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SiCo Developments

Focus Mk2 RS/ST Big Turbo cast manifold with the large T3 flange

  • Cast Iron construction
  • External wastegate compatable.
  • T3 High Power version up to a GT35 turbo & 600+bhp


At last a true alternative to the tubular manifold,The start for real power starts with the removal of the stock manifold on the ST/RS Focus 5 cylinder Volvo engine.The new cast manifold comes with the large T3 flange and can accommodate many different turbos and power outputs

The only manifold choice when looking for a Genuine 500+bhp and a NO CRACKING gaurantee 3 year warranty 'conditions apply'

This high flowing T3 flanged manifold for any of the GT3071 to GT35R turbos and also compatible with all T3 and T3/T4 turbos). External wastegate flanged for Tial 38mm (or similar size 2 bolt wastegate), Has been successfully used to make almost 600HP on a GT35R on the Volvo C30 T5 engine. Manifold is heavy duty construction and will not break under harsh street or racing conditions.