Product Description 100% Brand New Items, Never Used Or Installed Stainless steel 304 Primary Tube Diameter: 1 5/8" (41.3mm) Collector Attachment: 3-bolt flange Collector Diameter: 2.25" (57.15mm) Primary Tube Gauge: 16 Gauge Flange Thickness: 3/8" (9.5mm) Professional Installation is Highly Recommended No Instruction Included Package includes: 1 x Header Kit Hardware as Shown in the Picture above Fitment: .
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