- Joined
- Jun 6, 2017
- Messages
- 11
I keep reading no gains in ported lower manifolds. What I am interested in is if there is a drop in boost at same power level. I hear 1- 1.5psi drop. Any truth to this.
Sent from my [device_name] using the svtperformance.com mobile app
Sent from my [device_name] using the svtperformance.com mobile app