$173.99Qty in Cart: 0Price:$173.99Subtotal: -
BESTfit Aluminized Steel Exhaust Pipe Fits Peterbilt 387 Replaces PB-25029, 14-25029 For Peterbilt
BESTFIT TRUCK PARTS
$187.99Replacement Aluminized Steel Single Exhaust Pipe Fits PeterbiltThe BESTfit Aluminized Steel Exhaust Pipe is a high-quality replacement designed specifically to fit Peterbilt 387 models. Made from durable aluminized steel, this exhaust pipe features a...01-080100006- SKU:
- 01-080100006
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminized Steel
- Degree Options:
- 90
- Make:
- Peterbilt
- Product Type:
- Exhaust
$187.99Qty in Cart: 0Price:$187.99Subtotal: -
Lincoln Chrome Stainless Steel Rear Shift Bracket For 2019 Peterbilt 389 With DPF System
LINCOLN CHROME
$507.99Rear Shift Bracket For Peterbilt 389 Exhaust With DPFSpecifically designed for Peterbilt 389 with DPF system, the Lincoln Chrome Stainless Steel Rear Shift Bracket combines durability and style. Made from stainless steel and coated with a chrome finish,...01-080100004- SKU:
- 01-080100004
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Location:
- Made In USA
- Product Type:
- Exhaust
$507.99Qty in Cart: 0Price:$507.99Subtotal: -
Lincoln Chrome Stainless Steel Front Shift Bracket For 2019 Peterbilt 389 With DPF System
LINCOLN CHROME
$507.99Front Shift Bracket For Peterbilt 389 Exhaust With DPFDesigned for Peterbilt 389 with a DPF system, the Lincoln Chrome Stainless Steel Front Shift Bracket delivers exceptional durability and style. Manufactured from high-grade stainless steel with a...01-080100003- SKU:
- 01-080100003
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Location:
- Made In USA
- Product Type:
- Exhaust
$507.99Qty in Cart: 0Price:$507.99Subtotal: -
Lincoln Chrome Stainless Steel 4 To 5 Inch DPF Elbow For 2019 Peterbilt 389
LINCOLN CHROME
$424.99Stainless DPF Elbow For Peterbilt 389 ExhaustUpgrade your Peterbilt 389 exhaust system with the Lincoln Chrome Stainless Steel 4 To 5 Inch DPF Elbow. This premium-quality elbow is manufactured from stainless steel for superior strength and durability,...01-080100002- SKU:
- 01-080100002
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Style Options:
- Elbow Multi-Bend
- Location:
- Made In USA
- Product Type:
- Exhaust
$424.99Qty in Cart: 0Price:$424.99Subtotal: -
Lincoln Chrome 5 Inch Stainless Steel DPF Y-Pipe For 2019 Peterbilt 389
LINCOLN CHROME
$419.99Stainless Steel DPF Exhaust Y-PipeThe Lincoln Chrome 5 Inch Stainless Steel DPF Y-Pipe for Peterbilt 389 combines strength and style to enhance your truck's exhaust system. Featuring a stainless steel construction and chrome plating, this 5-inch diameter...01-080100001- SKU:
- 01-080100001
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Location:
- Made In USA
- Product Type:
- Exhaust
$419.99Qty in Cart: 0Price:$419.99Subtotal: -
BESTfit 8 Inch Chrome-Plated SS Wide Straight Clamp Replaces 50BJ-PB800SCP For Peterbilt 377, 378, 379, 386, 388, and 389
BESTFIT TRUCK PARTS
$108.99BESTfit Chrome Stainless Steel Wide Straight ClampThe BESTfit Chrome Stainless Steel Wide Straight Clamp elevates the appearance and functionality of your Peterbilt. This top-tier exhaust clamp is crafted from chrome-plated stainless steel, ensuring both...01-0800801- SKU:
- 01-0800801
- Truck Class:
- Heavy Duty
- Diameter Options:
- 8 Inch
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
$108.99Qty in Cart: 0Price:$108.99Subtotal: -
