MR GASKET 6457 Exhaust Manifold Header Block 68-89SMALL

( Brand: Mr Gasket ), ( Type: Exhaust Gasket ), ( Manufacturer Part Number: 6457 )

Review MR GASKET Exhaust Manifold Header 68-89small Block Mopar Chrysler Dodge fits 318 340 360

The MR Gaskets 6457 Exhaust Manifold Header is a high-performance solution specifically designed for small block Mopar engines from Chrysler, Dodge, and Plymouth, powered by 318, 340, or 360 cubic inch engines, produced between 1968 and 1989. This product is an essential upgrade for enthusiasts seeking improved engine performance and efficiency.

This header is engineered to offer superior power gains and better fuel efficiency, as it provides better flowing exhaust gases with shorter and larger primary tubes. Each tubular header is produced from premium quality stainless steel which guarantees excellent durability, resists corrosion, and endures extreme temperatures.

The MR Gaskets 6457 Header offers increased performance by optimized exhaust gas flow and reduced backpressure, improving engine breathing and combustion efficiency. Furthermore, the evenly distributed exhaust gases provide better engine responsiveness and a more complete combustion cycle, translating to enhanced power output and increased torque.

Installation of the header involves removing the factory exhaust manifolds and bolting on the new header using the provided gaskets. The header bolts to the engine using original factory bolts, while a separate exhaust collector connects it to the tailpipe or exhaust system. Properly installed, this header delivers a clearance height of approximately 2 inches and a clearance diameter of 2 inches at the collector merge point for optimal compatibility with most mufflers and exhaust systems.

Each MR Gaskets 6457 header is precisely engineered and manufactured to meet the OEM specification requirements, ensuring an accurate and perfect fitment for the intended applications. Adhering to the strict quality standards, this header is supplied with all necessary hardware, including headers bolts and gaskets, for an easy, seamless installation.

Upgrading to the MR Gaskets 6457 exhaust manifold header never fails to make an instant impact on the performance of your Mopar engine, delivering significant power gains and improved fuel efficiency. Regardless of whether you race competitively or cruise casually, this header Cat Muffler Replacement is an excellent investment for those seeking to extract the true potential from their small block Mopar and elevate their driving experience.

Pros and Cons of Buying MR Gasket 6457 Exhaust Manifold Header for Small Block Mopar Chrysler Dodge 318, 340, 360 Engines

The MR Gasket 6457 Exhaust Manifold Header is a performance aftermarket part designed for small block Mopar Chrysler Dodge engines, including those with 318, 340, and 360 cubic inch displacement. While this part is known for its potential benefits in terms of power gain and better exhaust flow, it is essential to consider both pros and cons before making a purchase.

1. Improved Air Flow: The header's design focuses on optimizing exhaust gas flow, reducing the amount of back pressure and increasing exhaust velocity. This results in higher engine vacuum and improved engine breathing, contributing to additional horsepower gains.

2. Enhanced Engine Performance: Richer exhaust gases exiting the engine freshen up the air-fuel mixture, potentially leading to better combustion efficiency.

3. Durability: This header is made from strong materials engineered to handle high temperatures and resist warping and failure, improving engine longevity.

4. Compatibility: As this part is specifically designed for the small block Mopar engines, installation is typically straightforward with minimal modifications required, making it a popular choice for engine builders and performance enthusiasts.

1. Cost: The MR Gasket 6457 Exhaust Manifold Header is an aftermarket performance part, so it does come with a higher price tag compared to stock exhaust components.

2. Installation Complexity: The header install process can be intricate, requiring a fair amount of bodily reconfiguration and welding to ensure a proper fit and optimal performance.

3. Catalytic Converter: In most cases, this header does not come with a catalytic converter, meaning you'll need to obtain an additional aftermarket converter or plan for a complex custom solution to clear emissions tests.

The MR Gasket 6457 Exhaust Manifold Header holds significant promise for enhancing small block Mopar engines' output and exhaust flow, delivering more horsepower and torque while improving overall engine performance. After careful consideration, this header would be an excellent addition to any commitment to engine improvement projects with a desire for both power and true exhaust manifold flow enhancement.

If you are working on a small block Mopar engine project and seeking significant power boosts and exhaust optimization, investing in the MR Gasket 6457 Exhaust Manifold Header is a recommended choice. However, weigh the pros and cons carefully, considering factors such as budget and the complexity of the installation process before making the purchase.

part # 6457 price

• $9.27

specifications gasketdug:

• for models: 318, 340, 360
• for makes: Mopar, Chrysler, Dodge
• brand: Mr Gasket
• type: Exhaust Gasket
• manufacturer part number: 6457

seller Gasketdug:

• rating: 99.1%
• # reviews: 575

general Gasketdug:

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

returns Gasketdug:

• policy: No Returns

shipping Gasketdug:

• service: USPS First Class, USPS Ground Advantage, USPS Priority Mail
• transit: 5-12 Days
• carrier: USPS
• type: Calculated
• class: Standard, Expedited
• cost: $9.20

payments Gasketdug:

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

offer Gasketdug:

• sold: 0
• options: Ship-to-home
• started: January 3, 2025
• quantity: 1
• availability: In Stock

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