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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 Mustang Exhaust Systems
MagnaFlow offers complete performance exhaust systems for your 2003 Ford Mustang. Determine the power and sound you demand for your 2003 Mustang and shop all available exhaust systems online. Select your '03 Ford Mustang sub-model and engine details to buy the best exhaust system that fits your needs.
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Performance Exhaust Systems
Browse Compatible Mustang Parts
Catalytic Converters
Replacement Exhaust Systems
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From No Drone Technology (NDT) to configurable modules, learn more about the new Ford Mustang GT xMOD Series features.
Learn the difference between Axle-Back and Cat-Back Exhausts. Find out which is the best configuration for you.