GZ25N14 / GZ25N23 Air Pipe (S) (no longer available) $1.00 Quantity discounts available QuantityPrice Quantity: -+ SKU: AV835 Out of Stock ABOUT THIS PRODUCT:GZ25N14 / GZ25N23 Air Pipe (S) (no longer available)AboutAboutAir pipe for GZ25N14 / GZ25N23 engine. PMW part # 4519. Zenoah part# 4810-16150