New brushless motor upgrade in my slash 4x4! : r/Traxxas
Just made my slash 4x4 4s capable and my MAXX is now 6s capable I am super satisfied with these upgrades much more power and more power is more fun! : r/Traxxas
Traxxas Extreme Heavy-Duty Upgrade Kit For The Hoss 4X4, Rustler 4X4 & Slash 4X4 - RC Car Action