RMF Version 2 header features a true 4-1 merge collector, with a megaphone to create equal exhaust flow & delivers the best peak horsepower gains while utilizing a 1-piece design.
- 304 brushed stainless steel
- True 2.5 inch collector
- Megaphone with reverse cone
- Hand TIG welded
- A/C and P/S compatible (slim fans required)
- CNC machined manifold flange
- One year warranty
- 18 gauge, 304 stainless steel
- Includes OEM spec header gasket
- Includes OEM spec donut gasket
- One piece design
- Includes skid plate
- Half core radiator must be used
- Recommended for 1.8L-2.0L engine displacements
Fits all B-Series motor in 94-01 Acura Integra, 99-00 Honda Civic Si DOHC, and Delsol with the DOHC motor except B20 CR-V block unless you have a different oil pan. *This is a 2.5" Collector, you will need a 2.5" inlet exhaust or a High Flow Cat that accepts this 2.5" Manifold.