Small block oil filter with headers

I have a problem with removing the oil filter on my 74 Duster 360 engine w 727 transmission. I have TTI headers and could not get the filter out the top side because of trans dipstick tube which is straight (from truck). The headers blocked it from dropping down. Finally loosened the header and shifted enough to get down and new one up. I used a NAPA gold filter short one.
Questions: Is there a smaller diameter filter that will make it easier to fit thru? What trans dipstick tube might work to give clearance for top removal? Thanks for help.
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