K4-18EXC$176.82PriceQuantity*Add to CartBuy NowSTACK CURVED,4"X18,ID CR ID INLETReturn & Refund PolicyAll Parts are subject to a 15% restocking fee and MUST NOT be installed and returned in the original resealable package. All Returns are in the discretion of management. Â Please be sure you are ordering the correct partAll Parts are subject to a 15% restocking fee