Hallman Pro Manual Boost Controller, Blue - PRO-03 Lexus IS250 Running rich (very low air/fuel

Running rich (very low air/fuel ratio

Sold as a Set/Pair - Single and Dual AVCS fitment

I guess we must have done something right

The stock fuel rails are fine for lower power levels but as horse power increases

High Visibility Design Bolts On Chassis

Hallman Pro Manual Boost Controller, Blue - PRO-03 Lexus IS250 Running rich (very low air/fuelOur new Hallman Pro kit contains our new Hallman Pro valve. The new Pro valve is machined out of billet aluminum and stainless steel pieces. The new design of the valve incorporates some great new features not currently available on any other manual boost controller. We have designed the Pro valve to not require the use of a lock nut or any type or allen wrench(s) to be able to adjust your boost. Simply turn the adjustment knob and it stays. Another