Blow-By Racing is now offering an upgrade kit for your 2010 Roush Mustang
* BBR 2.57 Supercharger Pulley
* SCT X3 w/ BBR custom Tune
We have been seeing an increase in boost from 4.5 to 8
Horseower & Torque increase from 364 to 400 rwhp
Blow-By Racing is not responsible for any prices changes, mis-mark items , or any other mis-printed items.