Peterbilt 389 Exhaust Parts
Find top-notch Peterbilt 389 exhaust components to elevate your rig's performance. We offer reliable chrome stacks, elbows, clamps, brackets, DPFs, and mufflers for a flawless fit. Shop our extensive inventory at 4 State Trucks for quality parts that deliver durability and style.
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BESTfit 5 Inch O.D. 12 X 18 Inch 90 Degree Miter Cut Exhaust Stack
BESTFIT TRUCK PARTS
$205.99BESTfit 5 Inch Chrome Miter Cut Exhaust Stack 12 X 18 InchIntroducing our Chrome-Plated Steel Exhaust Stack, meticulously crafted to elevate your vehicle's performance and style. Constructed with premium chrome-plated steel, this stack boasts exceptional...$205.99 -
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 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...$96.99 -
Peterbilt 378, 379, 389, 389 Glider Chrome 5 Inch Tapered Y-Pipe
BESTFIT TRUCK PARTS
$368.99BESTfit 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...$368.99 -
Aluminized Steel Flared Exhaust Adapter 5.72 OD X 6.25 Inch - 41689 For Cummins 855CI W/T50 Turbo
AUTOMANN USA
$23.55Flared 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...$23.55 -
Aluminized Turbo Down Pipe, 4 Inch OD, For Peterbilt 386
AUTOMANN USA
$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 -
Stainless Steel Bolt Kit For Exhaust Mount Grommets For Peterbilt
AFTERMARKET
$36.99Stainless 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...$36.99 -
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 -
Performance Muffler, 10 X 51.5 Inch With 6 Inch In/Out
PITTSBURGH POWER
$295.99High Performance Muffler Increases Horsepower, Mileage & Reduces Back Pressure * High Quality Performance Muffler * 6 Inch In * 6 Inch Out* Dimension:10 Inch X 51.5 Inch * Reduces Exhaust Back Pressure* 50 HP Increase * 1/4 Mile Per Gallon Improvement *...$295.99 -
BESTfit 3.5 Inch Diameter X 4 Inch Type A Turbo/Manifold Outlet For 7.3L Powerstroke Engines
BESTFIT TRUCK PARTS
$21.51BESTfit 3.5 X 4 Inch Type A Turbo Manifold Outlet With 4.25 Inch Flange Fits 7.3L Powerstroke EnginesOur Turbo Outlet is engineered with durable aluminized steel, offering resilience against rust and corrosion. With a length of 4 inches, an outer...$21.51 -
BESTfit 8 Inch Chrome-Plated Steel Wide Clamp - Replaces 50BJ-800SCP
BESTFIT TRUCK PARTS
$109.99BESTfit Chrome-Plated Steel Wide Clamp - Replaces 50BJ-800SCPUpgrade your exhaust system effortlessly with our Chrome-Plated Steel Clamp. Crafted from durable materials, this clamp features a wide 2-bolt mount universal design that eliminates the need...$109.99 -
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 ClampEnhance your exhaust system's performance with our top-quality chrome-plated stainless steel exhaust clamp. Featuring an impressive 8-inch diameter, this clamp is suitable for both the driver and...$108.99