SPDZ1 RF V3 B Series Swap Big Tube Style 4-1 Header B16 B18 B20 EG EK DC2
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
SKU: SZY-040
SPDZ1 RF V3 Big Tube 4-1 B-Series Swap Header – B16 / B18 / B20 – Fits EG, EK, DC2 & Chassis-Swapped Vehicles
Serious flow. Serious gains. Serious quality.
The SPDZ1 RF V3 Big Tube 4-1 Header is engineered for performance-driven Honda enthusiasts running a B-Series engine swap. Designed to outperform stock manifolds and cheaply made alternatives, this header unleashes real horsepower, offers clearance for A/C and power steering, and fits like a glove in your EG, EK, or DC2 chassis.
Whether you’re building a street sleeper or a track weapon, the SPDZ1 RF V3 brings race-inspired flow, premium build quality, and unmatched reliability — all backed by better flanges, stronger hardware, and superior packaging for peace of mind from checkout to install.
Key Features:
- True 4-1 Big Tube Design: Built for mid-to-high RPM power, offering +10 WHP gains even on stock GSR motors — more with tuning and bolt-ons.
- Full A/C & Power Steering Clearance: No compromises — run full accessories with zero interference.
- 18-Gauge 304 Stainless Steel: TIG welded, corrosion-resistant, and built to withstand daily driving or track abuse.
- Thick CNC Machined Flanges: Heavy-duty flanges machined to spec and thicker than competitors for a warp-resistant seal.
- True 2.5” Collector: For maximum exhaust flow and seamless integration with aftermarket exhaust systems.
- Complete Hardware & Gasket Kit: Comes with everything you need for a clean, hassle-free install.
- Protective Premium Packaging: Shipped in reinforced, custom-fit packaging to prevent shipping damage and ensure your product arrives flawless.
Vehicle Fitment:
- 1992–2000 Honda Civic (EG / EK w/ B-Series Swap)
- 1994–2001 Acura Integra (DC2)
- Pre-1965 Chassis w/ B-Series Swap
Why SPDZ1?
SPDZ1 performance headers are built with track-tested precision and enthusiast-driven engineering. We don’t cut corners — we raise the bar. When quality, fitment, and performance matter, SPDZ1 delivers.
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Our History
For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.