Not the best idea to take it off. If you do, then get rid of the return line and stick a $40 adjustable unit in there. You can even mount it in the cab for on the fly adjustability. That lspv adjusts your brakes depending on the load your carrying.
Mine in the engine bay at middle far right.
![](http://i203.photobucket.com/albums/aa116/4runnerchevy/wholeeng.jpg)