hi i know this has been asked before but i haven't found enough info on what these hoses are and just want to comfirm what i can do with them and what they are.

#1 do i need these or can i block them off


#2 this one i have piece from my 7age but its too long what can i use for this or where do i get this piece from. does anyone have the piece and maybe want to tell me the length of it and a picture????


#3 i was guessing number 2 was for my brake booster maybe ???? can i block one of these off or something



#4 or maybe number 1 was for my brake booster??? number 2 fuel line, is this on the opposite side to a 16v? is this the fuel in side????



thanks help asap would be great