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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Peterbilt BESTfit Chrome 8 Inch To 5 Inch Y Pipe For Long Leg
BESTFIT TRUCK PARTS
$682.99BESTfit Chrome Y-Pipe For Long Leg ElbowEnhance your exhaust system with our Chrome-Plated Steel Y-Pipes, designed for BESTfit Long Leg Elbows. Crafted from durable materials, these Y-Pipes feature an 8-inch to 5-inch outer diameter for optimal...$682.99 -
Peterbilt 378, 379, 389, 389 Glider Chrome 7 Inch To 5 Inch Y-Pipe For BESTfit Long Leg
BESTFIT TRUCK PARTS
$712.99BESTfit Y-Pipe Fits PeterbiltEnhance your exhaust system with our Chrome-Plated Steel Y-Pipes, designed for BESTfit Long Leg configurations. Crafted with precision, these Y-Pipes feature a 7-inch to 5-inch outer diameter and a 90-degree angle for optimal...$712.99 -
Peterbilt 378, 379, 389, 389 Glider Chrome 6 Inch Y-Pipe For BESTfit Long Leg
BESTFIT TRUCK PARTS
$550.99BESTfit Y-Pipe Fits PeterbiltThese Y-pipes are engineered from durable chrome-plated steel, ensuring longevity and corrosion resistance. With a 6-inch diameter and 5-inch inlet, they are designed specifically for BESTFIT Long Leg configurations. Sold...$550.99 -
Peterbilt 357 & 378 BESTfit 5 X 18 Inch Intermediate Pipe Replaces 14-13940-0460
BESTFIT TRUCK PARTS
$159.99BESTfit Intermediate Pipe Plain Fits PeterbiltIncorporate the Intermediate Plain Pipe into your vehicle's exhaust system for seamless connectivity. Measuring 5 inches by 18 inches, this pipe efficiently connects the driver side elbow to the exhaust tee...$159.99 -
Western Star 4964 Constellation BESTfit Chrome 90 Degree Exhaust Elbow
BESTFIT TRUCK PARTS
$296.99BESTfit 90 Degree Chrome Exhaust Elbow W/ 5 Inch ID & 5 Inch O.D.Upgrade your exhaust system with our chrome-plated elbows, meticulously crafted in the USA. Each elbow boasts a precise 90-degree angle for optimal performance. Sold individually, these...$296.99 -
Western Star 4964 Heritage BESTfit Steel Exhaust Y-Pipe
BESTFIT TRUCK PARTS
$303.99BESTfit Steel Exhaust Y-Pipe For Western Star 4964 HeritageUpgrade your vehicle's exhaust system with our quality steel pipes. Crafted in the USA, these pipes are designed to deliver durability and performance. Sold individually and not OEM, our...$303.99 -
Western Star BESTfit Chrome 85 Degree Exhaust Elbow Pipe, 5 Inch I.D. To 5 Inch O.D. For 4964 Heritage
BESTFIT TRUCK PARTS
$245.99BESTfit Chrome-Plated Steel Exhaust Elbow Pipe W/ 5 Inch I.D. Inlet & 5 Inch O.D. OutletEnhance your exhaust system with our chrome-plated steel elbows. Crafted for durability and performance, these elbows feature a 5-inch I.D. inlet under the cab and a...$245.99 -
BESTfit 7 I.D. - 5 I.D. X 8 Inch Chrome Exhaust Reducer
BESTFIT TRUCK PARTS
$122.99BESTfit Exhaust ReducerElevate your exhaust system with our Chrome-Plated Steel Exhaust Reducer, expertly designed to transition seamlessly from a 7-inch inner diameter to a 5-inch inner diameter. Crafted with precision and durability in mind, this...$122.99 -
BESTfit 8 Inch Chrome Steel Exhaust Adapter 7 To 5 Inch O.D.
BESTFIT TRUCK PARTS
$128.99BESTfit Chrome-Plated Steel Exhaust Adapter Reducer 7 Inch O.D. to 5 Inch O.D.Upgrade your exhaust system with our Chrome-Plated Steel Exhaust Reducer, designed to seamlessly adapt from a 7-inch outer diameter at the top to a 5-inch outer diameter at the...$128.99 -
On Sale
Peterbilt 378 BESTfit Exhaust Elbow Replaces OEM 14-15502
BESTFIT TRUCK PARTS
Now: $540.39Was: $771.99BESTfit Exhaust Elbow Fits PeterbiltUpgrade your piping system with our quality Pipe, proudly made in the USA to ensure superior craftsmanship and durability. Designed for reliable performance, each pipe is sold individually, providing you with...Now: $540.39Was: $771.99 -
Peterbilt 379 BESTfit 5 Inch ID/O.D. 90 Degree Elbow Pipe, Replaces 14-13433
BESTFIT TRUCK PARTS
$80.37BESTfit Lower Elbow Below Turbo Frame PipeElevate your exhaust system with our Galvanized Steel Elbow Pipe, proudly made in the USA for superior quality and durability. Designed with precision, this elbow pipe features a 5-inch inside diameter measuring...$80.37 -
Peterbilt 357 & 378 BESTfit 5 Inch Plain Exhaust Elbow Replaces 14-15503 For Passenger Side
BESTFIT TRUCK PARTS
$701.99BESTfit Exhaust Elbow Below Muffler Fits PeterbiltEnhance your exhaust system with our 5-Inch Plain Exhaust Elbow, designed for the passenger side. Crafted for durability and performance, this aftermarket replacement part is sold individually for your...$701.99