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Select Your Vehicle Specifications
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We do not have those parts for your vehicle. Please select another part category.
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Where is your Vehicle Registered?
WHAT EMISSIONS STANDARD IS YOUR VEHICLE EQUIPPED WITH?
You can find out by inspecting the emissions sticker that is located in your engine compartment.
Vehicle Details
Select the option that best describes your vehicle. We want to make sure the part fits your specific vehicle so we need a little more information from you.
What is your EFN # ?
You can identify your vehicle’s EFN by checking your emission tag located under the hood, on the suspension tower or on the radiator shroud.
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Browse all 2003 4Runner Exhaust Systems
MagnaFlow offers complete performance exhaust systems for your 2003 Toyota 4Runner. Determine the power and sound you demand for your 2003 4Runner and shop all available exhaust systems online. Select your '03 Toyota 4Runner sub-model and engine details to buy the best exhaust system that fits your needs.
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Performance Exhaust Systems
Browse Compatible 4Runner Parts
Catalytic Converters
Replacement Exhaust Systems
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Discover the sound of adventure. Built for the Toyota 4Runner and developed for functional performance. Explore now.
Discover the difference between Axle-Back and Cat-Back Exhaust Systems. Determine the best configuration for your 4Runner.
Browse all MagnaFlow SUV Exhaust Systems online and buy an exhaust kit that meets your performance needs.