Why This Upgrade Matters Porsche engineered the 991.1 GT3 to dominate street and track, but ten years of chassis tech has marched on. If you’re chasing lap‑time parity with modern 992 GT3s—or just want razor‑sharp road feedback—the factory PASM dampers and rubber‑bushed arms are the biggest bottleneck. Dundon’s full suspension suite...
Porsche has long been a leader in high-performance sports cars, with its GT models standing out as some of the best-handling machines on the road and track. One crucial component of these cars' steering systems is the tie rod end. In this article, we will explore the role of extended-length...
Porsche's high-performance GT models are engineered with precision, but for track enthusiasts and spirited drivers, enhancements can unlock even greater performance. One such upgrade is the replacement of stock inner lower control arms with extended aftermarket variants. These control arms allow for more extensive suspension adjustments, vital for achieving the...
Porsche vehicles are renowned for their high-performance engineering, and modifications such as camber plates (also known as upper strut mounts) can further enhance their handling capabilities. These components play a crucial role in fine-tuning a car’s suspension geometry, making them essential for enthusiasts who engage in spirited driving or track...
Every Porsche enthusiast dreams of refining their car’s performance, making it sharper, more responsive, and even more exhilarating to drive. At Dundon Motorsports, we don’t just modify cars; we build relationships with our customers and work with them to achieve the ultimate driving experience. One of our long-time...
Photo from bringatrailer.com A Record-Breaking Sale: The 997.1 GT3 RS Market Reaches New Heights The Porsche 997.1 GT3 RS has always been a highly desirable collector’s car, but recently, the market witnessed something extraordinary—a 7,000-mile, one-owner 2008 GT3 RS sold for a staggering $395,997 on Bring a Trailer....
Every track day driver dreams of chasing that perfect lap — the one where everything clicks, the car feels like an extension of your body, and you cross the line knowing you couldn’t have gone a tenth faster. For Barry Minor, a passionate Porsche 718 GT4 RS owner, fueled by...
Every driver has their own definition of “the perfect exhaust”, which is why you see so many options on our web site! In this blog we will be breaking down the differences between each of our mufflers to help you understand what their characteristics are. These descriptions will be targeted...
GT4RS Before and After — The Ridge Motorsports Park Test At Dundon Motorsports our goal is to take the incredible cars Porsche produces, and improve them incrementally in the areas we find opportunity. One of Porsche’s most recent offerings is the Porsche GT4RS. The Cayman we have all been waiting for...
Dundon Motorsports 992 GT3 Aero Package Data Analysis Today we are looking at a 992 GT3 owned by Dundon customer and friend, Ray Mort. Ray is an experienced track driver, but not a professional. He has spent the last couple of years upgrading his 992 GT3 track car with our...
How does Dundon make a GT3 compete with the new 992 GT3RS? The engine and gearbox are very similar between the GT3 and the GT3RS. The major differentiators for the RS are (in order) Aerodynamics and Suspension. We have detailed our suspension upgrade for the 992 GT3 in...
After a full Spring and Summer of testing and development, we are back for a (long overdue) update on our 992 GT3. Our last post shared the process of developing the exhaust suite, and those have been very popular, with lots of happy GT3 owners ripping gears all over the...
992 GT3 Development: Chapter One We are finally getting around to sharing our development progress on the 992 GT3. We received the car in late October after a number of delays (like many of you, I’m sure!). Job number one was to get the engine broken in, which we managed...
Time for a quick update on our 997 Resonance Intake Manifold! We've got a handful of these installed on customer cars (all over the world!) and results are trickling in. We were pleasantly surprised when we saw the gains on our test car (shout out to Alex P....
Well folks, it has been a while since our last 718 GT4 update. It's been a busy summer! We have some updates to share on the aerodynamic testing, some fine tuning of the suspension setup, and we bid a fond farewell to the 718 GT4 to make room for the...
Introducing the Dundon Resonance Intake Manifold While the 997 platform is well-established, we are excited to share a new product that is the result of years of work. We are employing an old concept to breathe new life into this beloved platform. Chrysler explored the use of this technique way...
Happy New Year gang! We are excited to bring the latest update to our 718 GT4 project to you after a long, involuntary break from track driving. Our time frame was adjusted for us by a combination of things: We’ve had a few developments since our last update; we’ve finalized...
