2500FE Series (2-1/2 OD)

These blocks, molded in blue ABS plastic, are available in 6 different shapes to aid in modeling exhaust systems using 2-1/2″ OD mandrel bent tubing: 1″ and 5″ straight blocks, plus 15 degree corner blocks available in 3″, 3.5″, 4″ and 5″ CLR (Centerline Radius). Kits also include block adapters to be attached to the open end of a 2.5” OD tube to start the tubular assembly design started either downstream or upstream.