1754001-8 1754001-9 Cessna 172 Lycoming Muffler (Cracked Tailpipe) from $178.00 Qty. Add to Cart Condition: UsedCondition Description: repairable - 2" crack at end of tailpipe - see picturesAlt P/N 1754001-8 Manufacturer Part Number: 1754001-9 Qty available: 1 Tweet