PLM Power Driven V2 B-series "Bisi" header features a true 4-1 merge to create equal exhaust flow. This header delivers the best peak horsepower gains while utilizing a 2 piece design. This is ideal for all forms of competition; Autocross, Drag racing and road racing.
PLM recommends using their 2.75" extension pipe for an easier installation of this header.Designed for 1.8L-2.0L engine displacement.
- Known as the 'Bisi' 4-1 header
- Made from 18-gauge 304 brushed stainless steel
- True 2.65" inch collector
- Hand TIG welded
- A/C and P/S compatible
- CNC-ed machined manifold flange
- Measure at .049" to .050"
- One year warranty
- OEM spec header gasket
- OEM spec donut gasket
- Two piece design
- Half core radiator must be used