Ferrari 458 Italia Technical Documentation Manual page 735

Silencers
Tighten the screws indicated.
Fasten the catalytic converter mounting bracket
first and then fasten the catalytic converter to
the relative bushings.
Tightening torque
Screw
Screw / Nut
Tighten the screws indicated.
Fasten the catalytic converter mounting bracket
first and then fasten the catalytic converter to
the relative bushings.
Tightening torque
Screw
Screw / Nut
Tighten the nuts indicated.
Tightening torque
Nut
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Nm Class
25 Nm B
25 Nm B
Nm Class
25 Nm B
25 Nm B
Nm Class
13 Nm B