MAZDA N370-13-450B Exhaust Manifold RX7 89-91 FC3S

( Mounting Style: Bolt-on ), ( Items Included: Manifold To Turbo Gasket ), ( Color: Unpainted ), ( Manufacturer Part Number: N370-13-450B ), ( Cylinder Head Type: Oval Port Standard ), ( Material: Steel ), ( Vintage Part: Yes ), ( Materials Sourced From: Japan ), ( Placement On Vehicle: Engine ), ( Type: Exhaust Manifold ), ( Universal Fitment: No )

Review MAZDA Exhaust Manifold Rx7 89-91 Fc fits S5 TURBO

Introducing the Mazda N370-13-450B S5 Turbo Exhaust Manifold, an exceptional upgrade for your Mazda RX7 (FC) or Mazda FD (FC3S) from the years 1989 to 1991. This high-performance exhaust manifold is meticulously engineered to replace the original part, boosting power and enhancing the overall driving experience.

Constructed from premium S5 material, this exhaust manifold is designed for durability and longevity. The S5 alloy is known for its superior strength and heat resistance, making it the perfect choice for high-performance applications. The manifold's design ensures a precise fitment to your Mazda engine, ensuring a secure connection and optimal exhaust flow.

The N370-13-450B S5 Turbo Exhaust Manifold features a turbo inlet design, which allows for increased exhaust gas velocity and improved turbocharger response. This results in smoother power delivery and more responsive acceleration. The manifold's turbo inlet is engineered to minimize turbulence, ensuring efficient combustion and maximizing engine performance.

The exhaust manifold's design also includes larger collectors, which increase the flow rate of exhaust gases. This not only improves power output but also reduces back pressure within the engine, resulting in better engine efficiency and improved fuel economy. The larger collectors also contribute to a more aggressive exhaust note, adding an exhilarating element to your driving experience.

The Mazda N370-13-450B S5 Turbo Exhaust Manifold is a direct replacement for the original part and is compatible with Mazda RX7 (FC) and Mazda FD (FC3S) models from 1989 to 1991. Its installation is straightforward, and it comes with all necessary hardware for a hassle-free installation process. This exhaust manifold is an excellent investment for any Mazda enthusiast looking to enhance their engine performance and driving experience.

Mazda RX7 89-91 FC/FC3S N370-13-450B S5 Turbo Exhaust Manifold: Pros, Cons, and Conclusion

The Mazda RX7 89-91 FC/FC3S N370-13-450B S5 Turbo Exhaust Manifold is a popular aftermarket upgrade for those looking to boost the performance of their Mazda RX7. In this analysis, we will discuss the advantages and disadvantages of installing this exhaust manifold.

1. Increased Performance: The primary reason for installing a high-performance exhaust manifold is to enhance the engine's power output. The N370-13-450B S5 Turbo Exhaust Manifold is designed to improve the scavenging effect, allowing for better exhaust gas flow and increased combustion efficiency. This results in more power and torque, providing a noticeable improvement in acceleration and overall engine performance.

2. Durability: This exhaust manifold is made from high-quality materials, such as stainless steel, ensuring that it can withstand the rigors of high-performance driving. It is also designed to withstand the increased exhaust gas temperatures generated by a turbocharged engine, making it a long-lasting upgrade for your Mazda RX7.

3. Enhanced Sound: The N370-13-450B S5 Turbo Exhaust Manifold is known for producing a distinctive and exhilarating exhaust note. This not only adds to the driving experience but also helps to distinguish your Mazda RX7 from other stock vehicles.

1. Installation Complexity: Installing this exhaust manifold can be a complex process. It may require the use of specialized tools and a significant amount of time, especially if you are not an experienced mechanic. Additionally, the installation process may require modifications to the engine bay and the exhaust system, which could potentially lead to complications.

2. Cost: The N370-13-450B S5 Turbo Exhaust Manifold is a premium aftermarket part, and as such, it comes with a higher price tag compared to the stock exhaust manifold. This may be a significant investment for some Mazda RX7 owners, especially those on a tight budget.

3. Potential Impact on Emissions: While this exhaust manifold is designed to improve performance, it may potentially have an impact on your Mazda RX7's emissions. This could be a concern for those living in areas with strict emission regulations. It is essential to ensure that any modifications comply with local laws and regulations.

The Mazda RX7 89-91 FC/FC3S N370-13-450B S5 Turbo Exhaust Manifold is an excellent upgrade for those looking to enhance the performance of their Mazda RX7. It offers increased power, improved durability, and an exhilarating exhaust note. However, it comes with some drawbacks, including the complexity of the installation process, the higher cost, and the potential impact on emissions. Ultimately, the decision to install this exhaust manifold depends on your priorities, budget, and local regulations.

If you are an experienced Mazda RX7 owner looking for a significant power increase, the N370-13-450B S5 Turbo Exhaust Manifold is an excellent choice. However, if you are new to the world of high-performance modifications or are on a tight budget, it may be worth considering alternative performance upgrades or waiting until you have gained more experience before attempting this installation. Always ensure that any modifications comply with local laws and regulations.

part # n37013450b prices

• $32.99-$199.00

specifications maniheader:

• for models: S5, Turbo
• for makes: Mazda
• mounting style: Bolt-on
• items included: Manifold To Turbo Gasket
• color: Unpainted
• manufacturer part number: N370-13-450B
• cylinder head type: Oval Port Standard
• material: Steel
• vintage part: Yes
• materials sourced from: Japan
• placement on vehicle: Engine
• type: Exhaust Manifold
• universal fitment: No

shipping maniheader:

• transit: 5-11 Days
• cost: $0.00
• carrier: USPS
• type: Calculated
• class: Standard
• service: USPS Ground Advantage

seller maniheader:

• rating: 100.0%
• # reviews: 15

returns maniheader:

• policy: No Returns

payments maniheader:

• wallet: Apple-pay
• other
• credit card: Diners-club

offer maniheader:

• started: November 30, 2025
• quantity: 1
• availability: In Stock
• sold: 0
• best offers: True
• options: Ship-to-home

general maniheader:

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

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