no prob mate. the 3 lines are only a couple of cm long and space at 2cm intervals just before the axle bend, but measure twice cut once would apple more with the after market exhaust.
to cut it depends on what tools you have, I've used two, a proper large diameter pipe cuter which consists of loads of 2cm diameter cutting wheels, kinda like an oil filter removal chain, except chain is made of of the cutting wheels, that worked a treat and only took <5mins. I've also used a angle grinder on air hose, that still took about 15mins with another person holding the back box still, be careful of brakelines though.
see if you mechanic can do it, they might have proper tools, hacksaw might work, but its a confined space in the region you need to cut.
