Bull Boost Performance B-Series Ramhorn 4-1 Header for B16/B18/B20 Honda & Acura Applications

Bull Boost Performance B-Series Ramhorn 4-1 Header for B16/B18/B20 Honda & Acura Applications

Part Number: 723098229183

Designed for serious naturally aspirated performance, the Bull Boost Performance B-Series Ramhorn 4-1 Header features a true 4-1 merge collector design engineered to maximize exhaust flow and deliver outstanding peak horsepower gains. Constructed from premium 304 stainless steel and hand TIG welded for strength and durability, this header is an excellent upgrade for high-performance B-Series builds.

The Ramhorn design promotes equal exhaust flow from each cylinder while the true 2.5-inch collector outlet reduces restriction and improves scavenging. Featuring CNC-machined flanges and a two-piece V-band design, this header offers excellent fitment, durability, and ease of installation.

Features:

• Manufactured by Bull Boost Performance
• True 4-1 Ramhorn header design
• Premium 304 brushed stainless steel construction
• Hand TIG welded for strength and durability
• True 2.5-inch inside diameter collector outlet
• CNC-machined manifold flanges
• Two-piece design with V-band flanges and clamp
• 18-gauge 304 stainless steel tubing
• Includes OEM-spec header gasket
• Includes OEM-spec donut gasket
• Compatible with factory A/C and power steering systems
• Designed for 1.8L to 2.0L B-Series engine applications

Benefits:

• Increased peak horsepower and torque
• Improved exhaust scavenging and flow efficiency
• Reduced exhaust restriction
• Durable stainless steel construction for long service life
• Excellent choice for naturally aspirated performance builds

Vehicle Fitment:

• Honda Civic EG (1992-1995) B-Series Swap
• Honda Civic EK (1996-2000) B-Series Swap
• Acura Integra DC2 (1994-2001)
• Honda and Acura vehicles equipped with B16, B18, or B20 engines

Important Notes:

• Recommended for 1.8L-2.0L engine displacements
• Half-core radiator is recommended for proper clearance
• Full-size radiators may require relocating the fan or using slim fans
• A/C lines may require rerouting for proper clearance
• Professional installation is highly recommended
• Verify vehicle and engine compatibility before purchasing

RPM Racing offers professional installation services and a wide selection of performance parts to help complete your build.

All warranties, claims, and product-related issues must be handled directly through BULL BOOST PERFORMANCE.