HUB is 1.375x24, correct?
https://mutedmachineworks.com/product/3-extension-1-5-tube-1-375-24/
https://hansohnbrothers.com/shop/hansohn-brothers/accessories/mounts-and-pistons/hansohn-blast-diverter/
https://www.jmac-customs.com/bds-37-blast-diversion-shield-hub/
Longer
https://telloutfitters.com/product/asrsolvent-trap-tube/
https://www.subzerosupply.com/150-OD-Ti-Storage-Tube_p_134.html