OBX-RS Stainless Steel Header Fitment For 1997-2001 Acura Integra Type-R DC2 B18C5 1.8L

welded construction for stronger hold  Accessories in photo are included  No installation instruction included in this kit 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: Oval  Port ID: 1.4" Collector: 2.0" Outlet: 2.0" O2 Bung: 1 Flange Thickness: 0.40". T304 Fully Stainless Steel Dual T.I.G