any tell me how they got the downpipe off i cant seem to get to the bolts 2004 TD4

hello i have a 04 TD4 the exhaust snapped in half i have a new exhaust ready to fit but i cannot seem to reach the 2 bolts that join the downpipe to the engine. haynes manual isnt clear and i cant find any thing on you tube or on here. i have access to set of ramps and wide selection of tools...