FOR NISSAN ALTIMA 02-06 V6 for VQ35DE
"Features:
3-1 primary tubing; 3-piece design; 3-1, 2-1 design
100% T-304 Stainless Steel with a Polished Finish
4-wire o2 sensor needs to be lengthened. Extension wire and butt terminals are included.
Specifications:
Material: Stainless Steel
Surface: Mirror Polish
Size: 2.5 in. Inlet / 2.5 in. Outlet Y-Pipe
O2 Sensor Bung Included: Yes
Inlet Diameter: 1.75 in. x 1.25 in. (Oval)
Outlet Diameter: 2.5 in
Package Include:
Two Stainless Steel Headers, tubes and other accessories as shown in the picture."