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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BESTfit 6 Inch Chrome-Plated SS Wide Straight Clamp Replaces 50BJ-PB600SCP For Peterbilt 377, 378, 379, 386, 388 & 389
BESTFIT TRUCK PARTS
$108.99BESTfit Chrome Stainless Steel Wide Straight ClampEnhance your exhaust system with our top-of-the-line chrome-plated stainless steel exhaust clamp. Measuring 6 inches in diameter, this versatile clamp can be used on either the driver or passenger side of...$108.99 -
Peterbilt 378, 379, 389, 389 Glider Chrome 5 Inch Tapered Y-Pipe
BESTFIT TRUCK PARTS
$441.99BESTfit 5 Inch Taper Lock Y Exhaust PipeEnhance your truck's exhaust system with this aftermarket replacement Y-pipe, designed for optimal performance and durability. Crafted from chrome-plated steel, this Y-pipe offers excellent corrosion resistance and...$441.99 -
Aluminized Steel Flared Exhaust Adapter 5.72 OD X 6.25 Inch - 41689 For Cummins 855CI W/T50 Turbo
AUTOMANN USA
$24.62Flared Exhaust Adapter Replaces 41689 * High Quality Exhaust Adapter* Aluminized Steel* Dimensions:- 5.00 Inch OD- 5.72 Inch Flange OD- 6.25 Inch Length* Sold Individually* Warranty On Exhaust Adapters Against Defects In Workmanship & Material From Date...$24.62 -
Upper Exhaust Slider Clamp Assembly With Bushings & Slide Pin For Peterbilt 388, 389 Driver Side
BESTFIT TRUCK PARTS
$211.99Driver Side Upper Exhaust Slider Clamp Replaces OE M16-6048 & M166048 * High Quality Upper Exhaust Slider Clamp Assembly* Driver Side * Includes Bushings And Slide Pin* Sold Individually* Warranty On Upper Exhaust Slider Clamp Assembly Against Defects In...$211.99 -
Aluminized Turbo Down Pipe, 4 Inch OD, For Peterbilt 386
BESTFIT TRUCK PARTS
$173.9923 Inch Long Turbo Down Pipe W/ 4 Inch OD & 3.85 Inch ID * High Quality Turbo Down Pipe* Aluminized * 4.00 Inch OD Outlet* 4.60 Inch Flange OD* 3.85 Inch ID At Inlet* Dimensions 23 X 6 X 4 Weight 5.58 Pounds* Sold Individually* Warranty On Turbo Down...$173.99 -
Galvanized Steel Exhaust Resonator 5 Inch Inlet With 9 Inch Body
AUTOMANN USA
$131.999 Inch Diameter Exhaust Resonator With 5 Inch ID Inlet and OutletInstall the resonator to the exhaust system of your truck before the muffler to help reduce the noise of the engine. * High Quality Exhaust Resonator* Made Of Galvanized Steel* 5 Inch ID...$131.99 -
BESTfit Smooth No Hole 180 Degree 5 Inch Heat Shield
BESTFIT TRUCK PARTS
$196.99BESTfit Exhaust Shield 1/2 Round for 5 Inch Pipe 48 Inch Tall No Holes * Made Of High Quality Stainless Steel* Fits 5 Inch O.D. Stack* 48 Inch Length * 180 Degree Wrap* Smooth, No Holes* Sold Individually* Made In USA* Warranty On Exhaust Shield Against...$196.99 -
Stainless Steel Bolt Kit For Exhaust Mount Grommets For Peterbilt
AFTERMARKET
$38.49Stainless Steel Bolt Kit With Hex Head Bolts, Hex Nuts, Grommets, Flat And Lock WashersGetting ready to secure your exhaust stack clamps to the cab brackets on your Peterbilt truck? Elite Truck Accessoriesoffers this high-quality fasteners kit to mount...$38.49 -
Stainless Steel Bolt Kit For Exhaust Cab Brackets For Peterbilts
AFTERMARKET
$19.99Stainless Steel Bolt Kit With Hex Head Bolts, Flat And Lock WashersGetting ready to bolt your exhaust down to the cab of your Peterbilt truck? Elite Truck Accessoriesoffers this high-quality fasteners kit that contains parts to mount 2 exhaust cab...$19.99 -
5 Inch Aluminized Taper Lock Y Pipe For BESTfit Long 90 Degree Elbow For Peterbilt 378, 379,389 Glider
BESTFIT TRUCK PARTS
$204.99BESTfit 5 Inch Aluminized Taper Lock T-Pipe For Long Drop Elbows For Use Without Flex PipeUpgrade your exhaust system with our T-Pipe, crafted from durable aluminized steel for longevity and performance. Featuring 5-inch tapered ends, this T-Pipe is...$204.99 -
Peterbilt 379 BESTfit Chrome 5 Inch 58 Degree Economy Exhaust Elbow Replaces 14-13056C
BESTFIT TRUCK PARTS
$105.99BESTfit Exhaust Elbow Chrome Bottom Of Muffler Fits Peterbilt 379Enhance your vehicle's exhaust system with our premium aftermarket Exhaust Elbow. Crafted from durable chrome-plated steel, this exhaust elbow features a 5-inch outer diameter (O.D.), with...$105.99 -
Peterbilt BESTfit 5 Inch Aluminized Y-Pipe Exhaust W/5 Inch O.D. Inlet Replaces 14-15353-0150
BESTFIT TRUCK PARTS
$347.99BESTfit Aluminized Steel Exhaust Y-Pipe, Replaces 14-15353-0150Crafted from durable aluminized steel, this Exhaust Y Pipe is designed to deliver reliable performance. With a 5-inch outer diameter inlet and outlet, it promotes efficient exhaust flow...$347.99