At Dundon, we test our products endlessly to ensure the utmost quality. And over time, we found the factory muffler couldn’t keep up with the added performance our Headers provide. We set out to fix that. The result — Dundon’s GT3 Lifetime Center Muffler....

Our Megaphone crack pipe features... Inconel 625 Megaphones for enhanced wave strength (more power) Full 3.5" X Pipe merge   YOU HAVE BEEN WARNED! This system sounds badass, BUT…. It was designed for race cars, and as such, it is UNCOMPROMISING It drones at...

Hardware Kit to Install a 321SS Lifetime Dundon Muffler on 997 and 991 GT3 Cup cars. The 2.5" version also works for 981 GT4/Clubsport cars retrofitting a GT3 muffler using our adapter kit.