The only real way to massively increase the power output of your vehicle without risking reliablilty in the process is to build or invest in a pre-assembled motor. It's not a easy undertaking, nor is it a cheap one. Having said that, the benefits justify the cost. The sky is the limit when it comes to power levels, and reliablity can be had with the right approach.
APM Tuned is capable of helping you create a turn-key process when it comes to motor builds and swaps. We want to help make the process as smooth as possible for you as we know the headaches that can occur when taking on such a large project. Here is a brief list of some of the services offered: