International ProStar
Here at 4 State Trucks, we carry the best International Prostar parts in the industry to deliver a top-quality selection of aftermarket and custom semi truck parts. When you drive an International, you'll enjoy the combination of power and strength. With help from 4 State Trucks, you can customize the interior and exterior of your truck to make it your own. Choose from the best bumpers, lighting, toolboxes, truck horns, grilles, exhaust pipes, and much more designed to fit your truck.
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BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/Outlet
BESTFIT TRUCK PARTS
$622.99BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/OutletConstructed from robust Aluminized Steel, this aftermarket muffler ensures durability and longevity for your vehicle's exhaust system. It comes with mounting hardware...$622.99 -
BESTfit 3.5 Inch Diameter X 7.6875 X 10 Inch Aluminized Steel Type C Y-Pipe
BESTFIT TRUCK PARTS
$228.99BESTfit 3.5 Inch Diameter X 7.6875 X 10 Inch Aluminized Steel Type C Y-PipeCrafted from durable Aluminized Steel, this aftermarket Y-Pipe is engineered to deliver reliable performance for exhaust systems. With dimensions of 3.5 inches in diameter, 7...$228.99 -
BESTfit 3 Inch Diameter X 7.125 X 10 Inch Aluminized Steel Type C Y-Pipe
BESTFIT TRUCK PARTS
$233.99BESTfit 3 Inch Diameter X 7.125 X 10 Inch Aluminized Steel Type C Y-PipeConstructed from durable Aluminized Steel, this aftermarket Y-Pipe provides a robust solution for exhaust systems. Featuring dimensions of 3 inches in diameter, 7 1/8 inches in...$233.99 -
BESTfit 3.5 Inch Diameter X 10.5 X 16 Inch Aluminized Steel Type B Y-Pipe
BESTFIT TRUCK PARTS
$282.99BESTfit 3.5 Inch Diameter X 10.5 X 16 Inch Aluminized Steel Type B Y-PipeCrafted from durable Aluminized Steel, this aftermarket Y-Pipe offers a versatile solution for exhaust systems. With dimensions of 3.5 inches in diameter, 10.5 inches in width, and...$282.99 -
BESTfit 4 Inch 16G Aluminized Steel Inlet Elbow
BESTFIT TRUCK PARTS
$69.35BESTfit 4 Inch 16G Aluminized Steel Inlet ElbowShield your exhaust system effectively with our Inlet Elbow, crafted from durable 16 gauge Aluminized Steel. With dimensions of 4 inches in diameter, 31.5 inches in overall length, and featuring a 4.5-inch...$69.35 -
BESTfit Triple Convoluted Air Bag - Replaces SP3B22R, 578-93-3-100, FT-330-29, 64285, 8018, 8039, 3B12303, 93AR
BESTFIT TRUCK PARTS
$381.99BESTfit Triple Convoluted Air BagPresenting our Air Spring Triple Convoluted, engineered with precision for superior performance. Crafted to perfection, this triple convoluted air spring boasts a load capacity of 5400 lbs at 80 PSI and 6800 lbs at 100...$381.99 -
BESTfit 409 Aluminized Stainless Steel Multi-Bend DPF Pipe For International ProStar 2012-2018
BESTFIT TRUCK PARTS
$993.99BESTfit Multi-Bend Aluminized Stainless Steel DPF Pipe Fits International ProStarIntroducing our Multi-Bend Pipe, constructed from 409 Aluminized Stainless Steel and crafted in the USA for exceptional quality. This pipe features a single bend for...$993.99 -
BESTfit 409 Aluminized Stainless Steel Straight DPF W/ One Bend For International ProStar 2012-2018
BESTFIT TRUCK PARTS
$422.99BESTfit Aluminized Stainless Steel Straight DPF Pipe W/ One Bend Fits International ProStar * High Quality DPF Pipe* 409 Aluminized Stainless Steel* Straight Pipe With 1 Bend* Made in The USA* Sold Individually* Warranty On Pipes Against Defects In...$422.99 -
BESTfit 409 Aluminized Stainless Steel 90 Degree Bend DPF Pipe For International ProStar 2012-2018
BESTFIT TRUCK PARTS
$309.99BESTfit 90 Degree Aluminized Steel DPF Pipe * High Quality DPF Pipe* 409 Aluminized Stainless Steel* 90 Degree Angle* Made In The USA* Sold Individually* Warranty On Pipes Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$309.99 -
BESTfit Chrome 5 Inch Curve Turn Out Exhaust Stack - 96 Inch Length With Outside Diameter Inlet-Plain
BESTFIT TRUCK PARTS
$578.99BESTfit 5 Inch Chrome 96 Inch Curve Turn Out Exhaust Stack With Plain Inlet - O.D. * High Quality 5 Inch Exhaust Stack* Curve Style Turn Out* Made Of Chrome-Plated Steel* 5 Inch O.D. Inlet - Plain Inlet To Fit Inside 5 Inch Expanded Mufflers, Elbows Or...$578.99 -
BESTfit 4 Inch ID Inlet X 24 Inch Chrome-Plated Steel Curved Top Stack
BESTFIT TRUCK PARTS
$141.99BESTfit 4 Inch ID Inlet X 24 Inch Chrome-Plated Steel Curved Top StackIntroducing our Chrome-Plated Steel Stack, crafted to enhance your vehicle's exhaust system. This stack boasts a 4-inch diameter and a length of 24 inches, providing both durability...$141.99 -
BESTfit 4 Inch OD Inlet X 18 Inch Chrome-Plated Steel Curved Top Stack
BESTFIT TRUCK PARTS
$126.99BESTfit 4 Inch OD Inlet X 18 Inch Chrome-Plated Steel Curved Top StackUpgrade your vehicle's exhaust system with our premium Chrome-Plated Steel Stack, boasting a sleek design and durable construction. With dimensions of 4 inches in diameter and 18...$126.99