B-Series Headers

Here at Private Label MFG, we’re the leading supplier of high-performance Honda B-Series headers and a wide range of aftermarket car parts. We specialize in exhaust systems, engine components, suspension upgrades, interior and exterior accessories, and much more. As car enthusiasts ourselves, we’re committed to providing the best parts for your exact make and model, ensuring you get the most out of your vehicle.

Our selection of aftermarket headers is designed to enhance engine performance, giving you the power and efficiency you deserve. With our top-tier customer service, we’re here to assist you every step of the way. 

Precision Engineering for Maximum Performance

Our B-Series headers are built with advanced engineering to provide equal-length primary tubes for smoother airflow and better torque distribution. Designed with patterned flanges and premium welds, these headers minimize exhaust turbulence and maximize horsepower.

Options like the 4-2-1 configuration and collector upgrades ensure optimal gains across the powerband. Whether you're installing a dyno-proven Megapower header or an Alpha Series header, expect performance tailored to your driving style.

Quality Materials and Hassle-Free Installation

Crafted from high-grade stainless steel, our B-Series headers resist heat and corrosion while ensuring long-term durability. Each header is precision-cut and comes with essential hardware, including a donut gasket, ensuring leak-free performance.

These headers are built for a seamless fit, making them accessible to DIY installers. Bolt them on, pair them with a free-flowing exhaust, and enjoy noticeable gains in efficiency and response.

Find the Right B-Series Header for Your Build

At Private Label MFG, we are proud to announce our wide selection of B-Series headers, including the popular 4-2-1 and race-spec designs. Whether you’re upgrading a daily driver or a dedicated track car, we have a header to match your needs.

Browse our collection at an affordable price, and take advantage of exclusive deals. When you purchase with us, you invest in quality, performance, and reliability.

If you have any questions about our B-Series headers or other products, give us a call at 650-243-3032. Let us help you find the perfect part and get your car back on the road, performing at its best.

Frequently Asked Questions

What are B-Series headers?

B-Series headers are aftermarket exhaust manifolds designed specifically for Honda B-Series engines to improve exhaust flow and overall engine performance.

Do B-Series headers require a tune?

A tune is not always necessary, but it helps maximize performance gains, especially when combined with other modifications.

Do B-Series headers make my exhaust louder?

Yes, they can slightly increase the exhaust note, creating a deeper and more aggressive sound.

How do I confirm which header will fit my specific vehicle and B-series engine combination?

To ensure perfect fitment for your specific vehicle and B-series engine combination, we strongly recommend checking the detailed product description on our website. Each of our header listings clearly specifies the exact vehicle chassis codes (e.g., EG, EK, DC2) and B-series engine codes (e.g., B16A, B18C, B20VTEC) that the header is designed for. It's crucial to verify your vehicle's year, make, model, and engine code against these specifications. While our headers are designed for optimal fitment with factory engine mounts and subframes, please note that aftermarket engine mounts or significant chassis modifications may alter fitment and should be considered. If you have an engine swap or a highly modified setup, we advise contacting our support team with your specific details for further assistance.

What is the performance difference between a 4-1 and a 4-2-1 (Tri-Y) header design?

The primary difference between a 4-1 and a 4-2-1 (Tri-Y) header design lies in their power delivery characteristics. A 4-1 header features four primary runners that merge directly into a single collector. This design typically excels at maximizing peak horsepower in the higher RPM range, making it a popular choice for track-focused vehicles or engines that spend most of their time at wide-open throttle. In contrast, a 4-2-1 (Tri-Y) header design merges the four primary runners into two secondary runners, which then merge into a single collector. This design is engineered to optimize exhaust scavenging across a broader RPM range, resulting in a significant increase in mid-range torque and a more linear power band. For street-driven vehicles or those seeking improved responsiveness and acceleration in everyday driving, the 4-2-1 design often provides a more noticeable and enjoyable performance gain. Your choice should align with your driving style and performance goals.

Are your headers designed to clear factory components like air conditioning and power steering?

Yes, our headers are meticulously designed with factory component clearance in mind. We understand the importance of maintaining your vehicle's essential accessories. Therefore, the vast majority of our headers are engineered to clear factory air conditioning compressors, power steering pumps, and other OEM components without interference. However, it's important to note that in some highly specific or modified applications, such as certain engine swaps, aftermarket engine mounts that alter engine position, or non-OEM accessory setups, minor adjustments or specific header models might be required. We always recommend reviewing the product description for any specific notes regarding clearance, and if you have a highly customized setup, feel free to reach out to our team for tailored advice.

What is the collector outlet size, and will it connect directly to a stock catalytic converter?

Our performance headers typically feature a larger collector outlet size, commonly 2.5 inches or 3 inches, depending on the specific model and intended application. This larger diameter is crucial for maximizing exhaust flow and unlocking the full performance potential of your engine. Due to this increased size, our headers are generally *not* designed to connect directly to a stock catalytic converter or a factory exhaust system, as stock components usually have a smaller diameter. To ensure proper fitment and optimal performance, you will typically need an aftermarket test pipe, a high-flow catalytic converter, or a full aftermarket exhaust system that is designed to match the larger collector outlet size of our headers. We always recommend checking the specific collector outlet diameter listed in the product description to ensure compatibility with your chosen exhaust components.