Yeah yeah, I know.....
This is almost 3 yrs old but I'm running a similar set up & thought I would chime in, in case someone else reads this of cares to add.
The short answer is YES, it works fine but a couple things to consider.
The long answer 1st - I replaced my old 55g with a new 75g. The stand that came with it has a open shelf on the bottom & 2 small cabinets above, that will not accommodate a full size canister filter & my chick says I cant have a bunch of crap spread out all over. There is a closet behind the tank & would love to run everything in there but old craftsman homes are light on storage space so no go!!
I had 2 mid/small sized canisters on my 55g & felt a larger tank should surely have 2 intakes. Duh?? IMO
it gives a tank more balanced filtration.
So rather than spend a ton of time trying to make my old filters fit by cutting out shelves & re-engineering a new support structure to carry the weight (not a guarantee with my work). I googled every filter dimensions I could find & came up with a EcoPlus 633 pump used externally to "PULL" two Sunsun 603 mini canisters (1st mechanical, 2nd bio) & then to a inline diy 4in PVC
w/ heater & UV
light in the same tube.
I found 2 Sunsun intake kits on the bay for $7 each shipped. Added a Y adapter from the hardware store, connected it to canister #1 & I was rollin.
1. - I did lose a wee bit of flow due to going from around 6ft of hose to 10ft. Plus the fact its now pulling from 2 sources.
2. - I feel like the pump is working less since i reduced the hose diameter (1/2 in) from the intake to the Y connector (3/4 in) down from there.
I would say the power of the pump is the deciding factor. My pump is doing a good job for now on my set up. May add a 3rd mini bio canister soon if I can squeeze it in there. We'll see if the pump can handle it...