harry 2

hi guys i have oil coming out of my oil filter and my intercooler and breathing system and also when i start the car up i get smoke from under the bonnet and the exhaust but then it clears but if i rev hard u can still see a little smoke but not much and the car feels a little bit more down on power ands oil is leaking like hell from under the car and i cant find the cause thare is one thing i have found is that one of the breather pipes hase a small crack in it th pipe that joins on to the t pipe from the engine need some advice cheers