I used 3" pvc for my in cab on the tacoma and it worked great. To join it to the air intake I ground off a little of the inside diameter of a 90* connector making a tight fit. I then slid it over the flange on the side of the air box. To seal it I slid a 4" long rubber plumbing seal over the connection and used stainless gear clamps to secure it.
To make a connection from the snorkel body to the apron I drilled a hole in the piping and inserted a carriage bolt. This got glued and siliconed in place. I also used a 1/4" thick piece of rubber sandwiched between the apron and pipe at this connection to prevent wear and make a primary water tight seal.
Mine enters the cab behind/above the front tire through the firewall and is obviously mounted under the fender but the methods I used to mount mine would work for external versions.
I am convinced that the same setup, hidden under fender and drawing air from the cab, would be doable in an 80 if someone were to give it a go.
D
To make a connection from the snorkel body to the apron I drilled a hole in the piping and inserted a carriage bolt. This got glued and siliconed in place. I also used a 1/4" thick piece of rubber sandwiched between the apron and pipe at this connection to prevent wear and make a primary water tight seal.
Mine enters the cab behind/above the front tire through the firewall and is obviously mounted under the fender but the methods I used to mount mine would work for external versions.
I am convinced that the same setup, hidden under fender and drawing air from the cab, would be doable in an 80 if someone were to give it a go.
D

