Copy pasted from another seller of the same BPV
Low spring (~8-12 psi), Medium spring (~12-16 psi) and high spring (~16-20 psi).
So if you car is stock you want the low spring or medium spring if chipped the high spring.
Stock max boost on the 200 20v is 12 psi or 1.7-1.8 bar on the stock gauge.
Low spring (~8-12 psi), Medium spring (~12-16 psi) and high spring (~16-20 psi).
So if you car is stock you want the low spring or medium spring if chipped the high spring.
Stock max boost on the 200 20v is 12 psi or 1.7-1.8 bar on the stock gauge.