Hi Everyone, We wanted to share our latest updates on the 718 GT4 development. Take a look here to see how we've progressed thus far. We are stoked to share more details on our Street Exhaust system. This is a complete replacement from the cylinder head to the factory muffler...
Hi Everyone, Our development of the 718 GT4 platform continues as we eagerly anticipate its new parts in the coming weeks. We’ve now completed three YouTube videos chronicling our progress so far. The premise is to use the track, a pro driver and an amateur driver, and do our best...
Hi Guys,We've started a little YouTube series on the development of our 718 GT4. The premise is to use track, a pro driver and an amateur driver and do our best to quantify the modifications we would do to the car to help make it faster.We're still designing the power...
Read one of our customers' experience with our street headers and loud muffler: I've had many, many different exhausts on my various GT cars. 4 or 5 different center deletes, some side deletes and most recently my preowned GT3 came with GMG headers and center delete. The GMG system that...
MCS 2 WAY/3 WAY DAMPER KIT FOR 991.2 GT3RS/GT2RS With HYDRAULIC FRONT AXLE LIFT We're honored to be the exclusive partner of Motion Control Suspension bringing true motorsports dampers to the 991.2 GT3/RS and GT2RS with Hydraulic Front Axle Lift. Click on the video above to check out...
Have you thought about what goes into the aerodynamics of your Porsche and how certain parts allow your car to adapt to your driving style? We're covering drag performance and vehicle handling and how they affect your Porsche's aerodynamics. If you're looking for faster and more efficient handling, learn how...
What is a Dyno Graph? When tuning vehicles and testing certain performance parts, most engineers and manufacturers will test the improvement on the engine by testing its performance through a dynamometer. A dynamometer is used to measure the power output of a vehicle. Tuners will run an initial pull with...
We've been excited to get the details and sound clips up for the 2020 Speedster Exhaust Package. The car featured in the video has our Street Headers reconfigured to work with the electronic valves on the Speedster, along with our Lifetime Loud Center Muffler and Titanium Tips. The end result...
Adam wanted to liven up his 991.2 GT3RS past the street headers and stock muffler he already had. So we sent him an Inconel Megaphone Center Delete affectionately known around here as the "Crack Pipe". This part was originally made as a special request for Pro Driver Lehman Keen. He...
Who knew that in under three minutes your Porsche GT sound could go from crisp and exhilarating to not loud enough and needing more crackle. Our friend Leo was able to deliver this super awesome series of drive-bys & decelerations in his very own “Guards Red” 991.2 GT3RS with Dundon...
We should have made this video ourselves, but we are so very thankful for Matt and the Obsessed Garage crew for coming through to show off our team here at Dundon Motorsports, give a tour of the shop and allow Jamie Bopp to explain the concepts behind creating more naturally...
Super cool client Frank in his 991.2 GT3 Manual on a deserted air strip! Here's more about the Dundon Race Headers from our website: Constructed from 321SS tuned length stepped headers and flapped side connector, the exhaust combination offers a 25whp increase at 8400rpm and 40lbft at 4300rpm for 991.2...
The time finally aligned where we had a customer car and some time to dyno! Dyno Video of 991.2 GT3 Manual Street (Catted) Header with Stock Muffler Dyno Results: First thing to notice: The 991.2 GT3 makes 456whp out of the box bone stock... To get an...
Review from Shogun974 on Rennlist: Shogun has Dundon 997.1 Race Headers and Dual Cone Carbon Airbox "At idle, sound is suggestive: not that loud but you feel the engine can tell what he thinks.At low revs and duty, sound is soft. It is even strange how they managed to keep...
Dundon Lifetime "Black" GT3 Center Muffler In Cabin with Race Headers and Black Center Muffler Couple of quick videos illustrating how comfortable our new Lifetime "Black" (Loud) Center Muffler for the GT3 is and how Raw! Here's more on our Lifetime Muffler from our website: Most of us have experienced the...
997.2 TurboS Rev Video Turbo S Dundon Xpipe Takeoff 1 Turbo S Dundon Xpipe Takeoff 2 Local happy customer in his Turbo S with Dundon X-PIpe Catback Exhaust, with no in cabin drone! Enjoy the Videos! About Dundon Dundon Motorsports was born out of three car-enthusiasts' passion to...
Our friend Robert blasting through the mountains in his 991 GT3RS equipped with our Long Tube 321 Stainless Steel Catted (200 CPSI) Street Headers and Valved Side deletes. The Cats can be swapped out for test pipes for track days, the only system like this on the market! Listen to...
