MOPAR 1121704 Intake Exhaust Manifolds Flathead

( Brand: Mopar ), ( Part Type: Intake Exhaust Manifold ), ( Mounting Style: Bolt-on ), ( Substrate Material: Iron ), ( Items Included: Intake Manifold, Exhaust Manifold, Heat Riser Butterfly Assembly, Sisson Choke Apparatus ), ( Manufacturer Part Number: 1121704 ), ( Material: Cast Iron ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Country Of Origin: United States ), ( Fuel Type: Gasoline )

Review MOPAR Intake And Exhaust Manifolds Chrysler Desoto Dodge Inch Flathead Six fits 1954–2025

Introducing the Mopar 1121704 Intake Exhaust Manifolds, specifically designed for Chrysler DeSoto and Dodge vehicles equipped with the 25 Flathead engine from the year 1954. These intake exhaust manifolds are an essential component of your engine's exhaust system, responsible for directing exhaust gases from the cylinder heads to the exhaust pipes.

The Mopar 1121704 Intake Exhaust Manifolds are meticulously crafted using high-quality materials that ensure durability and longevity. Each manifold is engineered to precise specifications to ensure optimal engine performance. The manifolds feature a unique design that provides efficient exhaust gas flow, reducing backpressure and improving overall engine power and efficiency.

These manifolds are a direct fit for Chrysler DeSoto and Dodge 25 Flathead engines from 1954. They come as a set, each manifold complete with all necessary hardware for a seamless installation process. The manifolds are also designed to work in conjunction with your engine's stock or aftermarket intake system.

Installing the Mopar 1121704 Intake Exhaust Manifolds is a straightforward process. The manifolds are designed with easy-to-access bolt patterns, allowing for quick and hassle-free installation. However, it's always recommended to consult your vehicle's service manual or a qualified mechanic for any installation tasks to ensure proper fitment and function.

Upgrading your vehicle with the Mopar 1121704 Intake Exhaust Manifolds not only enhances engine performance but also adds a touch of authenticity to your classic Chrysler DeSoto or Dodge 25 Flathead engine. These manifolds are a must-have for any enthusiast looking to restore or upgrade their vintage vehicle.

In summary, the Mopar 1121704 Intake Exhaust Manifolds are a high-quality replacement for the original intake exhaust manifolds on Chrysler DeSoto and Dodge 25 Flathead engines from 1954. They offer improved performance, ease of installation, and durability, making them an essential upgrade for any classic car enthusiast.

Mopar 1121704 intake exhaust manifolds are aftermarket parts designed for Chrysler DeSoto and Dodge 25 Flathead engines produced in 1954. These manifolds can offer several benefits and drawbacks, depending on individual preferences and circumstances.

1. Enhanced Performance: Intake exhaust manifolds play a significant role in engine performance. Upgrading to aftermarket manifolds like Mopar 1121704 can lead to improved airflow and better combustion, resulting in increased horsepower and torque.

2. Durability: Aftermarket manifolds are often manufactured using higher-quality materials compared to stock components. Mopar 1121704 manifolds, for instance, are made from cast iron, ensuring long-lasting durability and resilience against engine heat and pressure.

3. Customization: Upgrading to aftermarket intake exhaust manifolds allows customization, enabling enthusiasts to personalize their engines and distinguish their vehicles from others.

1. Cost: Aftermarket intake exhaust manifolds can be more expensive than stock components. The cost of Mopar 1121704 manifolds, for example, may be higher than the cost of OEM (Original Equipment Manufacturer) alternatives.

2. Installation Complexity: Installing aftermarket intake exhaust manifolds can be a challenging process, especially for those without mechanical expertise. The procedure may require specialized tools and a high level of precision to ensure proper fitment and function.

3. Potential for Leaks: Intake and exhaust manifold gaskets can be susceptible to leaks, which can lead to loss of engine performance and potential damage to the engine. Installing aftermarket manifolds can increase the likelihood of leaks due to differences in manufacturing processes or material compatibility.

The decision to purchase Mopar 1121704 intake exhaust manifolds for a 1954 Chrysler DeSoto or Dodge 25 Flathead engine depends on individual priorities and circumstances. For those seeking improved performance, durability, and customization, the benefits may outweigh the cons. However, for those on a tight budget or with limited mechanical expertise, the challenges and costs associated with aftermarket manifolds may make stock components a more attractive choice. Ultimately, careful consideration of personal preferences, budget, and mechanical abilities is essential when deciding whether to invest in aftermarket intake exhaust manifolds like Mopar 1121704.

If you are considering purchasing Mopar 1121704 intake exhaust manifolds for your 1954 Chrysler DeSoto or Dodge 25 Flathead engine, it is recommended that you thoroughly research the benefits and drawbacks, assess your budget and mechanical abilities, and consult with a professional mechanic or engine builder. This will help you make an informed decision and ensure a successful installation process.

part # 1121704 prices

• $275.00-$358.50

specifications maniheader:

• for makes: Chrysler, Desoto, Dodge, Mopar
• for years: 1954-2025
• brand: Mopar
• part type: Intake Exhaust Manifold
• mounting style: Bolt-on
• substrate material: Iron
• items included: Intake Manifold, Exhaust Manifold, Heat Riser Butterfly Assembly, Sisson Choke Apparatus
• manufacturer part number: 1121704
• material: Cast Iron
• vintage part: Yes
• universal fitment: No
• country of origin: United States
• fuel type: Gasoline

returns maniheader:

• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted

offer maniheader:

• quantity: 1
• started: May 19, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock

general maniheader:

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

seller maniheader:

• # reviews: 197
• rating: 99.1%

shipping maniheader:

• service: UPS Ground
• type: Calculated
• class: Standard
• cost: $44.03
• transit: 3-9 Days
• carrier: UPS

payments maniheader:

• other
• wallet: Apple-pay
• credit card: Mastercard

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