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Home Manifolds PartsFlow Exhaust Manifold Kit Review: Upgrade Your Ford Expedition or F-150 (674-695, 674-694)
PartsFlow Exhaust Manifold Kit Review: Upgrade Your Ford Expedition or F-150 (674-695, 674-694)

PartsFlow

PartsFlow Exhaust Manifold Kit Review: Upgrade Your Ford Expedition or F-150 (674-695, 674-694)

4.0

Category

Manifolds

Published

March 29, 2026

ASIN

B08X6Y52MP

Rating

4.2/5.0

Manifolds 4.2 Rating
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PartsFlow Exhaust Manifold Kit Review: Upgrade Your Ford Expedition or F-150 (674-695, 674-694)

Are you experiencing exhaust leaks, reduced fuel efficiency, or a general decline in your Ford truck's performance? The exhaust manifold is a crucial component responsible for directing exhaust gases away from the engine. A cracked or damaged manifold can lead to serious engine problems and costly repairs. The PartsFlow Left+Right Exhaust Manifold Kit (674-695, 674-694) offers a direct replacement solution for select Ford and Lincoln models, including the F-150, F-250 Super Duty, F-350 Super Duty, Expedition, Navigator, and Mark LT. This review will provide an in-depth look at its features, benefits, and potential drawbacks to help you decide if it's the right choice for your vehicle.

This manifold kit is designed for owners of 2004-2009 Ford F-150, 2005-2009 Ford Expedition, 2005-2009 Lincoln Navigator, and 2006-2008 Lincoln Mark LT models, as well as 2005-2009 Ford F-250 and F-350 Super Duty trucks. If you're a DIY enthusiast looking to save money on repairs, or a professional mechanic seeking a reliable replacement part, this kit could be a viable option. It addresses common issues like exhaust leaks, engine noise, and reduced performance caused by faulty exhaust manifolds.

Key Features of the PartsFlow Exhaust Manifold Kit

  • Direct Fit Replacement: Engineered to match the original equipment specifications for easy installation.
  • Durable Construction: Made from high-quality materials to withstand extreme temperatures and pressures.
  • Improved Exhaust Flow: Designed to optimize exhaust gas flow for enhanced engine performance.
  • Complete Kit: Includes both left and right side manifolds for a comprehensive repair.
  • OE Number Compatibility: Replaces OE numbers 674-695 and 674-694, ensuring compatibility.

Pros: Advantages of the PartsFlow Exhaust Manifold Kit

  • Cost-Effective Solution: At around $112.98, this kit offers a significant cost saving compared to purchasing individual manifolds from the dealership or other retailers. It's an affordable way to address exhaust manifold issues without breaking the bank.
  • Enhanced Performance: By replacing cracked or damaged manifolds, you can restore proper exhaust flow, leading to improved engine performance, increased horsepower, and better fuel efficiency. A properly functioning exhaust system is crucial for optimal engine operation.
  • Direct Fit Installation: Designed as a direct replacement, the PartsFlow kit simplifies the installation process. It bolts directly into the original mounting points, minimizing the need for modifications or specialized tools. This makes it a viable DIY project for experienced mechanics.
  • Comprehensive Repair: Includes both left and right manifolds, addressing potential issues on both sides of the engine. This prevents future problems and ensures a balanced exhaust system. Replacing both manifolds simultaneously is often recommended for optimal performance and longevity.

Cons: Disadvantages of the PartsFlow Exhaust Manifold Kit

  • Installation Complexity: While designed as a direct fit, exhaust manifold replacement can be a challenging task, especially for those with limited mechanical experience. Access to the manifolds can be restricted, and the risk of damaging other components exists. Professional installation may be required for some users.
  • Material Quality Concerns (Potential): While advertised as durable, some user reviews suggest that the material quality might not be on par with OEM manifolds. This could potentially lead to premature failure under extreme conditions. It's crucial to consider this factor and monitor the manifolds for signs of wear or damage after installation.

Who Should Buy the PartsFlow Exhaust Manifold Kit?

The PartsFlow Exhaust Manifold Kit is ideally suited for several types of users. Firstly, experienced DIY mechanics looking to save money on repairs for their Ford F-150, F-250 Super Duty, F-350 Super Duty, Expedition, Navigator, or Mark LT models will find this kit a valuable resource. The direct fit design simplifies the installation process, allowing them to tackle the project in their own garage.

