Outer Limits 4x4 Board

i have a set of extractors and i want to put them on and have the exhaust come under just under the tip of the tray so it is higher up, ie creek crossings, anyone who has does this could u please explain what i need to do. its a 92 single cab lux 2.8 diesel, im gonna order a length of 2 and a quarter inch pipe, i need a muffler but there will be size restrictions im guessing, and what about mounting brackets for the pipe??/
Any info appreciations.


ps if anyone has a air con compressor or parts for sale let me know!!