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 5 Inch 16G Aluminized Steel Double Bend Pipe For 5, 6, 7 Inch Stack Kits W/ 5 Inch Inlet
BESTFIT TRUCK PARTS
$353.99BESTfit 5 Inch 16G Aluminized Steel Double Bend Pipe For 5, 6, 7 Inch Stack Kits W/ 5 Inch InletIntroducing our 16 Gauge Aluminized Steel Stack, engineered with a 5-inch diameter and a 5-inch inlet diameter, ensuring compatibility with various stack kits...$353.99 -
BESTfit 5 Inch 16G Aluminized Steel Double Bend Pipe For 5, 6, 7 Inch Stack Kits
BESTFIT TRUCK PARTS
$301.99BESTfit 5 Inch 16G Aluminized Steel Double Bend Pipe For 5, 6, 7 Inch Stack KitsIntroducing our 16 Gauge Aluminized Steel Stack, designed to meet a 5-inch diameter requirement. Crafted in The USA, this stack boasts exceptional quality and durability...$301.99 -
BESTfit 4 Inch 16G Aluminized Steel Double Bend Pipe For 4 Inch Stack Kits
BESTFIT TRUCK PARTS
$257.99BESTfit 4 Inch 16G Aluminized Steel Double Bend Pipe For 4 Inch Stack KitsConstructed with durable 16 Gauge Aluminized Steel, this Stack Kit features a 4-inch Double Bend Pipe and a 4-inch Stack kit. Made in The USA, this kit ensures craftsmanship and...$257.99 -
BESTfit 4 Inch O.D. X 60 Inch Chrome-Plated Steel Miter Top Stack
BESTFIT TRUCK PARTS
$215.99BESTfit 4 Inch O.D. X 60 Inch Chrome-Plated Steel Miter Top StackConstructed from durable Chrome-Plated Steel, this aftermarket stack boasts a substantial 4-inch diameter and an impressive length of 60 inches, making it ideal for enhancing both the...$215.99 -
BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch Outlet
BESTFIT TRUCK PARTS
$1,064.99BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch OutletCrafted from durable Aluminized Steel, this aftermarket muffler is designed to elevate your vehicle's exhaust system. It comes complete with mounting hardware...$1,064.99 -
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 3.5 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 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 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