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.

$175.36
$350.72