Street Spring Package for 991 GT3

Foundational Part

Foundational Part

Foundational Part

Foundational Part

Foundational Part

Foundational Part

The Dundon D4 Package is the culmination of our work on perfecting and guiding the pressure waves into and out of the 3.4L Engine resulting in 40lbft max gains over stock and 62whp at 7000rpm. The Street Power Package is for street driven Boxsters...

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...

Gain a much needed 25+whp in your 2012 to 2016 991.1 Mezger powered Cup Car. Package includes: 321 Stainless Steel Race Headers no valves Inconel Megaphone Center Exhaust "Crack Pipe" Make your Cup sound like an RSR! View this post on Instagram A post...

Package Includes: Street Headers (w/ cats) Cobb AP w/ Pro Tune Dundon Resonance Intake Manifold w/ 100mm Throttle Body 997.1 Secondary Air Injection Retrofit (required for 997.2 cars) The Dundon Street headers by itself give a huge improvement to performance and the overall sound...

Package Includes: Street Headers (w/ cats) Cobb AP w/ Pro Tune Dundon Resonance Intake Manifold w/ 100mm Throttle Body 997.1 Secondary Air Injection Retrofit (required for 997.2 cars) The Dundon Street headers by itself give a huge improvement to performance and the overall sound...

 Limited Slip Differential for Porsche G96/G97 and G50 transaxles. Holinger have spent many years supplying Porsche with O.E. sequential gearbox parts and have been involved in officially servicing their racing transmissions. We have become very familiar with the potential weaknesses in the differential area...

Holinger (Drexler) Pro Diff for the 981S and GT4

With this suction cup mount designed specifically for the Apex Pro, you can rest assured knowing it's not going anywhere.

Carbon Fiber Dive Planes to balance aerodynamics on your 997.2 GT3RS.

Carbon Fiber Dive Planes to balance aerodynamics on your 997.1 GT3RS.

40lbft and 40whp gainsThe Dundon Power Package for 991.1 911R Includes:Dundon 321Stainless Long Tube Street Headers93mm Center Plenum and 93mm Throttle Body Kit991.2 GT3 Touring AirboxOptional Lifetime Muffler with PVD Black or Ti Tips, in Loud or Quiet configurationsWe work on helping the naturally...

Dual Reverse Cone Airbox for 991 RS Stock Filter Area :1.77 sq ft Reverse Dual Cone Filter Area: 6.25 sq ft 353% more than stock.

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...