A quick video on how to do the resonator bypass for the 996 911 using a simple oil cap. 0:00 Introduction 1:25 mod installation 3:38 startup 3:47 test drive 4:53 review and conclusion
Let me set one thing straight . This intake mod works fine and has no issues with the electronic ECU etc ! The intake noise is a little more intense above 4000 rpm .. witch is very nice and satisfying to anyone who likes that kind of extra noise behind your ears ..😅 Actually I measured my performance speed on my 100-200km time with a 2 tenths of a second better than before .. And yes , someone said , that those engines are fragile ! That’s quiet right !! So in order to keep those engines long lasting ( keep aside other issues such as IMS and so on ) there is a need to warm up that motor !! That will mean , drive for approx 10 miles , so that your oil gets about 80 degrees Celsius !! And then you can start reving over 4000 rpm . Happy drive to all 996 lovers 🙏🏽😇😅 Same conditions and almost full tank .
I tried multiple combinations including the just "cap". The best is the silicon tube, with all the resonator parts removed from the airbox. I used a black plastic plumbing fitting and cap to seal the hole left in the airbox(It is a 40mm water tank fitting). Just take the lid of the airbox into the shop. This sounded the best but also help remove the obvious torque dip around 5500rpm.
Awesome glad to hear. However I have heard that it might decrease performance. I will take it to the dyno soon to see how it does, I will also run it without the resonator capped off. So hopefully I will know more!
The stock is ribbed and that slows down air flow … the “ugly hose” is ribbed and slows down air flow. To do this mod at its best is to use a smooth hose, cap the helmholz box opening … AND remove the helmholz box . . Now you have smooth flow to the TB & actually increased the available air in the air box .
Alright let me just start this out by saying I did the muffler delete modification. Not only was it loud but I definitely lost bottom end. I Removed it....I did this mod yesterday and not only does it sound better and raspier although not a whole lot louder there is definitely a performance gain at about 3K. The car is more responsive and spools up quicker. This is not my imagination as I had a really loud muffler on it and I noticed it the car slowed down. I am so happy with this mod my car so much more fun to drive now. I wish somebody would do a Dyno and some 0 to 60 times I'm sure there is a gain although maybe small you can feel it in the seat of your pants..996.2
You are trading more noise with less air/torque, when the intaking is in resonance, energy is wasted as induction noise. The primary purpose of the resonator is to improve air flow & secondary any unwanted acoustics. If you like the noise then it’s your choice! It’s a common misconception by marketing mis-information.
Thanks! What I read about it online, this btw confirms that wiki is not the best, that it’s mainly due to sound. Interestingly on my 997 I have not seen a similar contraption on the air box with the x51 package
The intake note on engines does not come from the airflow itself, the sound comes from the combustion chamber through the ports in the head into the intake manifold and makes it's way out through the throttle body/intake. It could be argued that energy is wasted in trying to reduce the sound (just like mufflers reduce sound at the cost of power). Almost every production car has some sort of resonator in the intake with the purpose of reducing NVH, it is not there for improved airflow or power. High specific output naturally aspirated engines in cars such as the GT3, E46 M3, E90 M3, etc. do not have any resonators on the intake side, they are designed for airflow and power and as a result scream!
@@911obsessedbingo there is absolutely definitely better throttle response after this mod. I actually couldn't believe the difference. I had to go drive the car some more.
With regards to the bits in the airbox, I have read that its frankly speaking pointless, that given the volume and speed of airflow increasing the volume will not yield anything. I was going to go the route of finding an spec plug/bung but couldn't find anything here in SK.
Thanks! Honestly I have no indications of it needing to be done, so rather not. I meant more that why bother with spending money on pointless upgrades when that budget could be better spent elsewhere. :-)
@@CarPlebs It's a great car and my daily. Every drive is as enjoyable than the previous. I've done some mods to it, and made it a bit more noisy, hence the question. I also daily drove a 85.5, 944. A blast to own and drive. A very practical sports car with the folding rear seat and the the boot space. Get one that has done the clutch. The rubber ones from factory are a menace after a few years!
@@CarPlebs I will have a good look again, but my view is that the air enters from the bottom below the filter, exits above the filter ,mainly via the main tube and via the MAF sensor but also up via the smaller tube that will be part of a venturi effect created by the suction from the intake area . perhaps the plastic box fitted inside the air filter box directly below the smaller outlet blocks the airflow but I struggle to see that the suction is downwards and not upwards?
BTW , I did mine last week and love the noise from 4500 rpm upwards. Afterwards I started to ponder on the airflow path and the possibility of disaster.
@@francoisvisagie3780 Hmmm.... I have spent some time on the topic by searching for the mod name + "suck" or "suction" and saw some people worry about the topic, however many more enjoying it and not worrying checking it after many months with no signs of wear. You could as a remedy tighten the "Y" section with another clamp to 1000% prevent the cap to pass through. Or you could remove completely. I will personally keep it as is.
