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

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.   

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. 

We'd been asked by a few to make a Crack Pipe that wasn't as much of a commitment but still true to the original Megaphone Crack Pipe. Meet the Mini Crack, this one works with Dundon valved side muffler deletes or our Street Headers, for both 991 and 997! The only sound better than a Porsche is the sound of a Porsche that’s earned its racing stripes. That’s why we’ve designed the Crack Pipe — the ultimate, unbridled expression of Porsche’s Motorsport DNA (with a little help from Dundon Motorsports). If you want to seriously turn heads at the track when you fly by, this is the one for you. It's still loud but the valves do take a bit of the edge off while cruising. 

Take your Titanium Ultralight muffler up a notch with this Inconel 625 Loud Insert.

By eliminating the first expansion on the lower muffler tube, you create an even more visceral experience when the valves open and even quieter upper path when the valves close.

Sold as a pair

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!

 *Pre-Owned Parts will vary from photos below.