Catted Long Tube Header Fitment For 03 to 04 Dodge Ram 1500 5.7L 4WD Hemi By OBX-RS

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: 1.75" Port Shape: Round Port ID: 1.75" Collector: 2.5" Outlet: 2.5" Main Piping Size: 2.85" O2 Bung: 3 EGR: 0 Air Injection: 0 Flange Thickness: .40"