| Port ID | 1.3" X 1.1" ID |
|---|---|
| Primaries | 1.6" |
| O2 Bung | 1 |
| MPN | 501-2315-4AH |
| Material | Stainless |
| Flange Thickness | .40" |
| Brand | OBX |
| Connection Type | Bolt on |
| Wall Gauge | 1.5MM |
| Port Shape | Oval |
| Sub Category | 4-1 Header |
| Collector | 2.3" OD |
| Outlet | 2.3" OD |
| Finish | Mirror polished |
| Header Style | Shorty |
Check the listing for details. OBX Stainless Manifold 05-09 Nissan Frontier 2.5L 2/4WD 4-2-1 Race 1O2 No EGR. Condition: New. Listed at 350.72 USD. OBX Stainless Manifold/Header 2005-2009 Nissan Frontier 2.5L 2/4WD 4-2-1 Race Type, 1-O2, No EGR. Enhance the performance of your 2005-2009 Nissan Frontier 2.5L with this high-quality OBX header. This header features a 4-2-1 race type design with 1 O2 sensor, perfect for both 2WD and 4WD models.