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+55 rwhp is impressive......I would love to see this on our dyno and would be happy to dyno anyone who has this exhaust on their car on our in-house Dyno at GMG at no charge....
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James F. Sofronas | President & Owner
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E: james@gmgracing.com
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I have the delete-r installed on my 2015 GT3 along with the Akrapovic Evolution Race Exhaust. The delete-r does not connect to the OBDII. The rear bumper will need to come off for installation. The device is hidden inside the engine compartment. It will only eliminate codes caused by the catalysts converter. So far, so good, been on the car for 500 miles already. Attached is the installation instructions if your interested in where it plugs in.
I must say our dyno is normally regarded as a heart breaker as well, but the difference was mind blowing with your header. Normally if someone told me they gained 50hp with a header I would have to raise the BS flag, but I saw this one with my own eyes and the gains are real. Solid system you guys have engineered for this one, I'm just mad I didn't order one for me 996 a long time ago because I have a feeling you're going to have a pretty sizable wait list going forward!
Originally Posted by Money2536
+55whp/+31wtq/-31lbs
Originally Posted by onelove
Same dyno setup as before, with newer Porsche we run them linked so it's spinning the front drums through a huge belt to keep the Porsche Systems happy. It's a dynojet 424 LC2 with the Link, the top of the dynojet food chain and we had it calibrated just before Matts baselines to allow us to measure cars with more than 1500 horsepower (we've had one make 1675whp on it). It's been used by countless Grand-Am and IMSA teams as well as the sanctioning bodies themselves for Balance of Performance and baseline purposes, I'd say she's as fair as they come.
Even un-correct we were looking at over a 45WHP gain which is absolutely insane. SAE,STD correction I checked them all and everything showed over a 40HP game, I have no dog in this fight other than it being on our dyno.
Just grabbed others comments from previously in the thread, as a refresher...
Just grabbed others comments from previously in the thread, as a refresher...
Have you sold any systems to the So Cal area? I am happy to give them a free dyno to showcase the HP gains? Our dyno has been calibrated to match the engine Dyno from PMNA......would be really nice to see the gains that are being shown.....
Have you sold any systems to the So Cal area? I am happy to give them a free dyno to showcase the HP gains? Our dyno has been calibrated to match the engine Dyno from PMNA......would be really nice to see the gains that are being shown.....
Hi James, thanks for the offer, Intec Racings dyno is calibrated as well and has consistently shown, starting with the 996 GT3 up to the 991RS, to be quite accurate and shows which of Porsche's ratings are on and which are under rated (996GT3 and 997.2GT3RS are both underrated...) We're very comfortable with the gains we report and stand behind them. Titan Motorsports dyno (the one Matt went to) also has been use for BOP measurements and that Matt's car popped a 55whp gain is a nice surprise...
Been working with Eric at Supreme Power and I believe he's got some of his customers interested in our headers. He may hit you up for the dyno confirmation for one of his customers.
We do have a customer installing on his RS, but I believe he's currently on vacation. I'll let him ring in if he's interested.
I think most of the SoCal guys are waiting for the catted system and I'm sure you'll get a look at them once those are released.
Hi James, thanks for the offer, Intec Racings dyno is calibrated as well and has consistently shown, starting with the 996 GT3 up to the 991RS, to be quite accurate and shows which of Porsche's ratings are on and which are under rated (996GT3 and 997.2GT3RS are both underrated...) We're very comfortable with the gains we report and stand behind them. Titan Motorsports dyno (the one Matt went to) also has been use for BOP measurements and that Matt's car popped a 55whp gain is a nice surprise...
Been working with Eric at Supreme Power and I believe he's got some of his customers interested in our headers. He may hit you up for the dyno confirmation for one of his customers.
We do have a customer installing on his RS, but I believe he's currently on vacation. I'll let him ring in if he's interested.
I think most of the SoCal guys are waiting for the catted system and I'm sure you'll get a look at them once those are released.
