A drilling mud screen system, comprising: a hollow body having a first end, a second end and a first centerline from the first end to the second end; a drilling mud inlet having a second centerline forming an angle with the first centerline and extending to the first centerline, wherein the drilling mud inlet is offset from the first end of the body; a drilling mud outlet at the second end of the body; a drilling mud screen access port at the first end of the body; an end cap, disposed within the drilling mud access port to close and seal the drilling mud access port; a plug, disposed within the first body between the first end cap and the first drilling mud inlet; and a drilling mud screen, disposed within the body between the drilling mud inlet and the drilling mud outlet is disclosed. Methods of installing and using the drilling mud screen system are also disclosed.