I drive the boat to the back of the hanger on the north side, gets of the boat, kill the one guard in front of the hanger, get the loot, go back to the boat, keep driving to the drainage tunnel location, dive into the water and do what I did before. For escape, when I go out of the gate, I run to the left side and dive into water, swim away. The drainage tunnel isnt selected on the minimap and when we swam there we weren't able to cut it open. When i swap out the water and tried to get a boat i found out that i have the shotgun selected with no silencer (even though i did the prep for the ak and was sure to check the silencer was on). That confused me even more. When you get to the water, shoot the one sea gazing guard and either jump in the water and swim away (takes a couple minutes) or shoot a passing boater and jet away into the sunset (much faster). Mix this with the reset exploit (and a friend) and you’re ready to run it again. and again. My average is 9:40 with elite, hard mode, pink ruby and it is a common problem of gta when 2 player shoot at the same target, some kind of latency issue, precise headshots should still work or use the sticky bomb at the parked valkyrie in the compound we blew ALL of our ammo 2 or 3 times. trying to kill the gunnes who didnt take dmg. the pilot didnt take dmg and the heli itself didnt take any dmg. Submarine entry and exit with drainage tunnel infiltration. Forget everything else - no disguises, no vehicles, no bolt cutters, no grapple. Just in and out. You spawn practically inside the compound. No guards to avoid, just swim straight in. Jump off the nearest cliff after getting out of the compound gate. jdcbaron. • 3 yr. ago. You can select any vehicle approach, you just need to scoped the drainage tunnel and have the torch cutter. [deleted] • 3 yr. ago. You need the blow torch. r/gtaonline. My instagram - insane car photos: Drainage Tunnel Cayo Perico l How To Scope Out l Location - GTA Online.drainage tunnel cayo perico cayo perico drainage tunnel how to get drainage tunnel cay Can you Dive Through Drainage Tunnel Compound Entry Without Diving Gear CayoPerico Heist-GTA Online Follow us on Social Media:Raheem’s Instagram: Step-by-step guide of how to unlock the secret drainage tunnel in gta 5 online in the intel scope out heist preps. Follow my path in the video for success. D ciQzS.