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The Forced Performance S400/HD T4 1.25 clamp and flange kit includes a T4-style flange and a 1.25 outlet clamp arrangement intended to adapt S400 or HD-style turbines to standard T4 plumbing. It’s a fabrication kit for builders needing a compact outlet transition and reliable clamping for turbo exhaust routing, useful when modifying manifolds or fitting larger turbo housings.
Forced Performance S400/HD T4 1.25 Clamp & Flange Kit
