BBC Zoomies are crafted from polished stainless steel and available in 2½", 2¼", or 2" outer diameter, paired with a 3/8" stainless steel exhaust flange. Each set is made to order with a 6-week lead time.
Optional upgrades include a matching set of zoomie covers for $180 and 1/8" NPT EGT ports for $150. Free shipping within the U.S.