Stainless Steel Long Tube Header Fitment For 15+ Ford Mustang GT 5.0L Coyote AT/MT By OBX-RS

T304 Fully Stainless Steel Dual T.I.G. welded construction for stronger hold  Accessories in photo are included  No instalLatitudeion instruction included in this kit, we recommend professional instalLatitudeion 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: 1.9" Port Shape: Circle Port ID: 1.7" Collector: 3.4" Outlet: 2.9" Main Piping Size: N/A O2 Bung: 4 EGR: N/A Air Injection: N/A Flange Thickness: 3/8"