Mazda CX-9 Grand Touring 2009 Manual page 1542

EXHAUST SYSTEM INSPECTION [MZI-3.7]
1. Start the engine and inspect each exhaust system component for exhaust gas leakage.
If leakage is found, repair or replace as necessary.
EXHAUST SYSTEM REMOVAL/INSTALLATION [MZI-3.7]
WARNING:
1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)
2. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [MZI-3.7] .)
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
2008 Mazda CX-9 Grand Touring 2008 Mazda CX-9 Grand Touring
2008 ENGINE Exhaust System (MZI-3.7) - Mazda CX-9 2008 ENGINE Exhaust System (MZI-3.7) - Mazda CX-9
2008 ENGINE
Exhaust System (MZI-3.7) - Mazda CX-9
When the engine and exhaust system are hot, they can badly burn.
Turn off the engine and wait until they are cool before removing the
exhaust system.