O2 Sensor locations: 2
Header features 4-1 piping design design.
1.50" Primary Tubes
Head Flange Thickness: 7/16"
Outlet Flange Thickness: 3/8"
CNC machine flanges with TIG and MIG welded construction .
Made from Stainless Steel.
HP/Torque Gains of 5-10.
Professional installation is highly recommended
Installation Instruction is NOT Included
Nissan Hardbody 4WD 1990, 1991, 1992, 1993, 1994, 1995 4WD ONLY
For Exact Years and Models, Please Check Compatibilities
1 X Set of Header Exhaust System
Hardwares such as Gaskets and Bolts as Shown in the Picture Above