90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989)
11 - 30 Nm (22 ft lb)
12 - Retaining ring, tension approximately 8 mm (arrow)
13 - Resonator
14 - 25 Nm (18 ft lb)
15 - 30 Nm (22 ft lb)
16 - Oxygen sensor, tighten to 50 Nm (37 ft lb)
17 - 20 Nm (15 ft lb)
18 - Catalytic converter
19 - 25 Nm (18 ft lb)
20 - Seal washer, tighten to 20 Nm (15 ft lb)
21 - Clamping sleeve 40 Nm (30 ft lb)
22 - 25Nm (18 ft lb)
23 - Clamping sleeve, tighten to 40 Nm (30 ft lb)
24 - Rear muffler