Semi-Truck Exhaust Parts
Discover an extensive selection of top-quality semi-truck exhaust parts at 4 State Trucks to elevate your rig's style and performance. Whether you're seeking exhaust pipes, clamps, reducers, couplers, or sleek exhaust tips, we've got you covered with durable products from leading manufacturers like Dynaflex and Lincoln Chrome. Our premium aftermarket exhaust components are designed to leave a lasting impression on the road, allowing you to customize your truck to perfection. Elevate your truck's style and performance with 4 State Trucks' premium aftermarket exhaust components.
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BESTfit Steel Muffler Mount Clamp For International 4300 & 4400
BESTFIT TRUCK PARTS
$57.42BESTfit International Muffler Mount ClampIntroducing the Oval Muffler Clamp, a robust steel clamp designed to securely fasten muffler #07-080201. Measuring 8.5 by 11 inches, this clamp is made in the USA and is sold individually as an aftermarket...$57.42 -
On Sale
BESTfit Intermediate Pipe Replaces 04-26247-014 For Freightliner Cascadia With Detroit Engine
BESTFIT TRUCK PARTS
Now: $237.50Was: $474.99BESTfit Intermediate Pipe Fits FreightlinerIntroducing the Intermediate Pipe, a vital component of your vehicle's exhaust system. This aftermarket replacement part is sold individually and ensures proper exhaust flow and performance. * Intermediate Pipe*...Now: $237.50Was: $474.99 -
BESTfit Down Pipe Replaces 04-25396-002 For Freightliner Cascadia With Detroit Engine
BESTFIT TRUCK PARTS
$297.99BESTfit Inlet To DPF Down PipeIntroducing the Down Pipe, an essential component connecting the inlet pipe to the DPF (Diesel Particulate Filter) in your vehicle's exhaust system. Sold individually as an aftermarket replacement part, it ensures proper...$297.99 -
BESTfit 5 Inch Intermediate Pipe Replaces 04-17131-006 For Freightliner Columbia & Century
BESTFIT TRUCK PARTS
$247.99BESTfit Exhaust Intermediate Pipe Medium Fits Freightliner Century And Columbia 2001-2007Introducing the Under The Cab Exhaust Pipe, a crucial component for your vehicle's exhaust system. With a 5-inch O.D. inlet and outlet, this pipe is designed to...$247.99 -
BESTfit Lower Stack Pipe Replaces 04-26311-000 For Freightliner Cascadia
BESTFIT TRUCK PARTS
$349.99BESTfit Lower Stack Pipe For FL Cascadia W/ Detroit EngineIntroducing the Lower Stack Pipe, an essential component for your vehicle's exhaust system. Sold individually as an aftermarket replacement part, this stack pipe is designed to meet your vehicle's...$349.99 -
BESTfit 5 Inch O.D. 53 Degree Exhaust Elbow W/ Plain BOM For T600 Kenworth AeroCab
BESTFIT TRUCK PARTS
$134.99BESTfit 53 Degree Exhaust Elbow Fits KenworthIntroducing our premium Exhaust Elbow, designed to enhance your vehicle's exhaust system. Crafted from durable aluminized steel and coated with a ceramic finish, this elbow ensures longevity and performance...$134.99 -
BESTfit Exhaust Elbow Replaces K180-17876 For Kenworth AeroCab T600
BESTFIT TRUCK PARTS
$74.86BESTfit Ceramic Coated Steel Elbow Fits KenworthIntroducing our Ceramic Coated Exhaust Elbow, crafted from durable aluminized steel and designed to replace OE Number K180-17876. Made in the USA, this aftermarket replacement part ensures quality and...$74.86 -
BESTfit Muffler Replaces M120834 For Newer Kenworth W900 AeroCab With 2 Catalytic Converters Exhaust Layout
BESTFIT TRUCK PARTS
$799.99BESTfit Muffler Fits Kenworth Aerocab With Dual Mufflers Under Truck * High Quality Muffler* Aluminized* Measurements- Body: 15 Inch- Length: 35 Inch- Overall: 39 Inch- Inlet Diameter: 5 Inch I.D.- Outlet Diameter: 5 Inch I.D.* Type 3 * In And Out Same...$799.99 -
BESTfit 4 Inch Zinc-Coated Flat Top Rain Cap - Replaces 27-400Z
BESTFIT TRUCK PARTS
$29.77BESTfit Rain Cap For 4 Inch Flat Top StacksIntroducing our Zinc-Plated Rain Cap, an essential accessory for your flap top stack. Designed to mount on the outside of the stack, this rain cap effectively prevents rain and debris from entering your exhaust...$29.77 -
BESTfit 90 Degree Elbow Replaces K180-17386-24 For Kenworth W900 AeroCab With Single Muffler
BESTFIT TRUCK PARTS
$86.18BESTfit Elbow At Muffler Inlet Fits Kenworth W/ Single Muffler Replaces OE # K180-17386-24Introducing our Galvanized Steel Elbow, specially crafted for the inlet of your truck's muffler. Designed for trucks featuring a single muffler located underneath...$86.18 -
BESTfit 5 Inch Elbow For 2 Piece Y-Pipe Replaces K180-13637 For Kenworth W900
BESTFIT TRUCK PARTS
$92.30BESTfit Elbow Fits Kenworth Non AeroCabIntroducing our Aluminized Exhaust Elbow, specifically designed for the driver's side with a 45-degree bend, ideal for 2-piece Y-pipe setups. Crafted with durability in mind, this elbow boasts a 5-inch outer...$92.30 -
BESTfit Oval Muffler Replaces MFM12-040-171 For Kenworth & International
BESTFIT TRUCK PARTS
$446.99BESTfit Oval Muffler Fits Kenworth T800, W900, International 9200, 9400 & 9900 * High Quality Oval Muffler* 5 Inch Inlet And Outlet* Sold Individually* Warranty On Oval Muffler Against Defects In Workmanship & Material From Date Of Purchase***High...$446.99