997 GT3 pops and bangs
Discussion
Afternoon all
I am lucky enough to own a 997.1 GT3 and I have put a Hayward & Scott bypass pipe on it and it sounds epic!
The thing is, I want MORE pops and bangs and heavy Darth-Vader-with-Cattarh-in-throat like breathing, is it possible?
Should I change the cats to get more noise?
Cheers
I am lucky enough to own a 997.1 GT3 and I have put a Hayward & Scott bypass pipe on it and it sounds epic!
The thing is, I want MORE pops and bangs and heavy Darth-Vader-with-Cattarh-in-throat like breathing, is it possible?
Should I change the cats to get more noise?
Cheers
V8KSN said:
Afternoon all
I am lucky enough to own a 997.1 GT3 and I have put a Hayward & Scott bypass pipe on it and it sounds epic!
Without a video, we'll have to take your word for it. But my honest opinion is a completely standard Cayman R I am lucky enough to own a 997.1 GT3 and I have put a Hayward & Scott bypass pipe on it and it sounds epic!
will still sound better. But don't quote me on that ;-)
Slippydiff said:
Without a video, we'll have to take your word for it. But my honest opinion is a completely standard Cayman R
will still sound better. But don't quote me on that ;-)
Clearly mis-read the question as (obi wan kenobi voice) thats not the answer he's looking for... Move along... (fricken Cayman rubbish)will still sound better. But don't quote me on that ;-)
To answer his question...
You need one of these! http://www.porscheshop.co.uk/acatalog/porsche_997_...
or
http://www.fabspeed.com/porsche-997-gt3-carbon-fib...
Google Fabspeed gt3 competition air intake and there is a stock / x-pipe / x-pipe + air take video...
Oh and I to have the H&S rear delete pipe and they do sound epic - next on my list is one of these air intakes...
Slickhillsy said:
Clearly mis-read the question as (obi wan kenobi voice) thats not the answer he's looking for... Move along... (fricken Cayman rubbish)
To answer his question...
You need one of these! http://www.porscheshop.co.uk/acatalog/porsche_997_...
or
http://www.fabspeed.com/porsche-997-gt3-carbon-fib...
Google Fabspeed gt3 competition air intake and there is a stock / x-pipe / x-pipe + air take video...
Oh and I to have the H&S rear delete pipe and they do sound epic - next on my list is one of these air intakes...
Whooosh ...... To answer his question...
You need one of these! http://www.porscheshop.co.uk/acatalog/porsche_997_...
or
http://www.fabspeed.com/porsche-997-gt3-carbon-fib...
Google Fabspeed gt3 competition air intake and there is a stock / x-pipe / x-pipe + air take video...
Oh and I to have the H&S rear delete pipe and they do sound epic - next on my list is one of these air intakes...
Thanks for the replies guys, this is exactly the kind of sound I am looking for - I am SOLD!
Before I get my wallet out, a quick couple of questions.....
There is only one external air intake on the 997.1 and only one air filter. This is 'sealed' when the boot is closed so the air entering the filter (and the engine) is cold air and not ambient air from the engine. Picture of my engine..
The air box in the links is similar to the RS 4.0 and 3.8 air box in that there is a filter on both sides. The engine cover caters for these two filters by having two cut-outs on the rear engine cover as can be seen below….
SO, my question is, would I need to fit the RS engine cover if I wanted to fit this Y pipe air intake?
That will be a problem and a non-starter for me as in order to do so, I would have to replace the lights and rear bumper too!
Can anyone shed some light on this please?
Before I get my wallet out, a quick couple of questions.....
There is only one external air intake on the 997.1 and only one air filter. This is 'sealed' when the boot is closed so the air entering the filter (and the engine) is cold air and not ambient air from the engine. Picture of my engine..
The air box in the links is similar to the RS 4.0 and 3.8 air box in that there is a filter on both sides. The engine cover caters for these two filters by having two cut-outs on the rear engine cover as can be seen below….
SO, my question is, would I need to fit the RS engine cover if I wanted to fit this Y pipe air intake?
That will be a problem and a non-starter for me as in order to do so, I would have to replace the lights and rear bumper too!
Can anyone shed some light on this please?
ttdan said:
I think taht may be a waste of money. That will just draw hot air in. Would you not think Porsche know how to get air into their engines already?
Drawing hot air in is what I am concerned about, that's why I asked the question about the intake holes in the engine cover above.It's explained in this video. There are similar vids on YouTube for different versions of these systems
http://youtu.be/Tvq-mHvlIRs
http://youtu.be/Tvq-mHvlIRs
Isysman said:
It's explained in this video. There are similar vids on YouTube for different versions of these systems
http://youtu.be/Tvq-mHvlIRs
Yeah, I can see how that would work for a turbo as it has two inlets on the engine cover and those inlets direct air straight to the filters. http://youtu.be/Tvq-mHvlIRs
My concern is that the 997.1 GT3 only has one inlet feed on the engine cover above one of the filters so the other filter will be sucking in warm ambient air from the engine.
IknowJoseph said:
Have you considered just changing the filter from stock to a K&N etc? It's not going to get you near the sound of an aftermarket induction kit, but it's inexpensive and will let you know if you're going in the right direction. No warm air issues either.
I've done this - no real improvement in sound am afraid...FWIW, the early 996 cup ran a cone type filter straight onto the throttle body (and a heat shield that loosely fitted around attached to the lid. Intake temps would get horrible. I can't imagine it would be a great addition on any car that wasn't just on open roads all the time.
