Porsche Exhaust Muffler Front - 911 07-11 997-111-047-95 99610511801 Outer Diameter: 21

Outer Diameter: 21

Includes two glasses with engraved Porsche crest and signature

Ergonomically shaped HAZET 2-component handle (red/yellow)

On the other hand the bold

Porsche Exhaust Muffler Front - 911 07-11 997-111-047-95 99610511801 Outer Diameter: 21Porsche Front Exhaust Muffler (Cylinders 1 3) For Porsche 997 (2007 2011) Models. An exhaust muffler is a device designed to reduce the noise emitted by an engine's exhaust system. It's a crucial component that not only makes your vehicle quieter but also plays a significant role in overall engine performance and emissions control. How It Works: Sound Absorption: The muffler's internal chambers and baffles absorb sound waves, reducing their intensity.