FORD C9ZE-9428-A Exhaust Manifolds 9431-A

( Type: Exhaust Manifold ), ( Substrate Material: Iron ), ( Manufacturer Part Number: C9ZE-9428-A ), ( Material: Cast Iron ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review FORD Original Exhaust Manifolds fits MUSTANG BOSS 302 1969–1970

Introducing the Ford 69-70 Mustang Boss 302 Exhaust Manifolds 9431-A, a high-performance upgrade for your classic Ford Mustang. These exhaust manifolds are engineered specifically for the Boss 302 model years of 1969 and 1970.

The Ford 9431-A exhaust manifolds are made with premium quality materials to ensure durability and superior performance. Each manifold is constructed from heavy-duty cast iron for strength and longevity. The design features large primary and secondary ports for optimal exhaust flow, which helps to maximize horsepower and torque.

The exhaust manifolds are also designed with a 2-bolt flange, which provides a secure attachment to the engine and ensures a proper seal. Additionally, they come with new gaskets and hardware for easy installation.

These exhaust manifolds are a direct replacement for the factory manifolds and are designed to fit seamlessly into your Mustang's existing exhaust system. They are also CARB-legal for those who live in California or other areas with strict emissions regulations.

Installing these high-performance exhaust manifolds can provide noticeable improvements to your Mustang's engine performance. They help to increase exhaust flow, reduce backpressure, and provide a more efficient combustion process. This can lead to increased power output, improved throttle response, and a more exhilarating driving experience.

In summary, the Ford 69-70 Mustang Boss 302 Exhaust Manifolds 9431-A are a must-have upgrade for any Boss 302 Mustang owner looking to maximize engine performance and enhance the driving experience. With their durable construction, superior design, and easy installation, these exhaust manifolds are an excellent investment for any Mustang enthusiast.

A Comparative Analysis of Ford C9ZE-9428-A 1969-1970 Mustang Boss 302 Exhaust Manifolds (9431-A)

Ford Mustang Boss 302 is a iconic muscle car from the late 1960s and early 1970s. One of the essential components of its performance is the exhaust manifold. In this analysis, we will compare the Ford C9ZE-9428-A and 9431-A exhaust manifolds for 1969-1970 Mustang Boss 302 models to help potential buyers make informed decisions.

- Cast iron design

- Three-bolt flange

- Two-piece design with a gasket between the two parts

- Designed for use with the original 289 and 302 V8 engines

- Cast iron design

- Four-bolt flange

- One-piece design

- Designed for use with the 302 V8 engine in later Mustang models

- Compatibility with older 289 and 302 engines

- Gasketed design for a better seal and improved performance

- Three-bolt flange may not provide as strong a connection as a four-bolt flange

- Replacement gaskets may be difficult to find

- Four-bolt flange for a stronger connection

- One-piece design for easier installation

- Compatibility is limited to later 302 V8 engines

Both exhaust manifolds are designed for the high-performance 302 V8 engines. However, their differences in design and construction may result in marginal differences in performance. The gasketed design of the C9ZE-9428-A manifold could potentially provide a better seal, leading to improved performance.

The price and availability of the two exhaust manifolds may vary depending on the market. Generally, the C9ZE-9428-A manifolds are more common among enthusiasts and may be less expensive due to their broader application. However, 9431-A manifolds may be more readily available from dealers and may offer a better fit if you're working on a late-model Boss 302.

In summary, both Ford C9ZE-9428-A and 9431-A exhaust manifolds have their unique advantages and disadvantages. The C9ZE-9428-A manifolds offer compatibility with older engines and a potential performance advantage due to their gasketed design. In contrast, the 9431-A manifolds offer a stronger connection and easier installation. Ultimately, the choice between the two depends on your specific application, availability, and preference.

If you're working on an early 1969-1970 Mustang Boss 302 with a 289 or 302 engine, the C9ZE-9428-A exhaust manifolds may be the best option due to their broad compatibility and potential performance benefits. However, if you're working on a late-model Boss 302 or prefer the ease of installation offered by the 9431-A manifolds, they may be the better choice. Always ensure that you confirm compatibility and availability before making a purchase.

part # c9ze9428 prices

• $169.96-$2000.00

specifications maniheader:

• for models: 302, Mustang, Boss
• for makes: Ford
• for years: 1969-1970
• type: Exhaust Manifold
• substrate material: Iron
• manufacturer part number: C9ZE-9428-A
• material: Cast Iron
• vintage part: Yes
• country of origin: United States

general maniheader:

• Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
• condition: Used

offer maniheader:

• options: Ship-to-home
• availability: In Stock
• started: May 28, 2026
• sold: 0
• quantity: 1

returns maniheader:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

payments maniheader:

• wallet: Paypal
• credit card: Diners-club
• other

seller maniheader:

• # reviews: 5718
• rating: 100.0%

shipping maniheader:

• class: Standard, Expedited
• type: Calculated
• carrier: UPS, USPS
• service: UPS Ground, USPS Priority Mail
• cost: $178.22
• transit: 4-7 Days

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