This is the twin scroll version of 3 bolt design exhaust manifold, and up pipe (AKA the GT Spec GEN 2 in the USA, and the Tomei Extreme in Japan) has built a reputation based on it's consistently excellent performance results, and fantastic build quality.

This is why it is the most recommended exhaust manifold kit for twin scroll turbo cars aiming for 380bhp, and above, giving excellent spool up, and lifting power, & torque all the way through the mid', and top end.

In testing this manifold gave an increase of circa 20-30bhp/ftlbs depending on supporting modifications, and mapping.

Manifolds are supplied with all manifold, and turbo gaskets, nuts, bolts, studs, and a 50' x 2" roll of exhaust wrap.

Special offer price and free UK mainland shipping on this product !