MITSUBISHI 1555A425 Exhaust Manifold

( Part Type: Exhaust Manifold ), ( Manufacturer Part Number: 1555A425 ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 2006 2007 2008 2009 2010 2011 2012 ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review MITSUBISHI Genuine Exhaust Manifold fits ECLIPSE 2006–2012

Mitsubishi 1555A425 Exhaust Manifold - A High-Performing Component for Your Mitsubishi Engine

The Mitsubishi 1555A425 Exhaust Manifold is a crucial engine component designed to optimize exhaust gas flow from your Mitsubishi engine. This manifold is meticulously engineered and manufactured to meet the highest standards of performance and durability.

This exhaust manifold is made primarily from cast iron, which is known for its strength, durability, and excellent heat dissipation properties. The casting process ensures a precise and uniform shape, ensuring a proper seal and optimal gas flow. The manifold features a 4-into-1 design, which consolidates the exhaust gases from four cylinders into a single pipe before they enter the catalytic converter. This design promotes more efficient scavenging, improving engine performance and fuel efficiency.

The 1555A425 Exhaust Manifold from Mitsubishi is a direct-fit replacement for the original equipment, ensuring a perfect fit and easy installation. The gasket surfaces are engineered to provide a leak-free seal, minimizing exhaust gas leaks and maintaining optimal engine performance. The manifold also features welded exhaust studs, which provide a strong connection between the manifold and the exhaust system.

The exhaust manifold's design also incorporates advanced technologies to improve engine performance and longevity. It features a reinforced gasket area, which adds extra strength to the manifold and helps prevent gasket failure. Additionally, the manifold is designed to withstand the high temperatures generated during engine operation, ensuring reliable and consistent performance over time.

In summary, the Mitsubishi 1555A425 Exhaust Manifold is a high-quality, performance-enhancing component for your Mitsubishi engine. Its precise engineering, durable construction, and advanced technologies make it an excellent choice for those seeking optimal engine performance and longevity.

Mitsubishi 1555A425 Exhaust Manifold: A Detailed Analysis

The Mitsubishi 1555A425 exhaust manifold is a popular aftermarket upgrade for those seeking improved engine performance. In this analysis, we will discuss the key features, advantages, and disadvantages of this exhaust manifold to help you make an informed decision.

The Mitsubishi 1555A425 exhaust manifold is a high-performance cast iron unit designed for use with the 4G63 engine. It features a 4-1 design, which is a significant upgrade from the stock 4-2 design. This design helps to reduce exhaust gas flow turbulence, leading to better scavenging and increased power output.

a. Power Gain: The 4-1 design of the Mitsubishi 1555A425 exhaust manifold helps to maximize exhaust gas flow, resulting in increased power output. Depending on the specific engine and tuning, power gains of up to 10 horsepower are possible.

b. Improved Throttle Response: By reducing exhaust gas flow turbulence, the Mitsubishi 1555A425 exhaust manifold helps to improve throttle response, making the engine feel more responsive and lively.

c. Durability: Cast iron construction ensures superior durability and resistance to heat, making it a reliable and long-lasting upgrade.

a. Cost: The Mitsubishi 1555A425 exhaust manifold is a more expensive upgrade compared to the stock manifold. However, the power gains and improved throttle response may justify the additional cost for some enthusiasts.

b. Installation Complexity: Installing the Mitsubishi 1555A425 exhaust manifold requires some mechanical skill and experience. It is not a trivial installation process and may require the assistance of a professional mechanic.

c. Weight: The cast iron construction of the Mitsubishi 1555A425 exhaust manifold adds weight to the vehicle, which may negatively affect fuel economy and handling.

The Mitsubishi 1555A425 exhaust manifold is a high-performance upgrade for those seeking increased power output and improved throttle response from their 4G63 engine. While it comes with a higher cost and installation complexity compared to the stock manifold, the advantages it offers may justify the investment for performance enthusiasts.

If you are looking for a significant power gain and improved throttle response from your 4G63 engine, the Mitsubishi 1555A425 exhaust manifold is a worthwhile investment. However, consider your budget, mechanical skills, and priorities before making the purchase. If you are on a tight budget or prefer a simpler upgrade, there are other, more affordable exhaust manifold options available.

part # 1555a425 prices

• $492.61-$814.99

specifications maniheader:

• for models: Eclipse
• for makes: Mitsubishi
• for years: 2006-2012
• part type: Exhaust Manifold
• manufacturer part number: 1555A425
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 2006 2007 2008 2009 2010 2011 2012
• parts included: Only Part Reference 0 On The Diagram Is Included

returns maniheader:

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

seller maniheader:

• # reviews: 1184
• rating: 99.7%

payments maniheader:

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

general maniheader:

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

offer maniheader:

• started: March 10, 2026
• sold: 0
• quantity: 4
• availability: In Stock
• options: Ship-to-home

shipping maniheader:

• transit: 3-8 Days
• class: Standard
• type: Fixed
• cost: $33.72
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx

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