hi all . I am looking for some advice regarding the rear bumper on my 2004 a4 gmbh avant . could anyone tell me if the twin exhaust outlet rear valance[ ie exhaust pipe on each side ] from an a4 b7 avant will fit onto the b6 . the car is a 1.9tdi and I am looking to fit a twin outlet exhaust from a 2.0tfsi if the b7 will not fit does anyone know a twin outlet valance that will many thanks in advance