That is how I made the placement to get from fender to A pillar. What Toyota snorkel did you get?
Then I took the template from the snorkel (Toyota 80 series) and put behind the card board template after aligning the mounting holes. I then taped the white template to the truck so I could remove the cardboard one I made. Next step was punch the bolt holes for drilling (unless your taking the fender off the lower rear one you won't be able to bolt on) the lower front bolt needs to be longer I think it was a half in longer we used. Note: see that door has room to open.
When you do the pass through hole take your time and use a cutting oil to help the hole saw. When you bolt the snorkel be sure to use some loctite on the threads going in to snorkel body (I'm sure you knew it).
Now this is where we cut the inner fender to have room for the connector. We sprayed under coating on the area (sorry no picture).
Here you can see why you need the longer lower front bolt. and how far the snorkel is from the pillar.
To get the snorkel over you need to fill it with silica sand to dissipate the heat from warping the plastic. The secret is to go slow and back and forth over the area.
Also to help get it over we used a ratchet strap with the ratchet strap near the top and just minor tension on it to slowly bend snorkel to prevent kinking it (the sand helps too).
As the strap would go slack due to heating we would adjust it back to as you see in picture. GO SLOW ON HEATING!!!! do not rush it. When heating you want to make sure that the snorkel does not bend to the rear (door would hit it) our fixed end of strap was slightly in front of LF name badge. This caused the pull to be slightly forward and in toward truck.
Here is the finished look.
As for the bracket that comes with it the angle is wrong. You have to either make a new one or bend it (break it and weld the angle opposite.) You will see what I mean when you hold it to the A pillar. I will add a picture tomorrow (I'm sick now)
I put some black silicone in the gap on lower front where the bolt was visable (not all along under side just front curve)I will add a picture tomorrow
You saved me from having to do a complete write up thanks.