We researched and compared the top B series headers available on Amazon, evaluating manufacturer specs, industry standards, and aggregated owner feedback. Our guide covers seven real products, highlighting their strengths and weaknesses to help you choose the best header for your B16, B18, or B20 engine. Whether you prioritize peak horsepower, daily drivability, or budget, we have a pick for you.
| Photo | Product | Score | Buy |
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Skunk2 Racing Alpha Header Best Overall Performance 4-2-1 design, stainless steel, 2.5 inch collector |
9.2 | 🛒 Check Price |
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PLM Race Header Best Budget Race Header 4-1 design, mild steel, 2.5 inch collector |
8.4 | 🛒 Check Price |
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Blox Racing B Series Header Best Stainless Steel Value 4-2-1 design, T304 stainless steel, 2.5 inch collector |
8.7 | 🛒 Check Price |
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DC Sports Ceramic Header Best Ceramic Coated Header 4-2-1 design, mild steel with ceramic coating, 2.25 inch collector |
8.1 | 🛒 Check Price |
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Megan Racing Header Best Budget Stainless Steel 4-1 design, T304 stainless steel, 2.5 inch collector |
7.8 | 🛒 Check Price |
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ISR Performance Header Best for Turbo Applications 4-1 design, mild steel, 2.5 inch collector, turbo flange |
7.3 | 🛒 Check Price |
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Greddy Header B Series Best Premium Stainless Steel 4-2-1 design, T304 stainless steel, 2.5 inch collector, polished finish |
8.9 | 🛒 Check Price |
1. Skunk2 Racing Alpha Header: Best Overall Performance
In our evaluation of B series headers, the Skunk2 Racing Alpha Header stands out as a top performer. Based on owner feedback and the spec sheets, its 4-2-1 design provides strong mid-range torque without sacrificing top-end power, making it ideal for both street and track use. The T304 stainless steel construction ensures long-term durability, and we found that most users report straightforward installation with included hardware.
However, this header comes at a premium, and budget-conscious buyers may need to look elsewhere. Also, some owners with lowered cars have noted ground clearance issues due to the collector design. We recommend this header for enthusiasts seeking proven performance gains and are willing to invest in quality.
- Proven 4-2-1 design for broad power band
- T304 stainless steel construction resists corrosion
- Includes all necessary hardware and gaskets
Pros: Excellent mid-range torque gains; High-quality welds and fitment
Cons: Premium price point
2. PLM Race Header: Best Budget Race Header
The PLM Race Header offers an affordable entry into high-performance exhaust. We compared its 4-1 design against similar budget headers and found it delivers strong top-end power gains, especially on naturally aspirated builds. Owner feedback highlights that it bolts on easily with no major modifications required, making it a popular choice for DIY enthusiasts.
However, the mild steel construction is a notable weakness; in our research, several owners reported rust after a few years in wet climates. We suggest this header for those on a tight budget or building a dedicated track car where longevity is less critical. If you drive daily in salt or rain, consider a stainless steel alternative.
- 4-1 race design for top-end power
- Mild steel with high-temp coating
- Direct bolt-on for most B series engines
Pros: Great value for the price; Noticeable top-end horsepower gains
Cons: Mild steel prone to rust over time
3. Blox Racing B Series Header: Best Stainless Steel Value
Blox Racing’s B Series Header delivers a compelling mix of performance and durability at a moderate price. Based on manufacturer specs and owner reviews, the T304 stainless steel construction offers excellent corrosion resistance, and the 4-2-1 design provides a noticeable improvement in both low-end torque and top-end power. We found that most users appreciate the straightforward installation and included gaskets.
That said, we noted occasional fitment complaints when used with certain aftermarket motor mounts; the header may require slight clearancing. This header is a strong choice for street-driven cars where rust is a concern, but those with heavily modified engine swaps should double-check compatibility.
- T304 stainless steel for corrosion resistance
- 4-2-1 design balances torque and horsepower
- Includes gaskets and hardware
Pros: Strong build quality for the price; Good all-around performance
Cons: Some reports of fitment issues with aftermarket motor mounts
4. DC Sports Ceramic Header: Best Ceramic Coated Header
DC Sports is a well-known name in Honda performance, and their Ceramic Header offers a solid upgrade for B series engines. In our research, the ceramic coating effectively lowers under-hood temperatures, which can benefit intake temperatures and overall reliability. The 4-2-1 design provides a nice bump in mid-range torque, making it a good match for street-driven cars.
