Jami At Tirmidhi
827
Sahih+2

Abu Bakr As-Siddiq narrated that:The Messenger of Allah was asked: "Which Hajj is the most virtuous?" He said: "That with raised voices (Al-Ajj) and the flow of blood (of the sacrifice) (Ath-Thajj)

SahihAhmad Muhammad Shakir
SahihAl-Albani