Stainless Long Tube Header Fitment For 71 to 79 AMC 8Cyl. Vehicle 290/304/343/360/390/401 CID Dog Leg Port By MHP

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: 1.6" OD Port Shape: Dog-Leg Port ID: N/A Collector: 3" OD Outlet: 2.25" OD Main Piping Size: N/A O2 Bung: No EGR: No Air Injection: No Flange Thickness: 0.40"