Peterbilt 377, 378, 379, 386, 388, and 389 8 Inch Chrome Wide Angled Exhaust Clamp Replaces 50BJ-APB800SCP by BESTfit
BESTFIT TRUCK PARTS
$121.99BESTfit Chrome Stainless Steel Wide Angled ClampEnhance the look and functionality of your Peterbilt's exhaust with the BESTfit 8 Inch Chrome-Plated SS Wide Angled Exhaust Clamp. Constructed from chrome-plated stainless steel, this clamp combines...01-0800800- SKU:
- 01-0800800
- Truck Class:
- Heavy Duty
- Diameter Options:
- 8 Inch
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
$121.99Qty in Cart: 0Price:$121.99Subtotal: -
Peterbilt 377, 378, 379, 386, 388, and 389 7 Inch Chrome Wide Straight Exhaust Clamp Replaces 50BJ-PB700SCP by BESTfit
BESTFIT TRUCK PARTS
$101.99BESTfit Chrome Stainless Steel Wide Straight ClampEnsure your Peterbilt's exhaust is securely mounted with the BESTfit 6 Inch Chrome-Plated Stainless Steel Wide Straight Clamp. Specially designed to replace OE number 50BJ-PB700SCP, this high-quality...01-0800701- SKU:
- 01-0800701
- Diameter Options:
- 7 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
$101.99Qty in Cart: 0Price:$101.99Subtotal: -
Peterbilt 377, 378, 379, 386, 388, 389 7 Inch Chrome Wide Angled Exhaust Clamp Replaces 50BJ-APB700SCP by BESTfit
BESTFIT TRUCK PARTS
$108.99BESTfit Chrome Stainless Steel Wide Angled ClampRevitalize your Peterbilt's exhaust system with the BESTfit 7 Inch Chrome-Plated SS Wide Angled Clamp, expertly designed to replace OE number 50BJ-APB700SCP. This high-quality clamp features a robust...01-0800700- SKU:
- 01-0800700
- Diameter Options:
- 7 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
$108.99Qty in Cart: 0Price:$108.99Subtotal: -
BESTfit 6 Inch Chrome-Plated SS Wide Straight Clamp Replaces 50BJ-PB600SCP For Peterbilt 377, 378, 379, 386, 388 & 389
BESTFIT TRUCK PARTS
$96.99BESTfit Chrome Stainless Steel Wide Straight ClampSecure your Peterbilt's exhaust with precision and style using the BESTfit 6 Inch Chrome-Plated Stainless Steel Wide Straight Clamp. Designed for use on Peterbilt 377, 378, 379, 386, 388, and 389 'models,...01-0800601- SKU:
- 01-0800601
- Diameter Options:
- 6 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
$96.99Qty in Cart: 0Price:$96.99Subtotal: -
Peterbilt 377, 378, 379, 386, 388, 389 6 Inch Chrome Wide Angled Exhaust Clamp Replaces 50BJ-APB600SCP by BESTfit
BESTFIT TRUCK PARTS
$102.99BESTfit Chrome Stainless Steel Wide Angled Exhaust ClampFor Peterbilt owners seeking a replacement for their exhaust clamps, the BESTfit 6 Inch Chrome-Plated SS Wide Angled Exhaust Clamp is a superior solution. This exhaust clamp is made from...01-0800600- SKU:
- 01-0800600
- Truck Class:
- Heavy Duty
- Diameter Options:
- 6 Inch
- Material Options:
- Steel
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
$102.99Qty in Cart: 0Price:$102.99Subtotal: -
10 Inch T-Bolt Strap Style Muffler Clamp - 4-14664 For Peterbilt 357, 377, 378, 379
OPP - ORIGINAL PARTS PROGRAM
$167.89Peterbilt T-Bolt Strap Style Muffler Clamp For 10 Inch ExhaustUpgrade your exhaust system with this T-bolt strap style muffler clamp! It's designed for 10-inch exhausts and replaces OE number 4-14664. The strong T-bolt strap ensures a secure and precise...01-080049- SKU:
- 01-080049
- Truck Class:
- Heavy Duty
- Diameter Options:
- 10 Inch
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Product Type:
- Exhaust
$167.89Qty in Cart: 0Price:$167.89Subtotal:
