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I have a GRP on mine and vacuum lines plugged so no more valves. I am very happy and I am glad to be done with any Mods. I do not need this car any faster and love the sound. Loud but tolerable. Does not sound as good as my previous GT4 but louder and more GT3 sounding any way.
I went this route exactly- it was simple enough I could do it myself and it sounds amazing. Even a short drive feels/sounds like an "event"- from cranking car to running to 9K. I would love a simple ECU program flash that didn't cause a dozen other issues but resulted in a true 10% power gain but I don't think I would undertake a header/side muffler/cat delete if also required to get there.
They seem to have a good reputation outside of the states. I'm not sure if it is because there are so many other manufacturers in the US. IPE is definitely the best sounding, hands down. If you type 991 GT3 exhaust on youtube, most videos will be IPE. It has a valve option too unlike bypass'.
for the decatted version what exact tune is used from what tuner? I have a .2 gt3rs on order and want to do a full decatted akrapovic. But i want the exact tune akrapovic is running on their claimed numbers.
Congratulations on your 991.2 GT3RS order. When is it expected to come in?
Akrapovic does not use a tune when they run the dyno results of OEM vs their unit.
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its a ways out. February. We will be in touch. I thought it needs a tune for cel’s to be avoided
It does, because it runs 100 cell cats, which these cars are SUPER sensitive to. Its the biggest reason I DIDN'T go with Akra, which really bugs me. Why they didn't go with 200 cell cats drives me crazy.
for the decatted version what exact tune is used from what tuner? I have a .2 gt3rs on order and want to do a full decatted akrapovic. But i want the exact tune akrapovic is running on their claimed numbers.
Both full systems use cats, they don’t offer decat system for .1, most likely .2 will be the same.
The numbers they give are with stock tune.
It does, because it runs 100 cell cats, which these cars are SUPER sensitive to. Its the biggest reason I DIDN'T go with Akra, which really bugs me. Why they didn't go with 200 cell cats drives me crazy.
Evolution systems can trigger CEL but it’s really up to the market, don’t know for US but for RoW it is very likely you don’t have to tune to avoid CEL. I would anyway, you could be having a non ideal tune for your engine and would be wasting a lot of power
The Akrapovic version is already out. It is the same unit that they offered for the 991.1 GT3. I have them in-stock and ready to go.
No Sir, please do not give incorrect information, .2 system is not out yet. 991.1 fits but it’s not what Akrapovic recommends so far, options should be out soon
No Sir, please do not give incorrect information, .2 system is not out yet. 991.1 fits but it’s not what Akrapovic recommends so far, options should be out soon
thanks for the heads up. Will end up emailing akrapovic directly when the time comes.
No Sir, please do not give incorrect information, .2 system is not out yet. 991.1 fits but it’s not what Akrapovic recommends so far, options should be out soon
Originally Posted by Golden Boy
thanks for the heads up. Will end up emailing akrapovic directly when the time comes.
When we spoke with Akrapovic's engineers we were told that that 991.1 GT3 exhaust works without modification on the 991.2 GT3 and that when the 991.2 GT3 releases it would share about 95% of the same components with the remaining 5% likely coming from the tip exit design.
Technically you are correct in saying that the 991.2 GT3 Akra exhaust is not out yet so I apologize for saying it was the exact same between the .1 and .2/
I just ordered a cargraphic bypass pipe, and will likely order the full system in a bit...I've been trying to reach that higher pitch sound but not sacrifice any build quality or power. I tried to rationalize an Armytrix or IPE system but I seem to just not be able to. Something about the cargraphic system (lightweight 3 in particular which DOES use their side mufflers) seems to hit that howl that the other higher pitch (IPE, Armytrix) but doesn't seem to worry me as much potentially quality or design wise given the GT3/RS's apparently more complex running issues than other cars Ive had. REALLY want a company to come out with JUST a side muffler system for the car without having to order everything else...as that seems like a HUGE part of that high pitch howl...but every company likes to combine them with other things it seems like.
Evolution systems can trigger CEL but it’s really up to the market, don’t know for US but for RoW it is very likely you don’t have to tune to avoid CEL. I would anyway, you could be having a non ideal tune for your engine and would be wasting a lot of power
At least two of the people I know with the system do get CEL's with the system (200 really seems to be the safe bet here) and as much as tuning is a nice thing, it's really REALLY not worth the potential hassle should something go wrong with the motor (in general, not even because of the tune) and having an issue with warranty.
At least two of the people I know with the system do get CEL's with the system (200 really seems to be the safe bet here) and as much as tuning is a nice thing, it's really REALLY not worth the potential hassle should something go wrong with the motor (in general, not even because of the tune) and having an issue with warranty.
Agree about the warranty. Sadly different tunes for different markets makes the CEL issue harder to predict.
Akrapovic from what I’ve seen is producing mostly homologated systems or at least trying to avoid third party products, as software
It does, because it runs 100 cell cats, which these cars are SUPER sensitive to. Its the biggest reason I DIDN'T go with Akra, which really bugs me. Why they didn't go with 200 cell cats drives me crazy.
Drew, you don't have a way to register the car without emissions testing?
04-02-2018, 09:46 PM
