1. Manifolds & Headers Offered
  2. sku: 8810906206724632
  3. RPC R9963

RPC R9963 Racing Power Block Hugger Headers 55-UP

fits model: Sb, Street. make: Chevy.

R9963 Rpc Racing Power Company Black Sb 55-up Chevy Block Hugger Street Headers

( Brand: Rpc ), ( Type: Exhaust Header ), ( Color: Black ), ( Manufacturer Part Number: R9963 ), ( Material: Steel )

Review RPC Racing Power Company Black 55-up Chevy Block Hugger Headers fits STREET SB

Introducing the RPC R9963 Racing Power SB 55-UP Chevy Block Hugger Street Headers, a high-performance exhaust system designed specifically for Chevrolet engines. These headers are an excellent choice for those seeking maximum power and torque gain, as well as a distinctive and aggressive exhaust note.

The RPC R9963 headers are constructed from premium 321 stainless steel, ensuring durability and resistance to corrosion. The block hugger design of these headers allows for a closer fit to the engine block, reducing the exhaust system's overall length and weight. This design also helps to clear various engine components, making it an ideal choice for vehicles with limited space under the engine.

These headers feature a 55-degree primary tube angle, which provides optimal exhaust gas flow for superior power and torque. The collectors are designed to be 5-bolt flanged, making them compatible with a wide range of Chevrolet engines, including those with 55-up block designs.

The RPC R9963 headers come with 1 3/4-inch primaries and 3-inch collectors, ensuring a smooth and efficient exhaust flow. They also include 18-degree exhaust port angles, which provide optimal gas flow and scavenging for maximum power gains.

The Racing Power SB series headers have a polished finish, which not only looks great but also helps to protect the headers from the elements. These headers are also CNC-machined for precision and accuracy, ensuring a perfect fit and optimal performance.

Installing these headers is a breeze, thanks to their bolt-on design and included hardware. The headers come with gaskets and hardware, making for a straightforward and hassle-free installation process.

In summary, the RPC R9963 Racing Power SB 55-UP Chevy Block Hugger Street Headers are a high-performance exhaust system designed for Chevrolet engines. They offer maximum power and torque gains, a distinctive exhaust note, and a polished finish. The block hugger design allows for a close fit to the engine block, and they come with 18-degree exhaust port angles and 1 3/4-inch primaries and 3-inch collectors. Installation is straightforward, and they are compatible with 55-up block Chevrolet engines.

RPC R9963 Racing Power SB 55-up Chevy Block Hugger Street Headers are aftermarket exhaust headers designed to replace the stock headers on various Chevy engines. These headers are known for their high-performance design and ability to improve engine power and efficiency. Here are some pros and cons to consider before making a purchase:

Pros:

1. Increased Performance: The primary reason for buying RPC R9963 Racing Power SB 55-up Chevy Block Hugger Street Headers is to improve engine performance. These headers are designed to reduce exhaust gas flow restrictions, allowing for better exhaust gases scavenging and increased air-fuel mixture in the cylinders.

2. Enhanced Power and Torque: The improved exhaust flow can lead to increased power and torque throughout the RPM range, making your Chevy engine more responsive and powerful.

3. Improved Engine Efficiency: By reducing the length and weight of the exhaust system, these headers can help improve engine efficiency, leading to better fuel economy and reduced emissions.

4. Customizable: These headers are available in various sizes and configurations to fit different Chevy engines, ensuring a perfect fit for your specific application.

5. Durable: RPC Racing headers are made from high-quality materials, including stainless steel, and are designed to withstand the rigors of high-performance driving.

Cons:

1. Cost: Aftermarket headers like the RPC R9963 Racing Power SB 55-up Chevy Block Hugger Street Headers can be expensive compared to stock headers. The cost may be a deterrent for some buyers.

2. Installation Complexity: Installing aftermarket headers can be a challenging task, especially for those without experience in engine work. The process may require specialized tools and knowledge, leading to additional time and cost.

3. Potential for Increased Noise: Aftermarket headers can produce a louder exhaust note than stock headers, which some people may find unpleasant.

4. Potential for Check Engine Light: Installing aftermarket headers can potentially trigger the check engine light due to changes in exhaust gas flow and oxygen sensor readings. It's essential to use compatible oxygen sensors and ensure proper installation to avoid this issue.

Conclusion:

RPC R9963 Racing Power SB 55-up Chevy Block Hugger Street Headers offer several advantages for those looking to improve the performance of their Chevy engine. The increased power, torque, and efficiency make these headers an attractive option for high-performance enthusiasts. However, the cost, installation complexity, potential for increased noise, and check engine light concerns are important factors to consider before making a purchase.

Recommendation:

If you're serious about improving engine performance and are willing to invest in high-quality aftermarket headers, the RPC R9963 Racing Power SB 55-up Chevy Block Hugger Street Headers are an excellent choice. Ensure you have the necessary knowledge, tools, and experience to install them correctly or consider hiring a professional to do the job. Additionally, be prepared for potential additional costs, such as oxygen sensors and exhaust system modifications, to ensure proper functionality and compatibility with your Chevy engine.

part # r9963 prices

  • $169.97-$308.13

specifications maniheader:

  • for models: Sb, Street
  • for makes: Chevy
  • brand: Rpc
  • type: Exhaust Header
  • color: Black
  • manufacturer part number: R9963
  • material: Steel

returns maniheader:

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

shipping maniheader:

  • service: Standard
  • transit: 3-5 Days
  • class: Standard
  • type: Fixed
  • cost: $0.00

general maniheader:

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

offer maniheader:

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

seller maniheader:

  • rating: 99.8%
  • # reviews: 45766

payments maniheader:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club
for models: sb, street, for makes: chevy, type: exhaust header,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: black, material: steel, sku: 8810906206724632,

Rpc R9963 Is Similar To:

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5 offers $169.97–$308.13 USD
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