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 7-5 X 36 Inch Chrome-Plated Steel Curved Top Stack
BESTFIT TRUCK PARTS
$513.99BESTfit 7-5 X 36 Inch Chrome-Plated Steel Curved Top StackUpgrade your vehicle's exhaust system with our Curved Exhaust Stack, proudly manufactured in the USA. Crafted from quality chrome-plated steel, this stack measures 36 inches in length and features...$513.99 -
BESTfit 7-5 X 48 Inch Chrome-Plated Steel Curved Top Stack
BESTFIT TRUCK PARTS
$798.99BESTfit 7-5 X 48 Inch Chrome-Plated Steel Curved Top StackUpgrade your truck's exhaust system with our Curved Exhaust Stack. Proudly made in the USA, this stack boasts a durable construction without any welds, ensuring long-lasting performance. Measuring...$798.99 -
BESTfit 4 Inch I.D. Inlet X 72 Inch Chrome-Plated Steel Flat Top Stack
BESTFIT TRUCK PARTS
$313.99BESTfit 4 Inch I.D. Inlet X 72 Inch Chrome-Plated Steel Flat Top StackEnhance your truck's exhaust system with our Straight Exhaust Tubing featuring a Flat Top Stack design. Crafted from durable chrome-plated steel, this tubing ensures longevity and a...$313.99 -
BESTfit 4 X 48 Inch Chrome Turnout Stack
BESTFIT TRUCK PARTS
$186.99BESTfit 4 X 48 Inch Chrome Turnout StackThis turnout stack is 48 inches in length and has a 4-inch outer diameter. Sold individually, this aftermarket replacement part is not OEM. Please note that this item ships directly from the manufacturer and may...$186.99 -
BESTfit 8 Inch I.D. X 8 Inch Length Coupler
BESTFIT TRUCK PARTS
$75.88BESTfit 8 Inch I.D. X 8 Inch Length CouplerThe Coupler available is specifically designed with an 8-inch inner diameter (I.D.) and an 8-inch length, offering a secure connection between compatible components. Sold individually, it serves as an...$75.88 -
7 Inch Full Circle Clamp For American Eagle Stacks
AMERICAN EAGLE EXHAUST
$92.30American Eagle 7 Inch Full Circle Exhaust ClampEnhance your vehicle's performance with our Full Circle Clamp, measuring 7 inches in diameter. Sold individually, this aftermarket replacement part ensures a secure hold for various components. Please note...$92.30 -
BESTfit 7 Inch Chrome-Plated Steel Clamp - Replaces 50BJ-700SCP
BESTFIT TRUCK PARTS
$99.99BESTfit Stainless Steel Wide Clamp - Replaces 50BJ-700SCPUpgrade your exhaust system effortlessly with our Chrome-Plated Steel Exhaust Clamp. Crafted from durable materials, this clamp features a wide 2-bolt mount universal design that eliminates the...$99.99 -
BESTfit 6 Inch Chrome-Plated Steel Clamp - Replaces 50BJ-600SCP
BESTFIT TRUCK PARTS
$96.99BESTfit Chrome- Plated Steel Wide Clamp - Replaces 50BJ-600SCPUpgrade your exhaust system effortlessly with our Chrome-Plated Steel Exhaust Clamp. Designed with convenience in mind, this wide 2-bolt mount universal clamp requires no bracket for...$96.99 -
BESTfit 8 Inch Chrome-Plated SS Wide Angled Clamp Replaces 50BJ-APB800SCP For Peterbilt 377, 378, 379, 386, 388, and 389
BESTFIT TRUCK PARTS
$105.99BESTfit Chrome Stainless Steel Wide Angled ClampUpgrade your exhaust system with our premium chrome-plated stainless steel exhaust clamp. With an impressive 8-inch diameter, this clamp is suitable for either the driver or passenger side of your vehicle...$105.99 -
BESTfit 7 Inch Chrome-Plated SS Wide Straight Clamp Replaces 50BJ-PB700SCP For Peterbilt 377, 378, 379, 386, 388, and 389
BESTFIT TRUCK PARTS
$101.99BESTfit Chrome Stainless Steel Wide Straight ClampEnhance your exhaust system with our top-of-the-line chrome-plated stainless steel exhaust clamp. Measuring 7 inches in diameter, this clamp is designed for either the driver or passenger side of your...$101.99 -
BESTfit 7 Inch Chrome-Plated SS Wide Angled Clamp Replaces 50BJ-APB700SCP For Peterbilt 377, 378, 379, 386, 388 & 389
BESTFIT TRUCK PARTS
$99.99BESTfit Chrome Stainless Steel Wide Angled ClampUpgrade your exhaust system with our premium chrome-plated stainless steel exhaust clamp. Measuring 7 inches in diameter, this versatile clamp is suitable for use on both the driver or passenger side of...$99.99 -
BESTfit 8 X 30 Inch OAL Exhaust Muffler With 5 Inch I.D. Inlet & Outlet
BESTFIT TRUCK PARTS
$145.99BESTfit Muffler 8 Inch Diameter * High Quality Muffler* Aluminized* Dimensions- 8 Inch Diameter- 5 Inch I.D. Inlet/Outlet- 24 Inch Length Body- 30 Inch Length Overall* Sold Individually* Warranty On Mufflers Against Defects In Workmanship & Material From...$145.99