That narrowing is critical for this bypass system to work. Oil filter relocation kits allow you to fit engines in tighter spaces by moving the oil filter up and out of the way.

Ls Swap Oil Filter Relocation Bracket Install Sikky
Remote oil filter flow direction. The flow of oil in a filter should be from the outside to the inside. When i run an engine the first thing i do is check oil pressure too high and too can cause the same damage. The way this is accomplished is to divert just the right amount of oil to the filter without causing a drop in oil pressure. Most oil filter relocation or filter kits come with appropriate engine oil filter mount enough hose to move the filter and base up on the inner fender or other area to make room down low in the engine compartment. Many piston aircraft came equipeed with and still only have an oil screen. All engines are different i have had engines run with rods out the side.
Incorrect flow direction occurs when the lines to a filter housing or remote mounted adapter base this could result in restricted and perhaps total loss of oil flow. Step up to a remote dual oil filter kit for the ultimate in engine oil cleaning. Oil screens have one purpose to catch particles when the engine starts making metal. But if the main seizes. In all cases of incorrect flow the elementfilter performance efficiency capacity and fetch document. Select remote oil filter kit using this application chart.
Can i swap the pipes. The way gm did this was to install a narrow 116 orifice in the oil filter cannisters standpipe. Incorrect flow direction in liquid filters with few exceptions this is from the outside in. Oil screens do nothing to protect your engine particles larger than 20 microns 001 will cuase damage. Youll probably have to see which port on the adaptor goes where by blowing through it etc. Remote oil filter mounts does oil directionflow matter.
As said before 100psi for a engine is really high.