
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 ID Inlet X 72 Inch Chrome-Plated Steel Miter Cut Stack
BESTFIT TRUCK PARTS
$430.99BESTfit 5 Inch ID Inlet X 72 Inch Chrome-Plated Steel Miter Cut StackIntroducing the Chrome-Plated Steel Miter, designed to elevate your exhaust system with its sleek and durable construction. With dimensions of 5 inches in diameter and 72 inches in...$430.99 -
BESTfit 5 Inch I.D. Inlet X 18 Inch Chrome-Plated Steel Flat Top Stack
BESTFIT TRUCK PARTS
$124.99BESTfit 5 Inch I.D. Inlet X 18 Inch Chrome-Plated Steel Flat Top StackIntroducing the Straight Exhaust Tubing, meticulously crafted with chrome-plated steel to ensure durability and longevity. With a diameter of 5 inches and a length of 18 inches, this...$124.99 -
BESTfit 4 X 12 X 26 Inch Aluminized Steel Universal Type A Y-Pipe With Divider Plate
BESTFIT TRUCK PARTS
$299.99BESTfit 4 X 12 X 26 Inch Aluminized Steel Universal Type A Y-Pipe With Divider PlateIntroducing the Type A Y Pipe, constructed from durable aluminized steel for long-lasting performance. With a diameter of 4 inches and generous dimensions of 26 inches...$299.99 -
BESTfit 3.5 X 10 X 14 Inch Aluminized Steel Universal Type A Y-Pipe W/ No Divider Plate
BESTFIT TRUCK PARTS
$183.99Aluminized Steel Type A Universal Y-Pipe W/ 10 Inch Tail & No Divider PlateIntroducing the Type A Y Pipe, crafted from durable aluminized steel, ensuring longevity and reliability. With a diameter of 3.5 inches and dimensions of 14 inches wide and 10...$183.99 -
BESTfit 3 X 10 X 12 Inch Aluminized Steel Universal Type A Y-Pipe With No Divider Plate
BESTFIT TRUCK PARTS
$209.99BESTfit 3 X 10 X 12 Inch Aluminized Steel Universal Type A Y-Pipe With No Divider PlateIntroducing the Type A Y Pipe, an essential component for your exhaust system. This Y Pipe features a diameter of 3 inches, with dimensions of 12 inches wide and ten...$209.99 -
BESTfit 5 X 72 Inch Chrome-Plated Steel Bull Hauler Top Stack
BESTFIT TRUCK PARTS
$399.99BESTfit 5 X 72 Inch Chrome-Plated Steel Bull Hauler Top StackIntroducing the Bullhorn Stack, crafted from chrome-plated steel to ensure durability and a sleek appearance. This stack boasts dimensions of 5 inches in diameter and 72 inches in length,...$399.99 -
BESTfit 5 X 48 Inch Chrome-Plated Steel Bull Hauler Top Stack
BESTFIT TRUCK PARTS
$194.99BESTfit 5 X 48 Inch Chrome-Plated Steel Bull Hauler Top StackIntroducing the Bullhorn Stack, crafted from chrome-plated steel for durability and a sleek appearance. With a diameter of 5 inches and a length of 48 inches, this stack is designed to enhance...$194.99 -
BESTfit Grand Rock Chrome 6 Inch Reduces To 5 Inch O.D. Curve Turn Out Exhaust Stack - 36 Inch Length
BESTFIT TRUCK PARTS
$339.99BESTfit 6 Inch X 36 Inch Chrome Curve Turn Exhaust Stack Reduces To 5 Inch O.D. InletIntroducing our Chrome-Plated Steel Exhaust Stack, meticulously crafted to elevate your vehicle's exhaust system. Designed in a curve turn-out style, this stack adds a...$339.99 -
BESTfit Grand Rock Chrome 6 Inch Reduces To 5 Inch O.D. Curve Turn Out Exhaust Stack - 24 Inch Length
BESTFIT TRUCK PARTS
$249.99BESTfit 6 Inch X 24 Inch Chrome Curve Turn Exhaust Stack Reduces To 5 Inch O.D. InletIntroducing our Chrome-Plated Steel Exhaust Stack, crafted in the Curve Turn Out style to add a distinctive touch to your truck's exhaust system. With a 6-inch O.D. pipe...$249.99 -
BESTfit 7-5 X 60 Inch Chrome-Plated Steel Bull Hauler Top Stack
BESTFIT TRUCK PARTS
$776.99BESTfit 7-5 X 60 Inch Chrome-Plated Steel Bull Hauler Top StackPresenting our Chrome-Plated Steel Exhaust Stack, meticulously crafted in the Bull Hauler style to add a touch of elegance to your truck. Constructed with quality materials, this stack is...$776.99 -
BESTfit 7-5 X 48 Inch Chrome-Plated Steel Bull Hauler Top Stack
BESTFIT TRUCK PARTS
$1,603.99BESTfit 7-5 X 48 Inch Chrome-Plated Steel Bull Hauler Top StackIntroducing our Chrome-Plated Steel Exhaust Stack, meticulously crafted in the Bull Hauler style for a sleek and polished look. Made with quality materials, this stack is designed to last...$1,603.99 -
BESTfit 7-5 X 36 Inch Chrome-Plated Steel Bull Hauler Top Stack
BESTFIT TRUCK PARTS
$634.99BESTfit 7-5 X 36 Inch Chrome-Plated Steel Bull Hauler Top StackIntroducing our Chrome-Plated Steel Exhaust Stack, meticulously crafted in the Bull Hauler style for a sleek and polished look. Made with quality materials, this stack is designed to last...$634.99