The later 996 Cup used a big carbon fiber heat shield that sealed against the lid. It was a decent improvement in terms of intake temps over the early cone setup.
Not directly of use of course but the one thing these cars have going for them is that they run intake temp sensors. As a result it was possible to see how the temp varied as soon as you dropped speed. This alone would put me off sticking a cone filter thing back there with that little heat partition.
The factory intake setup is pretty good IMHO in terms of performance and I haven't seen a difference with running a sports type filter instead of the oem one but YMMV. The 997.2 Cup with the 3.8 was delivered with the same air filter as the road car.
For sound, you should look at getting rid of those heavy heat holding side silencers and run just a rear box. I am never sure why people dump the back box and keep these things on, I guess its to keep the sport button?
Heres a startup on my car if you want a listen. Recorded out side on my phone so not the greatest video or sound quality but it is still fun. Those fabspeed recordings are done indoors (save for the last one) which makes quite a difference to the sound levels.
https://vimeo.com/98766172
The later 996 Cup used a big carbon fiber heat shield that sealed against the lid. It was a decent improvement in terms of intake temps over the early cone setup.
Not directly of use of course but the one thing these cars have going for them is that they run intake temp sensors. As a result it was possible to see how the temp varied as soon as you dropped speed. This alone would put me off sticking a cone filter thing back there with that little heat partition.
The factory intake setup is pretty good IMHO in terms of performance and I haven't seen a difference with running a sports type filter instead of the oem one but YMMV. The 997.2 Cup with the 3.8 was delivered with the same air filter as the road car.
For sound, you should look at getting rid of those heavy heat holding side silencers and run just a rear box. I am never sure why people dump the back box and keep these things on, I guess its to keep the sport button?
Heres a startup on my car if you want a listen. Recorded out side on my phone so not the greatest video or sound quality but it is still fun. Those fabspeed recordings are done indoors (save for the last one) which makes quite a difference to the sound levels.
https://vimeo.com/98766172
Edited by fioran0 on Friday 20th June 22:34
fioran0 said:
Is the rear muffler delete done to keep the sports button active on the side cans. Can you pass track day noise levels with a rear delete and the rest in place?
Keeping the sports button active can be useful. Usually but you can also add decible devils or similar to bring the level back down a notch
fioran0 said:
FWIW, the early 996 cup ran a cone type filter straight onto the throttle body (and a heat shield that loosely fitted around attached to the lid. Intake temps would get horrible. I can't imagine it would be a great addition on any car that wasn't just on open roads all the time.
The later 996 Cup used a big carbon fiber heat shield that sealed against the lid. It was a decent improvement in terms of intake temps over the early cone setup.
Not directly of use of course but the one thing these cars have going for them is that they run intake temp sensors. As a result it was possible to see how the temp varied as soon as you dropped speed. This alone would put me off sticking a cone filter thing back there with that little heat partition.
The factory intake setup is pretty good IMHO in terms of performance and I haven't seen a difference with running a sports type filter instead of the oem one but YMMV. The 997.2 Cup with the 3.8 was delivered with the same air filter as the road car.
For sound, you should look at getting rid of those heavy heat holding side silencers and run just a rear box. I am never sure why people dump the back box and keep these things on, I guess its to keep the sport button?
Heres a startup on my car if you want a listen. Recorded out side on my phone so not the greatest video or sound quality but it is still fun. Those fabspeed recordings are done indoors (save for the last one) which makes quite a difference to the sound levels.
https://vimeo.com/98766172
Thank you for this post The later 996 Cup used a big carbon fiber heat shield that sealed against the lid. It was a decent improvement in terms of intake temps over the early cone setup.
Not directly of use of course but the one thing these cars have going for them is that they run intake temp sensors. As a result it was possible to see how the temp varied as soon as you dropped speed. This alone would put me off sticking a cone filter thing back there with that little heat partition.
The factory intake setup is pretty good IMHO in terms of performance and I haven't seen a difference with running a sports type filter instead of the oem one but YMMV. The 997.2 Cup with the 3.8 was delivered with the same air filter as the road car.
For sound, you should look at getting rid of those heavy heat holding side silencers and run just a rear box. I am never sure why people dump the back box and keep these things on, I guess its to keep the sport button?
Heres a startup on my car if you want a listen. Recorded out side on my phone so not the greatest video or sound quality but it is still fun. Those fabspeed recordings are done indoors (save for the last one) which makes quite a difference to the sound levels.
https://vimeo.com/98766172
Edited by fioran0 on Friday 20th June 22:34
It's the kind of real-life experience I was after and backs up my original thoughts of the filters just drawing in ambient hot air.
I am going to stick with the original factory air filter and intake now but maybe look into replacing the side silencers.
P.S Your car sounds like thunder!! Is that a straight through exhaust?
No probs. As I said, not directly relevant but something that could perhaps be worth looking in to on your car if you were going to go a cone filter route. The heat build up under town driving or with reduced speed may be worth it for any improvement in sound you could obtain but it may not be. That for individuals to decide.
There is actually a pair of cats and a silencer on my car. Factory system. With straight pipes it is significantly louder again. I also have a 997.2 Cup exhaust system in my garage that I may end up running longer term. It too has cats and a muffler but is a bit quieter in terms of overall volume both at idle and when driving around.
There is actually a pair of cats and a silencer on my car. Factory system. With straight pipes it is significantly louder again. I also have a 997.2 Cup exhaust system in my garage that I may end up running longer term. It too has cats and a muffler but is a bit quieter in terms of overall volume both at idle and when driving around.
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