Our long time customer Tarek at Yas Marina with the Porsche® GT Club. 991 GT3 with Dundon Race System. Thanks to fellow Porsche® GT Club Member Hasan for the great video! Blip Flame at Yas Marina, 991 GT3 Dundon Race Here's more about the Dundon Race Headers from our website:...
991 GT3RS Dundon Street 991 GT3RS Dundon Race These videos were from a wonderful event we donated to and supported called the Smokies GT 2017 for Cystic Fybrosis, FUCF! Not often we get to hear both systems run back to back! Pause one so you can hear them one at...
What is DSC Sport? Dundon is proud to be a dealer for the most revolutionary products for suspension tuning in recent memory. Porsche's® PASM system is good but it is a passive system meaning that when you hit the button it changes the shock settings and leaves them alone. The...
We tested our GT4 Race Headers bolted on vs a competitors GT4 Race Headers bolted on. No tune. First a picture of the Stock Manifolds (left) Competitor (Middle) and Dundon Race (right). All were tested blocking the hot air from the radiators and blowing cool air into both sides air...
Here's before and after trap speeds from one of our first customers Abdullah in Qatar, on his 991 GT3 Dundon Race on the Left, Center Muffler bypass on the right. Using the formula (in US units) This is just basic physics, accelerating a known weight over a known distance and using...
First of all, these headers are beautiful.... they look so good that I just want to hang them on my wall. A quality product! Comes packaged nicely with a set of K&N filters... Kareem GT4 Vid 3 Kareem GT4 Vid 2 KareemGT4 Vid 1 So here is my final...
We had a conversation with a high level Porsche® 918 Engineer, we were discussing engine control strategies and a lot of interesting things were learned and validated. Take a look at our study of the 991 RS on the dyno to understand a bit more about this. Historically the engine...
Video doesn't do it justice you need to hear it in person holy crap does it sound good! I thought my center bypass sounded good but these race headers blows it out of the water in every way. In my opinion these headers are 30% louder than previous setup and...
Derek RS with Dundon Race Headers Derek RS GT3RS with Dundon Race Tunnel Run These race headers are no joke worth every penny this is the real deal.Video don't do it justice you need to hear it in person holy crap does it sound good!I thought my center bypass...
Overview Many of you know that I built a 4.2L project a few years ago. The short story is the clutch we spec'd for it failed and caused the crank to be pulled into the journal bearing killing ring seal and a few of the bearings. So what to do?Do...
I had the DMS race headers fitted to the GT3 whilst I was in NZ for a week earlier this month. I should note I also had the KMS filters supplied by Dundon Motorsports, fitted at the same time on their recommendation.I have put around 500km on the system including...
991 GT3 at ORP!Our 991 GT3 with Race Headers sounding awesome at ORP 991 GT3 chasing 991RSChasing our customer Doug's new 991RS. Doug was being kind and not leaving me in the dust, as he knows the track really well and is a great driver! Spent October 3rd and 4th...
I'm very happy with it. In terms of affecting the cars outright performance, as such, I cant really say till I've been on the track, strip or Dyno with it - but I'll eat my hat if the car isn't measurably quicker in all situations. On a fast back road...
991 GT3 with DMS Race Headers vs 997.1 GT3RS with DMS Race HeadersGreat track day with a good friend. Jamie driving his 991 GT3 starting by chasing one of our customers, John, in his 2007 GT3RS Pumpkin. Both cars with Dundon Race Headers. John is such a good driver he...
991 GT3 w/Dundon Motorsport Exhaust and HeadersListen to the 991 GT3 with Dundon Motorsports high performance exhaust. Here's more on our GT3RS Race Headers from our website: Please note: Race Headers are for Non US or for racing vehicles. Constructed from 321SS tuned length stepped headers and flapped side connector, the...
We recently had a US Spec 991 GT3RS in the shop and the owner was gracious enough to let us get a baseline on our dynapack hub dyno, test the catted system and install and test the race headers on his car. 991 GT3RS at Dundon for Race Header installWe've...
Would like to make a review of the products as well as the customer service of Jamie in particular.Summary - High quality products paired with superb customer service - highly recommended!Just a brief background on the car:2007 997.1 GT3RS with Evoms / Sharkwerks header (200 cell cat) - stock side...
