STM T4 Twin-Scroll Turbo Manifold Merge Collector Flange (4 to 1) Weld which allow for a broad

which allow for a broad increase in usable power

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STM T4 Twin-Scroll Turbo Manifold Merge Collector Flange (4 to 1) Weld which allow for a broadDescription: When making a custom manifold, the collector is one of the most tedious parts. Since we are fabricating these in mass quantities anyhow, STM can save you the headache and you can pick up this starter piece. The collector is fully tig welded to the T4 flange for a twin scroll turbo. The fun part is left for you. Features: 4 Runners to 1 Schedule 10 Stainless Steel Runners Mild Steel T4 Twin Scroll flange M10 x 1. 50 Threaded Bolt Holes