no boost is wasted pumping sound into the cabin LMAO!!!!! The sound is from the Intake. I think is sounds good. Also the size of the chamber is not that relavant to boost pressure. If it was on the boost side performance wouldnt change with either pipe. Unless you would count the wasted boost going into the cabin for sound LMAOLMAOLMAO
V
Removing the noise-adder from GTI
- Thread starter plac
- Start date
plac
GTI Master
- Location
- SF Bay Area, CA
It is on the boost side. Go to that Vortex thread if you want a huge discussion on that.
plac
GTI Master
- Location
- SF Bay Area, CA
in real loose terms, it sounds like a CAI to me. roughly..
This noise maker pipe IS on the intake side of the engine, but it is ALSO after the turbo, which makes it a pressurized part. Boost IS wasted by having to take the time to fill this volume to make sound(simple physics).
The sound is kinda intake'ish at high rpms.
For those who care the removal of this noisemaker pipe MIGHT(unconfirmed) improve boost RESPONSE, not actual boost figures.
Chris from PD Performance has built some seriously fast VW's, he has extensive knowledge of all things VAG turbo and has several custom built 400+hp 1.8t engines under his belt. And while I don't always agree with his manner of arguement, I do trust his knowledge and experience. You guys can trash talk him all you want, I don't care, and i'm sure he doesn't either, but I do think you should know that he does know of what he speaks. He's been working on 2.0t's for alot longer than any of us has had our mk5's.
If you want the sound, keep it in.
If you take it off, don't expect to win any races because of it's removal. It's simply not critical to overall performance.
The sound is kinda intake'ish at high rpms.
For those who care the removal of this noisemaker pipe MIGHT(unconfirmed) improve boost RESPONSE, not actual boost figures.
Chris from PD Performance has built some seriously fast VW's, he has extensive knowledge of all things VAG turbo and has several custom built 400+hp 1.8t engines under his belt. And while I don't always agree with his manner of arguement, I do trust his knowledge and experience. You guys can trash talk him all you want, I don't care, and i'm sure he doesn't either, but I do think you should know that he does know of what he speaks. He's been working on 2.0t's for alot longer than any of us has had our mk5's.
If you want the sound, keep it in.
If you take it off, don't expect to win any races because of it's removal. It's simply not critical to overall performance.
plac
GTI Master
- Location
- SF Bay Area, CA
just my write up after trying this new pipe.
Overview:
Well..... Unless someone is really obsessed, it prob isnt worth the trouble. No, i dont have boost logs and charts, I dont feel the need to get that level of information for my own decision. So from just a normal driving point of view..
Noise:
Some noise is gone. It's hard to pinpoint exactly what is gone. There is still some intake noise, but the exhaust is now hearable in the high rpms to 6k+, where before I swapped the pipes, all you really hear is front roar. The exhaust doesn't sound quite as good to me now that I can hear it fully. I think the very nice tone in this car is attributed to both the intake noise tube combined with the exhaust. They go well together to produce a sharp crisp tone. It just didnt sound as good to me with this noise-less pipe.
Power:
The power is fairly impossible to quantify from just a driving perspective. That means its very hard to tell. I dont think the car "felt" any faster. I dont have a gauge to see if the boost climbed to spec .5 seconds faster either.
Conclusion:
I will be putting the GTI pipe back in for now. I didn't see enough benefits to taking it out, and I definetely lost some tone which I enjoyed. Since I saw no increased/sooner power availability or spool up, there is no reason for me to keep the A3 pipe in. (I dont plan to sell it, I may change my mind someday again..)
Overview:
Well..... Unless someone is really obsessed, it prob isnt worth the trouble. No, i dont have boost logs and charts, I dont feel the need to get that level of information for my own decision. So from just a normal driving point of view..
Noise:
Some noise is gone. It's hard to pinpoint exactly what is gone. There is still some intake noise, but the exhaust is now hearable in the high rpms to 6k+, where before I swapped the pipes, all you really hear is front roar. The exhaust doesn't sound quite as good to me now that I can hear it fully. I think the very nice tone in this car is attributed to both the intake noise tube combined with the exhaust. They go well together to produce a sharp crisp tone. It just didnt sound as good to me with this noise-less pipe.
Power:
The power is fairly impossible to quantify from just a driving perspective. That means its very hard to tell. I dont think the car "felt" any faster. I dont have a gauge to see if the boost climbed to spec .5 seconds faster either.
Conclusion:
I will be putting the GTI pipe back in for now. I didn't see enough benefits to taking it out, and I definetely lost some tone which I enjoyed. Since I saw no increased/sooner power availability or spool up, there is no reason for me to keep the A3 pipe in. (I dont plan to sell it, I may change my mind someday again..)
daigo
Oval Newbie
- Location
- Kuwana City, Mie Pref. JAPAN
- Car(s)
- Mkv GTI
Well, we don't have those "sound amplifier" for Japanese spec GTI, and Jetta GLI. I assume there will be no trouble by taking off these pipes.
The above pic is Japanese GTI, below one is US spec. You can see the extra pipe on the left side of lower pic. That is "sound amplifier" which we never know how it effects emotionally on our driving. Wish we could afford the pipes here... (no stock spec vehicle in Japan, no parts available)
The above pic is Japanese GTI, below one is US spec. You can see the extra pipe on the left side of lower pic. That is "sound amplifier" which we never know how it effects emotionally on our driving. Wish we could afford the pipes here... (no stock spec vehicle in Japan, no parts available)
Attachments
-
ENG comparison.jpg
plac
GTI Master
- Location
- SF Bay Area, CA
It effects very good emotions in the driving experience my friend.
MachSchnell
Rally Car Champion
- Location
- Wethersfield CT, USA
plac said:
X2 :thumbsup:
daigo
Oval Newbie
- Location
- Kuwana City, Mie Pref. JAPAN
- Car(s)
- Mkv GTI
How can I get one of this?
I asked my dealer, they cannot find the p/n....
I asked my dealer, they cannot find the p/n....
plac
GTI Master
- Location
- SF Bay Area, CA
Glad I have my own previous experience to go back on while I think about the changes I will make to my 2008.
