OBX's header fitment for 1996 through 2002 Toyota 4Runner 1995 thru 2004 Tacoma 1995 thru 1998 T100 V6 5VZ-FE

T304 Fully Stainless Steel Dual T.I.G. welded construction for stronger hold  Accessories in photo are included  No installation instruction included in this kit, we recommend professional installation Manufacturer's Limited Lifetime warranty against manufacturer defects (Must fill out and return warranty card with a copy of the receipt and within 30 days of purchase date) Primaries: 1.5" Port Shape: Round Port ID: 1.4" Collector: 2.2" Outlet: 2.2" Main Piping Size: N/A O2 Bung: 0 EGR: 1 Air Injection: 0 Flange Thickness: .40"