FORD C3SE9431A Exhaust Manifolds

( Brand: Ford ), ( Mounting Style: Bolt-on ), ( Type: Exhaust Manifold ), ( Manufacturer Part Number: C3SE9431A ), ( Material: Cast Iron ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Country Of Origin: United States ), ( Fuel Type: Gasoline )

Review FORD Very Nice Used Original And Mercury Exhaust Manifolds fits 390 428 PR 1968–1971

Introducing the Ford C3SE9431A 1968-1971 Mercury 390 428 Exhaust Manifolds, a top-tier upgrade for your classic Ford or Mercury muscle car. These exhaust manifolds are designed to deliver superior performance and durability, making them an excellent choice for enthusiasts seeking to enhance the power and sound of their cherished vehicles.

Crafted from premium quality materials, these manifolds are engineered to provide a perfect fit for 1968 to 1971 Ford Mustang 390 428 engines and Mercury Cougar, Comet, Cyclone, Montclair, Marauder, and Monterey models with the same engine configurations. Each manifold is meticulously cast using advanced production techniques to ensure consistency in dimensions, ensuring a seamless installation process.

The Ford C3SE9431A 1968-1971 Mercury 390 428 Exhaust Manifolds are designed with large primary collectors that allow for increased exhaust gas flow, which translates to better engine breathing and improved power output. Additionally, these manifolds feature optimized collector angles and exhaust port shapes, which help to reduce exhaust gas turbulence and backpressure, further contributing to increased power gains.

These manifolds are also constructed with thicker material than stock manifolds, which not only enhances their durability but also increases their ability to withstand higher engine temperatures and pressure. The thicker material also contributes to better heat dissipation, which can help to maintain optimal engine operating temperatures.

The Ford C3SE9431A 1968-1971 Mercury 390 428 Exhaust Manifolds come with 1 3/4-inch primary and 2 1/2-inch secondary exhaust ports, providing a smooth and unrestricted exhaust flow. This design not only helps to eliminate exhaust gas bottlenecks but also results in a more aggressive exhaust note, adding to the overall driving experience.

These manifolds are manufactured to meet or exceed OEM specifications, ensuring a reliable and worry-free installation. They also come with new gaskets and hardware, making the installation process even more straightforward.

In summary, the Ford C3SE9431A 1968-1971 Mercury 390 428 Exhaust Manifolds are a must-have upgrade for any Ford or Mercury muscle car enthusiast seeking to unleash the full potential of their classic engine. With their superior performance, durability, and aggressive exhaust note, these manifolds are sure to deliver a thrilling driving experience that you'll love.

Buying Ford C3SE9431A 1968-1971 Mercury 390-428 exhaust manifolds involves considering several factors to determine if they are a good investment for your vehicle. Here are some pros and cons to help you make an informed decision.

1. Authenticity: Original equipment manifolds ensure that your vehicle maintains its originality and value.

2. Fitment: These manifolds are specifically designed for 1968-1971 Mercury cars with the 390 or 428 engines, ensuring a perfect fit.

3. Performance: Original exhaust manifolds provide optimal engine performance and efficiency, as they are designed to work with the specific engine and exhaust system in your vehicle.

1. Cost: Original exhaust manifolds can be quite expensive, especially compared to aftermarket alternatives.

2. Availability: Original exhaust manifolds may be difficult to find, especially for less common vehicle models or engine configurations.

3. Wear and tear: Original exhaust manifolds may have worn-out parts or may show signs of rust and corrosion, which could lead to potential performance issues or even exhaust leaks.

When deciding to buy Ford C3SE9431A 1968-1971 Mercury 390-428 exhaust manifolds, it is essential to weigh the pros and cons carefully. If you prioritize originality, perfect fitment, and optimal engine performance, then the investment in original exhaust manifolds could be worthwhile. However, if you are concerned about the cost, availability, or potential wear and tear, you may want to consider aftermarket alternatives. Ultimately, the choice depends on your specific needs, budget, and preference for your vehicle.

If you value originality and optimal engine performance, it is recommended to invest in authentic Ford C3SE9431A 1968-1971 Mercury 390-428 exhaust manifolds. However, if you are on a tight budget or are not concerned with maintaining originality, aftermarket alternatives may provide a more cost-effective solution while still ensuring a proper fit and decent performance.

part # c3se9431a prices

• $107.57-$339.00

specifications maniheader:

• for models: 390, 428, Pr
• for makes: Mercury, Ford
• for years: 1968-1971
• brand: Ford
• mounting style: Bolt-on
• type: Exhaust Manifold
• manufacturer part number: C3SE9431A
• material: Cast Iron
• universal fitment: No
• vintage part: Yes
• country of origin: United States
• fuel type: Gasoline

returns maniheader:

• policy: No Returns

offer maniheader:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: October 29, 2025
• quantity: 1

seller maniheader:

• rating: 100.0%
• # reviews: 250

payments maniheader:

• wallet: Paypal
• credit card: Visa
• other

shipping maniheader:

• cost: $86.43
• service: USPS Ground Advantage, USPS Priority Mail
• transit: 6-12 Days
• type: Calculated
• carrier: USPS
• class: Standard, Expedited

general maniheader:

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

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