4-1 Turbo Header Manifold Merge Collector T3 T4 Flange Bolt Hole Thread M10x1.5

T3/T4 Flange, Bolt Hole Thread is M10x1.5. Fit For T3 T4 Flange. Cast Stainless Steel, 4 Cylinder Collector. For 3mm Thick Wall, 48mm (1.9") OD Tube.

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