E 450 V8-5.4L (2009)
11. Remove the 4 exhaust Y-pipe-to-exhaust manifold nuts and discard. Remove the exhaust Y-pipe.
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To install, tighten the new upper exhaust Y-pipe-to-exhaust manifold nuts to 40 Nm (30 lb-ft) then tighten the new lower exhaust
Y-pipe-to-exhaust manifold nuts to 40 Nm (30 lb-ft).
12. To install, reverse the removal procedure.
