Looking at the Forge BOV's from HPF.com. Looks like Forge makes 2 models of BOV with 2 different vacuum port location, so basically 4 bov's.
A- Fast road closed loop BOV
B- Piston closed loop BOV
What is the difference between the 2 models? Anyone know?
A- Fast road closed loop BOV
B- Piston closed loop BOV
What is the difference between the 2 models? Anyone know?