6Boost Exhaust Manifold, for Nissan RB25/30DET (DOHC), GT4/2x40 'Divided Entry' Twin 40mm Wastegate Ports "GT42/GT45/G42/G45/PT Sportsman" Add a titanium stud kit:Yes The EX38 features a 38mm

The EX38 features a 38mm valve and comes standard with a 10psi spring

5% purity level

◦Bosch Motorsports DBW 82mm

It is recommended to also mount below the carburettor to avoid vapour lock conditions

We design it for use with ‘yellow metals' (bronze

6Boost Exhaust Manifold, for Nissan RB25/30DET (DOHC), GT4/2x40 'Divided Entry' Twin 40mm Wastegate Ports "GT42/GT45/G42/G45/PT Sportsman" Add a titanium stud kit:Yes The EX38 features a 38mm6Boost Exhaust Manifold, for Nissan RB25 30DET (DOHC), GT4 2x40 'Divided Entry' Twin 40mm Wastegate Ports "GT42 GT45 G42 G45 PT Sportsman" Prepare to unlock the full potential of your turbocharged engine with a 6Boost turbo manifold. All 6Boost manifolds are specifically designed for your application and built around a unique "merge collector" design. This means no pipes cross each other and the merge collector directs all exhaust gases at the turbine