LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2003 >> Aztek FWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Exhaust System >> Description & Operation >> Muffler
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Description & Operation: Muffler

The exhaust muffler reduces the noise levels of the engine exhaust by the use of tuning tubes. The tuning tubes create channels inside the exhaust muffler that lower the sound levels created by the combustion of the engine.