AG SRP is a really popular product, id go as far as saying probably one of the most sold products out there, who doesnt have a bottle of this stuff? even i do now, and i dont like autoglym

as for t-cut, from what i gather, the cutting agent in it basically consists of metal particals that arent as fine as what they should be, its old skool science for our grandads, technology in car cleaning certainly has come along way with some amazing products out there that would put our grandads montego to shame, old skool product for old skool paintwork

AG SRP is a very fine cut with fillers i believe?