Try to change the supercharger's pulley. The OEM one is too big, put some small one and that M90 will push 1-3 psi more air into the turbo, it might really help.
Try to change the supercharger's pulley. The OEM one is too big, put some small one and that M90 will push 1-3 psi more air into the turbo, it might really help.