Ph1 Airbox or Ph2 which to run?

[payton31]

Ph1 Airbox/ Ph2 Airbox

what you guys think i have both available to use, which 1 is better for air intake ? thanks

 

[Brett]

PH1. Proven many times. Your only talking like 1-3hp difference normally.

 

[welshname]

slight improvement on bhp with a ph1 box but a dip in torque lower down, more torque on the ph2 box. But again, it's all marginal.

 

[mr.pink87]

Espace V6 airbox is the way to go.