2011-2014 Ford Mustang 5.0 V8 GT Header Stainless Steel
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Stainless Steel Header — Ford Mustang 5.0 V8 GT
Cast stainless steel header designed for the 5.0L V8 engine, engineered to improve exhaust scavenging and flow. Stainless construction resists corrosion and thermal stress. Direct bolt-on design integrates with factory mounting locations.
Key Features
- Cast stainless steel tubes - Withstands high exhaust temperatures and resists rust without coating or maintenance.
- Factory bolt-on design - Mounts at original attachment points; no welding or drilling required.
- Optimized tube routing - Minimizes back-pressure for smoother engine breathing and better scavenging.
Specs
- Material: Stainless Steel
- Configuration: Cast tube header, 8-into-1 design
- Condition: New
Whats Included
- Header assembly only
Frequently Asked Questions
Do I need to replace my exhaust manifold gaskets before installing this header?
Yes. Use fresh OEM or quality aftermarket gaskets on both the cylinder head and collector flange. Old gaskets can leak under header pressure.
Will this fit my existing exhaust system and O2 sensors?
The collector outlet matches factory dimensions. Confirm your downstream piping and O2 sensor locations before install — some secondary sensors may need relocation depending on your setup.
What's the break-in procedure after installation?
Run at moderate RPM for the first 50 miles to stabilize gasket seals and allow stainless tubes to thermally cycle. Avoid hard acceleration until the header is fully seated.
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.