Well plenty of Porsche owners have reached out to me asking me about the validity of your findings with these headers and I just responded with....let's see them on our dyno and then I can give you my thoughts??
Well plenty of Porsche owners have reached out to me asking me about the validity of your findings with these headers and I just responded with....let's see them on our dyno and then I can give you my thoughts??
So the dyno is ready and waiting....
Great, glad to hear that we're getting some interest. I think it's obvious a bit of my trepidation to send our headers into a competitors house. But I do appreciate the offer of free dyno confirmations
Great, glad to hear that we're getting some interest. I think it's obvious a bit of my trepidation to send our headers into a competitors house. But I do appreciate the offer of free dyno confirmations
I'm sure we can work something out!
My offer stands, free before and after dyno runs to verify this system.....I would be impressed for sure if the results play out as stated above......happy to work with any of your customers......anyone who has been to my shop knows it's a well run organization and is very clean and professional, I will make sure your guy(s) is well taken care of.
My offer stands, free before and after dyno runs to verify this system.....I would be impressed for sure if the results play out as stated above......happy to work with any of your customers......anyone who has been to my shop knows it's a well run organization and is very clean and professional, I will make sure your guy(s) is well taken care of.
This is a GREAT attitude to have!
A rising tide lifts all boats! And ultimately collaboration is a win for all.
I have the delete-r installed on my 2015 GT3 along with the Akrapovic Evolution Race Exhaust. The delete-r does not connect to the OBDII. The rear bumper will need to come off for installation. The device is hidden inside the engine compartment. It will only eliminate codes caused by the catalysts converter. So far, so good, been on the car for 500 miles already. Attached is the installation instructions if your interested in where it plugs in.
Thanks for the info! The akrapovic delete r is also an alternative solution for CEL problems.. So the DMS cat delete headers is a worry free setup if you ask me
+55 rwhp is impressive......I would love to see this on our dyno and would be happy to dyno anyone who has this exhaust on their car on our in-house Dyno at GMG at no charge....
Great!! I'm also impressed about the gains... That's why I'm willing to try them out myself! Nice to know that you also welcome other products especially you also have your full exhaust system for these cars.
I cancelled my DMS order for the reason that i only got my car 2 weeks ago. I feel i should really get to know the car first before adding power to it. In about 3-6 months i would be interested to do some mods.
Having said the above ... Dear Forum members, are you guys willing to pitch in with me to get this done of course only if DMS and GMG are on board with my suggestion? We forum members (3-5 members) pitch in for an economy round trip ticket for Jamie or Charles to go to LA with the DMS headers.
DMS will go to James @ GMG. GMG will do a dyno run on a stock gt3 or RS in the presence of DMS. DMS will then do the install in the presence of GMG then GMG will do the dyno in the presence of DMS.
Once the above is done we will know the results. Everything is fair!
I am willing to pitch in $100 for the ticket. Who is on board with me?
so how many 3rd party results does everyone want done? we should make a list of every member on here who has a 991 GT3 and RS and then every dyno we know that has run a Porsche on it, then lets figure out how many combinations of 991-3's and dynos out there and see if we can get every one of those cars on every dyno with our exhaust setup. Then once everyone is still in denial I should have other products out to do the same thing. So we can do this with the Race header setup, then the catted setup, then the GT4, I suppose since I am making a lot of power with the 997 3.8RS we should do this as well. Who's up for that? All I have is spare time as i'm just sitting on my *** waiting for these exhausts to build themselves.
(if you cant read sarcasm on the internet then thats no fun)
LOL!!! I can imagine how you must feel!!! Most tuner shops of the last 10-15 years have simply made more power by copying the OEM exhaust design with high flowing Cats, tune ECUs when possible, and always turn up boost in turbo cars.
You guys have taken an "old school" tuner approach with long tube headers and understanding of physics to create something different. And many are not willing to trust your dyno and work. Even though Arakpovic and others can put up any dyno they want and everyone believes it.
