Pre-Owned Header System for 991.1 and 991.2 GT3, GT3RS, 911R and GT3 Touring. 

2.5" Outlets are for use with Stock Muffler and 3.0" Outlets are for use with Dundon Mufflers.   

Your new 992 GT3 is an amazing car, but we feel it's lacking in the sound department!

Improve the sound of your 992 GT3 Exhaust with Dundon Motorsports' Cat-Back Exhaust System! 

No CEL, no codes, no lights, just that great Dundon Sound!

Photographs are illustrative only, production parts will look different.

Your new 992 GT3 is an amazing car, but we feel it's lacking in the sound department!

Improve the sound of your 992 GT3 Exhaust with Dundon Motorsports' Cat-Back Exhaust System!  

No CEL, No Codes, No tune required, just pure sound!

Photographs are illustrative only, production parts will look different.

Add Power and great sound and experience your Porsche’s true capabilities with the Dundon Power Package. Intentionally designed to bring big power with and distinct sound we all love, this kit is perfectly tailored to add more muscle, better sound, and increased performance to your specific GT car. 

You Want Great Sound?

You Want Drone Free?

You Want the LIGHTEST muffler for your Porsche?

We've got what you're looking for!  Our Titanium Ultralight GT3 Muffler is all of the above, with a signature Titanium shriek at high rpm, and no bleeding ears on the highway.  Combined with our Lifetime Warranty, and coming in at 9lbs fully dressed, this is the most exclusive exhaust in the world!

Ultralight Titanium mufflers are made to order and a 20% restocking fee is charged on cancelled or unused returned parts.

*Note the 992 Ti Muffler needs our street headers to fit on the car 

Hardware Kit to Install a 321SS Lifetime Dundon Muffler on 997 and 991 GT3/RS cars. 

Replacement tip sets for your Dundon Lifetime Muffler ONLY. Does NOT fit OE Porsche Mufflers. Proper tip length is important, so please ensure you select the correct application.