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...

The Porsche 992 GT3 and 992 GT3RS Exhaust systems leave much to be desired for improved performance, added power, and improved sound. We designed a long tube header, keeping the valves and no check engine lights, to dramatically increase power and fantastic sound. We...

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...

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...

  Most of us have experienced the many issues associated with both the stock Steel and Ti rear mufflers on our beloved 997.1, 997.2 , 991.1 and 991.2 GT3, GT3RS and 911R. cracking, holes, not passing sound etc... We've been reinforcing both the Steel...

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...

Dundon Motorsports' 991 street header exhaust system is the elegant solution you have been waiting for! This system features stainless steel construction that will withstand the most extreme conditions on the street or the track, while saving weight compared to the OE system.  Tuned...

Dundon 981 GT4 Race Headers provide substantial gains in torque and horsepower throughout the rev range. They are a race system so are for track or off-road use. 

The GT2RS is a beast born to dominate the Green Hell (Nurburgring), and while fast, is lacking a bit of emotion. We sought out to fix that with our Inconhell Street Exhaust. Enjoy the crackles, whistles and flames this system accentuates!

Our GT3 Muffler Adapter kit comes with everything you need to mount a GT3 muffler on your 981 except the muffler and tips! 

  Enjoy 347 Stainless construction, same high quality valves as used in our battle tested Race Headers. Reduce weight through the elimination of side mufflers, reduce heat on the rear tires and under the decklid, no Drone, and 100% Lifetime Guarantee, including track use....

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....

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....

Dundon Motorsports' 997 street header exhaust system is the elegant solution you have been waiting for! This system features stainless steel construction that will withstand the most extreme conditions on the street or the track, while saving weight compared to the OE system.  Tuned...

  Dundon Motorsports' 997 street header exhaust system is the elegant solution you have been waiting for! This system features stainless steel construction that will withstand the most extreme conditions on the street or the track, while saving weight compared to the OE system. ...

  Dundon Motorsports' 991 street header exhaust system is the elegant solution you have been waiting for! This system features stainless steel construction that will withstand the most extreme conditions on the street or the track, while saving weight compared to the OE system. ...

Dundon Motorsports' 991 street header exhaust system is the elegant solution you have been waiting for! This system features stainless steel construction that will withstand the most extreme conditions on the street or the track, while saving weight compared to the OE system.  Tuned...

Dundon Motorsports' 997 street header exhaust system is the elegant solution you have been waiting for! This system features stainless steel construction that will withstand the most extreme conditions on the street or the track, while saving weight compared to the OE system.  Tuned...

Dundon Motorsports' 997 street header exhaust system is the elegant solution you have been waiting for! This system features stainless steel construction that will withstand the most extreme conditions on the street or the track, while saving weight compared to the OE system.  Tuned...

Dundon Motorsports' 991 street header exhaust system is the elegant solution you have been waiting for! This system features stainless steel construction that will withstand the most extreme conditions on the street or the track, while saving weight compared to the OE system.  Tuned...