If Dow bellows were too bulky for you, you can always order his smaller and lighter version. I am not sure about the % of difference. Maybe someone else can comment on this.
And the 90 degree connector issue you can solve with something like this https://www.farmandfleet.com/products/1 ... -pipe.html
They come in different sizes and you can get also the brass or stainless version or Michael can make it for you.