Secondly, budget-conscious vehicle owners who are experiencing exhaust leaks, engine noise, or reduced performance due to damaged manifolds will appreciate the affordability of this kit. Compared to purchasing OEM manifolds or paying for professional repairs, the PartsFlow kit provides a cost-effective solution. It's important to consider the potential need for professional installation if you lack the necessary skills and experience.

Finally, professional mechanics seeking a reliable and affordable replacement part for their customers will find the PartsFlow kit a suitable option. The OE number compatibility ensures a proper fit, and the comprehensive kit includes both left and right manifolds. This allows them to provide a complete and efficient repair service. However, they should be aware of the potential material quality concerns and inform their customers accordingly. Compared to brands like Dorman or MagnaFlow, the PartsFlow kit is positioned as a budget friendly option, sacrificing some of the higher-end material for lower cost.

Conclusion: Price, Performance, and Overall Recommendation

The PartsFlow Left+Right Exhaust Manifold Kit offers a compelling combination of affordability and functionality for owners of select Ford and Lincoln models. At $112.98, it significantly undercuts the price of OEM manifolds while providing a direct fit replacement that can restore engine performance and eliminate exhaust leaks. While there are potential concerns regarding material quality compared to higher-end options, the cost savings make it an attractive choice for budget-conscious buyers. If you're looking for a cheaper way to address exhaust leaks and can manage the installation, this manifold could be the answer you are looking for.

Expert Verdict: The PartsFlow Exhaust Manifold Kit is a budget-friendly option for DIYers and cost-conscious owners needing a direct replacement, but be mindful of potential long-term durability compared to premium brands. We recommend this for those with the skills to install and who aren't expecting lifetime OEM quality.

Frequently Asked Questions (FAQ)

Q: What vehicles is this exhaust manifold kit compatible with?

A: This kit is designed for 2004-2009 Ford F-150, 2005-2009 Ford Expedition, 2005-2009 Lincoln Navigator, 2006-2008 Lincoln Mark LT, and 2005-2009 Ford F-250 and F-350 Super Duty models.

Q: Does this kit include gaskets and hardware?

A: While the product description doesn't explicitly state that gaskets and hardware are included, it's always best to confirm with the seller before purchasing. Consider purchasing a separate gasket and hardware kit for a complete installation.

Q: How difficult is the installation process?

A: Exhaust manifold replacement can be challenging, especially for those with limited mechanical experience. Access to the manifolds can be restricted, and the risk of damaging other components exists. Professional installation is recommended if you're not comfortable with automotive repairs.

Q: What are the symptoms of a failing exhaust manifold?

A: Common symptoms include exhaust leaks, engine noise, reduced fuel efficiency, decreased engine performance, and a burning smell.

Q: How does this kit compare to other exhaust manifold kits on the market?

A: The PartsFlow kit is generally more affordable than OEM or high-end aftermarket options like those from Magnaflow or Dorman. However, it may not offer the same level of durability or performance as those premium brands.

Advantages

1

Cost-Effective Solution: Significantly cheaper than OEM or premium aftermarket alternatives.

2

Enhanced Performance: Restores proper exhaust flow, improving engine performance and fuel efficiency.

3

Direct Fit Installation: Designed for easy installation with minimal modifications required.

Limitations

1

Installation Complexity: Exhaust manifold replacement can be challenging, requiring mechanical experience.

2

Material Quality Concerns (Potential): Some user reviews suggest the material quality might not match OEM standards.

Expert Verdict

The PartsFlow Exhaust Manifold Kit is a budget-friendly option for DIYers and cost-conscious owners needing a direct replacement, but be mindful of potential long-term durability compared to premium brands. We recommend this for those with the skills to install and who aren't expecting lifetime OEM quality.

User Reviews

2 reviews

2

Total Reviews

From verified buyers

Verified Purchase Reviews
T
TechGuyPhil Verified Apr 01, 2026
4.5

Much better than the Soundcore equivalent in terms of comfort, though those are way cheaper. If you have the budget, go for Ozlo. The profile is so slim you forget you're wearing them.

J
J-Dog Verified Apr 02, 2026
4.0

its decent i guess. kinda tricky to get the inserts right at first and the zipper got stuck once. its better than nothing but idk if i'd buy it again for full price.

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