1. Manifolds & Headers Offered
  2. sku: 12695755104834861
  3. OSBUYZONE EH28628-5-OS

OSBUYZONE EH28628-5-OS Steel Exhaust Manifold Header 88-97 5.0L/5.7L V8

fits model: 305, 350. make: Chevy, Gmc.

Eh28628-5-os Osbuyzone For Chevy Gmc 88-97 5.0l/5.7l 305 350 V8 Stainless Steel Exhaust Manifold Header

( Brand: Osbuyzone ), ( Items Included: Gasket, Mounting Hardware ), ( Type: Exhaust Header ), ( Material: Stainless Steel ), ( Color: Metallic ), ( Finish: Polished ), ( Placement On Vehicle: Front ), ( Features: Easy To Replace ), ( Manufacturer Part Number: EH28628-5-OS ), ( Oe/oem Part Number: Not Oem ), ( Performance Part: Yes ), ( Manufacturer Warranty: 6 Months ), ( Oe Spec Or Performance/custom: Performance/custom ), ( Head Flange Thickness: 7/16 ), ( Outlet Flange Thickness: 3/8 ), ( Shape: As Picture Shows ), ( Universal Fitment: No )

Review OSBUYZONE Chevy Gmc 88-97 5.0l/5.7l V8 Stainless Steel Exhaust Manifold Header fits 305 350

The OSBuyZone EH28628-5-OS exhaust manifold header is an exceptional upgrade for Chevy and GMC vehicles equipped with the 5.0L or 5.7L 305 or 350 cubic inch V8 engines, produced between the years 1988 and 1997. This exhaust manifold header is meticulously engineered to replace the original component, enhancing performance and durability.

Crafted from robust steel, this exhaust manifold header is designed to withstand the rigors of daily driving and the demands of high-performance applications. Its robust construction ensures superior heat resistance, preventing warping or melting under extreme conditions. Additionally, the steel material is resistant to corrosion and oxidation, guaranteeing a longer lifespan compared to the factory exhaust manifold.

The OSBuyZone EH28628-5-OS exhaust manifold header features a unique design that facilitates optimal exhaust flow and scavenging. By improving exhaust gas velocity and reducing backpressure, this header enables the engine to breathe more efficiently, leading to increased power and torque. Moreover, it contributes to a smoother, more responsive powerband, providing a noticeable improvement in acceleration and overall engine performance.

This exhaust manifold header is a direct fit for Chevy and GMC models such as the Suburban, Tahoe, Silverado, and Sierra. The installation process is straightforward, requiring no modifications to the engine bay or exhaust system. The header comes complete with all necessary hardware for a seamless installation experience.

By upgrading your vehicle's exhaust manifold header with the OSBuyZone EH28628-5-OS, you'll not only enhance engine performance but also contribute to a more enjoyable driving experience. The improved power and torque translate to quicker acceleration, smoother power delivery, and an invigorating exhaust note. Furthermore, the durability and corrosion resistance of this product ensure peace of mind, knowing that your investment is protected against the elements.

Pros and Cons of Buying OSBuyzone EH28628-5-OS Exhaust Manifold Header for Chevy GMC 88-97 5.0l/5.7l 305 350 V8

The OSBuyzone EH28628-5-OS exhaust manifold header is a popular aftermarket option for Chevy and GMC vehicles with 5.0l/5.7l 305 350 V8 engines, manufactured between 88-97. This component is designed to replace the stock exhaust manifold and improve the vehicle's performance. In this analysis, we will discuss the advantages and disadvantages of purchasing this product.

Pros:

1. Improved Performance: Aftermarket exhaust manifolds like the OSBuyzone EH28628-5-OS are designed to provide better flow and increased power by reducing backpressure within the engine. This results in improved acceleration and overall performance.

2. Enhanced Sound: A high-performance exhaust manifold like this one often produces a more desirable exhaust note. The improved exhaust flow can lead to a more aggressive and pleasing sound.

3. Durability: The OSBuyzone EH28628-5-OS exhaust manifold header is made from steel, which is a robust material known for its durability. This ensures that the component can withstand the rigors of daily driving and lasts longer than the stock component.

4. Easy Installation: The exhaust manifold header comes with all necessary hardware for installation, making it a relatively straightforward process for most DIY enthusiasts.

Cons:

1. Cost: Aftermarket exhaust manifolds can be more expensive than stock components. The OSBuyzone EH28628-5-OS exhaust manifold header is no exception. However, many enthusiasts believe that the performance gains and improved durability are worth the investment.

2. Loud Exhaust Note: Depending on individual preferences, some people may find the increased exhaust note produced by the high-performance exhaust manifold to be excessively loud. This can be mitigated by installing a muffler or exhaust system with built-in noise reduction features.

3. Potential for Increased Emissions: High-performance exhaust manifolds can potentially increase emissions due to their more efficient exhaust flow. This may be a concern for those living in areas with strict emissions regulations.

Conclusion:

The OSBuyzone EH28628-5-OS exhaust manifold header offers several advantages, such as improved performance, enhanced sound, durability, and easy installation. However, it also comes with some disadvantages, including a higher cost, potentially loud exhaust note, and potential for increased emissions. Ultimately, the decision to purchase the OSBuyzone EH28628-5-OS exhaust manifold header depends on an individual's priorities, preferences, and budget. For those seeking improved performance and a more aggressive exhaust note, this component may be an excellent investment. However, for those who prioritize a quieter exhaust system and lower emissions, a stock exhaust manifold may be a better choice.

Recommendation:

If you are looking to enhance the performance and exhaust note of your Chevy or GMC 88-97 5.0l/5.7l 305 350 V8 vehicle, the OSBuyzone EH28628-5-OS exhaust manifold header could be an excellent addition to your upgrade list. It offers several advantages, including improved flow, increased power, and durability. However, it is essential to consider the potential downsides, such as the higher cost, potentially loud exhaust note, and potential for increased emissions, before making your purchase. Ultimately, the decision should be based on your individual priorities and preferences.

specifications maniheader:

  • for models: 305, 350
  • for makes: Chevy, Gmc
  • brand: Osbuyzone
  • items included: Gasket, Mounting Hardware
  • type: Exhaust Header
  • material: Stainless Steel
  • color: Metallic
  • finish: Polished
  • placement on vehicle: Front
  • features: Easy To Replace
  • manufacturer part number: EH28628-5-OS
  • oe/oem part number: Not Oem
  • performance part: Yes
  • manufacturer warranty: 6 Months
  • oe spec or performance/custom: Performance/custom
  • head flange thickness: 7/16
  • outlet flange thickness: 3/8
  • shape: As Picture Shows
  • universal fitment: No

general maniheader:

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

offer maniheader:

  • sold: 0
  • availability: In Stock
  • quantity: 5
  • started: June 8, 2026
  • options: Ship-to-home
  • best offers: True

shipping maniheader:

  • service: Economy
  • class: Economy
  • transit: 3-8 Days
  • cost: $0.00
  • type: Fixed

seller maniheader:

  • rating: 99.4%
  • # reviews: 700

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returns maniheader:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days
for models: 305, 350, for makes: chevy, gmc, items included: gasket, mounting hardware, type: exhaust header, finish: polished, placement on vehicle: front, features: easy to replace, oe/oem part number: not oem, performance part: yes, manufacturer warranty: 6 months, oe spec or performance/custom: performance/custom, head flange thickness: 7/16, outlet flange thickness: 3/8, shape: as picture shows, universal fitment: no,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: metallic, material: stainless steel, sku: 12695755104834861,

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