You can similarly increase the flow through your pour-over cone by either reducing the amount of grounds or grinding the beans coarser.    Any way you can increase space the water can flow through unimpeded will accomplish a faster drip.  As someone pointed out earlier though, any increase in the flow rate of the water is a decrease in the contact time it has with the coffee and will therefore affect the flavor and acidity of the coffee.  So there is a balance to be found.  If your modification has resulted in a cup of coffee you enjoy and in you getting it in an acceptable period of time, then it's the proper solution :-)