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Long Tube Headers Built for Real Airflow Gains on the 5.0L Mustang GT
These Stainless Power headers from Stainless Works replace the restrictive factory manifolds on your 2015-2026 Ford Mustang GT 5.0L with 1-7/8 inch CNC mandrel-bent primary tubes designed to improve exhaust flow and unlock more power from the Coyote V8. This aftermarket connect version is sized to fit most aftermarket catback exhaust systems, giving you flexibility beyond the Stainless Works catback lineup. Some aftermarket catback systems may require minor cutting for a proper fit.
Key Features
- 1-7/8 inch CNC mandrel-bent primary tubes for improved exhaust flow over factory manifolds
- Aftermarket connection sized to fit most aftermarket catback exhaust systems
- Engineered specifically for the 2015-2026 Mustang GT 5.0L Coyote V8 engine bay
- Stainless steel construction resists corrosion and holds up to sustained exhaust heat
Fitment
| Vehicle Application |
|---|
| 2015-2026 Ford Mustang GT, 5.0L |
Specifications
| Detail | Value |
|---|---|
| Brand | Stainless Works |
| Product Line | Stainless Power |
| Primary Tube Diameter | 1-7/8 inch |
| Connection Type | Aftermarket connect, may require cutting |
| Material | Stainless steel |
What's Included
- Long tube headers with 1-7/8in primaries (2)
About Stainless Works
Stainless Works designs and manufactures American-made stainless steel exhaust systems and headers for street and performance applications, engineering each header and exhaust component specifically for the vehicle platform it fits.
Related Parts
- Stainless Works 15-18 Ford Mustang GT Aftermarket Connect 2in Catted Headers
- Stainless Works 2018+ Ford Mustang GT 3in Redline Series Catback
FAQ
Do these headers require any cutting or modification to install?The header-to-cylinder-head connection is a direct bolt-on fit. Some aftermarket catback systems may require minor cutting at the downstream connection point to achieve a proper fit.
What is the difference between this kit and the performance connect version?The aftermarket connect version is sized to fit most aftermarket catback systems, while the performance connect version is sized specifically for a Stainless Works catback.
Will this fit my specific aftermarket catback brand?This version is designed to fit most aftermarket catback systems, but exact fit can vary by brand. Some installations may require minor trimming or cutting to achieve a clean connection.
What sound difference should I expect after installing these headers?Expect a deeper, more resonant Coyote V8 tone due to improved exhaust flow, with the overall character depending on the catback exhaust used downstream.
What is the primary tube diameter and why does it matter?The primary tubes measure 1-7/8 inch in diameter, sized to improve exhaust velocity and flow over the factory manifold without sacrificing low-end torque.
Is professional installation recommended?Header installation on this platform involves engine bay access and torque-critical fasteners, and the aftermarket connect version may require cutting, so professional installation is strongly recommended.
Do these headers include catalytic converters?Catalytic converter inclusion varies by specific Stainless Works Mustang header configuration. Confirm cat status with your order details and local emissions requirements before installation.
Will these headers fit both manual and automatic transmission Mustangs?These headers are engine-specific to the 5.0L Coyote V8 and are not transmission-dependent, so they fit both manual and automatic Mustang GT models.
Installation Instructions
- Allow the engine and exhaust system to cool completely before beginning work.
- Raise and safely support the vehicle, then remove any components blocking access to the factory exhaust manifolds.
- Disconnect the factory manifolds from the cylinder heads and from the factory exhaust connection point.
- Install the new Stainless Power headers using new gaskets at the cylinder head mounting surface, torquing hardware to factory specification.
- Connect the header collectors to your aftermarket catback exhaust, trimming the connection point only if necessary for a proper fit.
- Inspect all connections for a secure, leak-free fit before lowering the vehicle.
- Start the engine and check for exhaust leaks at all new connection points.
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