Get the best sounding, most powerful exhaust for your GT4RS Clubsport, paired with our 93mm intake so it can breathe as hard as it screams. No valves, no muffler, no compromises. You want it LOUD, this is LOUD!! The GT4RS shares its engine architecture...

The Long Awaited Dundon GT4RS Muffler: Great flat-6 wail, no drone and big power! Have your cake, and eat it, too! Technical Description Great Sound, and Great Power without drone!We have spent the last TWO YEARS building, testing, iterating and improving this design. Now...

Get the best sounding, most powerful exhaust for your GT4RS. No compromises. Over 3 years in development and 11 Prototypes to get it right. Great Sound, and Great Power without drone! We have spent the last TWO YEARS building, testing, iterating and improving this...

The loudest, most powerful exhaust for your GT4RS! This system deletes valves and the muffler for the ultimate in power and performance. BE WARNED! This is LOUD and drones. Not recommended for sensitive drivers, passengers or neighbors! Makes 32whp at 8000rpm and 37lbft at...

Only for cars previously equipped with Dundon Street Headers. MEGA Crack Pipe deletes valves and muffler, for the lightest, LOUDEST system. Not recommended for sensitive drivers, passengers, or neighbors! Technical Description We spent TWO YEARS building, testing, iterating and improving this design. Using the...

We built the lightest, LOUDEST, most powerful exhaust for your GT4 Clubsport. No valves, no muffler, no compromises. Not for the faint of heart or for tracks with sound restrictions. Ear plugs not included! Dundon tuned-length 321 stainless steel Clubsport headers feed straight into...

Our Front Titanium Tie rods for your 981/718 GT4 or GT4RS Clubsport are here! Fully serviceable with replaceable rod ends vs having to purchase a whole new pair from PMNA or Motorsports. The Rod ends are PTFE Extreme strength extended units. These are custom...

A pair of Inner Lower Control arms for your Porsche 991 GT3 Cup or 981/718 Clubsport is an alternative serviceable replacement to the PMNA or Motorsports parts.  These arms use PTFE Monoballs with hardened stainless races to prevent corrosion. Press fit and retained with...

A pair of Inner Lower Control Arms (+15) for your Porsche 991 GT3 Cup or 981/718 Clubsport is an alternative, serviceable replacement to PMNA or Motorsports parts.  These arms use PTFE Monoballs with hardened stainless races to prevent corrosion. Press fit and retained with...

A pair of Lower Control Arm assemblies for your Porsche 991 GT3 Cup or 981/718 Clubsport with serviceable bearings for easy care and feeding.  These arms use PTFE Monoballs with hardened stainless races to prevent corrosion. Press fit and retained with a snap ring...

Pair of Rear Lower Control Arm assemblies for your Porsche 991 GT3 Cup or 981/718 Clubsport are an alternative, serviceable replacement to PMNA or Motorsports parts.  These arms use PTFE Monoballs with hardened stainless races to prevent corrosion. Press fit and retained with a...