Product Information
Gravity Performance manifolds are designed to be direct replacements for OEM manifolds, ensuring smooth installation every time. Our manifolds improve the collection of gasses from the cylinder heads, before routing them through them to the rest of the system.
- Manufactured from highest quality T304 grade stainless steel
- Mandrel bent and fully TIG welded for strength and durability
- CNC machined flanges for strong, solid support and an accurate fit
- 4-1 design for maximum gains at the top end of the rev range
- Direct replacement – both gaskets included
Fitments
- BMW 1 Series E81 & E87 118i & 120i 2.0l 2004-2007 models
- BMW 3 Series Saloon E90 318i & 320i 2.0l 2005-2007 models
- BMW 3 Series Touring E91 318i & 320i 2.0l 2005-2007 models
Please note – This manifold is only suitable for the N46B20 engine
| Weight | 4.7 kg |
|---|---|
| Collector Bore (mm) | 50 |
| Branch Bore’s (mm) | 38*33 |
| Sensor Ports | 1 |
| Gaskets | 2 x Gaskets |
