K-Series K20 K24 4-1 Tri-Y Megaphone Exhaust Header – 3" Outlet | Fits Honda Civic EK EG & Integra DC

⚠️ Note: This item cannot be shipped to California.

Upgrade your K-Swapped Honda or Acura with this high-performance K-Series K20 / K24 4-1 Tri-Y Megaphone Exhaust Header. Engineered for maximum flow, ground clearance, and power gains — a perfect bolt-on upgrade for EG, EK, and DC chassis builds.

Fitment

Designed exclusively for Honda / Acura K-Series Engine Swap vehicles:

• Honda Civic EG
• Honda Civic EK
• Acura Integra DC2

For K-Series swapped vehicles ONLY.

Key Features

• ✅ CNC machined flange — 3/8" thick for precision fit and durability
• ✅ Long tube 4-1 design for maximum power across the RPM range
• ✅ High-flow Tri-Y merge collector for improved torque and throttle response
• ✅ Ported primary flange for unrestricted exhaust flow
• ✅ Offset primary collector design for maximum ground clearance
• ✅ Megaphone design to increase torque and horsepower
• ✅ True 3" V-band collector for high-flow exhaust exit
• ✅ Comes complete with header gasket, exhaust donut gasket, and connecting springs
• ✅ Easy, hassle-free installation