Will a 3" DP Bolt Straight On to o2?

[Generation1JeY]

I am just about to order an rnr 3" turbo back exhaust, and i was just wondering will a 3" downpipe bolt straight on to my stock o2 housing? or do i have to get a bigger, high flowing one first?

Also will a 3" downpipe bolt right on to a stock cat? same with the catback 3"?

 

[Generation1JeY]

c'monnnn someone helppppp meeeeeee

 

[talon1987]

yur gunna need a 3" cat to connect the dp to the catback but for the o2 housing im not sure if it would bolt rite on because the dp is 3" and the o2 is 2.5" but im not sure it may or may not bolt up

 

[97GS-TSpyder]

yes i know my apexi 3 inch did

 

[AWDPetmitsu]

Won't this cause boost creep?