However, the 2.25-inch collector is smaller than some competitors, which could restrict top-end power on heavily modified engines. We recommend this header for mild to moderate builds where heat reduction is a priority. For high-horsepower setups, a larger collector header may be more suitable.
- Ceramic coating reduces under-hood temperatures
- 4-2-1 design for improved torque
- Direct fit for B16, B18, B20 engines
Pros: Effective heat management; Decent power gains across the rev range
Cons: Smaller collector may limit top-end on high-HP builds
5. Megan Racing Header: Best Budget Stainless Steel
Megan Racing offers one of the most affordable stainless steel headers for B series engines. We compared it against similarly priced options, and its 4-1 design delivers respectable top-end gains, especially for track-focused builds. The T304 stainless steel is a plus at this price point, providing better corrosion resistance than mild steel.
However, owner feedback indicates that fitment is not always perfect; some users needed to loosen and reposition the header to avoid contact with the oil pan or subframe. We recommend this header for budget-minded enthusiasts who don’t mind a bit of tweaking during installation. For a hassle-free bolt-on, consider spending a bit more.
- Affordable stainless steel option
- 4-1 race design for top-end power
- Lightweight construction
Pros: Very affordable for stainless steel; Noticeable power gains above 5000 RPM
Cons: Fitment can be tight; may require adjustment
6. ISR Performance Header: Best for Turbo Applications
ISR Performance offers a header tailored for B series turbo builds. According to the manufacturer, its 4-1 design and included turbo flange make it a convenient choice for those planning forced induction. We found that owner feedback is mixed; some praise the low price and ease of mounting a turbo, while others note that the mild steel construction rusts quickly if not coated.
This header is not recommended for naturally aspirated setups, as its design prioritizes turbo spool over broad power. We suggest it only for budget turbo projects where rust is acceptable. For a more durable turbo manifold, consider a stainless steel or coated option.
- Designed for turbocharged setups
- Mild steel with black paint coating
- Includes turbo flange and hardware
Pros: Specifically designed for turbo applications; Affordable option for turbo builds
Cons: Mild steel prone to rust; Not ideal for naturally aspirated engines
7. Greddy Header B Series: Best Premium Stainless Steel
Greddy’s B Series Header represents the premium end of the market. In our evaluation, its T304 stainless steel construction and polished finish are top-notch, and the 4-2-1 design provides a smooth power delivery from low to high RPM. Owner feedback consistently praises the perfect fitment and noticeable performance improvement.
The major downside is the high price, which may not be justifiable for all budgets. We recommend this header for purists who want the best possible quality and are willing to pay a premium. For those on a tighter budget, the Skunk2 Alpha offers similar performance at a lower cost.
- High-quality polished stainless steel
- 4-2-1 design for excellent power curve
- Precision fitment with no modifications needed
Pros: Superb build quality and finish; Great overall performance gains
Cons: Very expensive
Frequently Asked Questions
What is the difference between 4-1 and 4-2-1 headers?
4-1 headers merge all four primary tubes into one collector, which favors top-end horsepower at the expense of low-end torque. 4-2-1 headers pair cylinders into two intermediate tubes before merging, improving mid-range torque and a broader power band. For street driving, 4-2-1 is often preferred; for track use, 4-1 may be better.
Will a B series header fit all B engines?
Most B series headers are designed for B16, B18, and B20 engines in Honda Civic, Integra, and CR-V. However, variations in chassis and engine bay layout can affect fitment. Always check the product description for compatibility with your specific vehicle and engine model.
Do I need a tune after installing a header?
While a header can be bolted on without tuning, a proper tune (e.g., using a Hondata or KPro) will optimize air-fuel ratios and ignition timing to maximize power gains and prevent engine knock. We recommend tuning for best results, especially with a 4-1 race header.
Are ceramic coated headers worth the extra cost?
Ceramic coating reduces under-hood temperatures, which can improve intake air density and protect surrounding components. It also provides some corrosion resistance. For street-driven cars in hot climates or with tight engine bays, the extra cost can be worthwhile.
How do I prevent exhaust leaks with a new header?
Use new OEM or high-quality aftermarket gaskets at the cylinder head and collector connections. Apply anti-seize to bolts and tighten to manufacturer torque specs. Check for warped flanges before installation; if the header is not flat, it may leak.
Our Verdict
After researching and comparing the top B series headers, our top pick is the Skunk2 Racing Alpha Header for its excellent power gains, build quality, and broad appeal. For those seeking a more budget-friendly option, the Blox Racing B Series Header offers great value with stainless steel durability. Choose based on your performance goals and budget.
