But if you want to incorporate additional and attain four hundred HP, you'll want to replace your OEM turbochargers With all the GTR RB26DETT N1 turbochargers, purchase a giant intercooler and an MLS gasket head.The RB25DE cylinder head within the A31 Cefiro C33 Laurel or R32 Skyline (aka: Non VCT) is usually used. The RB25DET (in the R33 Skyline o