S5 Quattro Coupe V8-4.2L (CAUA) (2009)
‹› Dimension - a - = 35 mm maximum.
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Remove nuts - arrows - with the hinged wrench socket (tool in development).
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Remove bolt - 1 - and the right catalytic converter.
Installing
‹› Tightening specifications => [ Muffler Assembly Overview ] See: Muffler/Service and Repair/Muffler Assembly Overview.
Installation is in reverse order of removal, note the following:
‹› Replace seals and self-locking nuts.
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Install oxygen sensors (G39) and (G130).
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Install right front muffler. Refer to => [ Front Muffler ] See: Muffler/Service and Repair/Front Muffler.
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Install exhaust system free of stress. Refer to => [ Exhaust System, Installing ] See: Service and Repair.
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Install the subframe crossbrace, upper control arm and stabilizer bar and tighten the suspension strut on the control arm.