All Things Mk5 > Performance Modifications
Panel filters
Aparoon:
I have bought a vwr panel filter it should be here tomorrow, it does say on the sight theat they found a 15nm increase so hopefully it will be a nice cheap little mod :jumpmove:
Im torn now between getting an exhaust for a bit more power and noise or getting some sportlines as they look 8)
decisions :rolleye:
Boothy:
Not sure if this would be better on a separate thread but out of curiosity what's the general consensus on filters? Pro's & Cons etc?
Am I right in thinking that the panel filter suffer less heat soak and also produce a considerable amount of low end torque than the induction kits and if so what is the real advantage of one compared to a decent panel filter. I've had numerous induction kits on previous cars and always loved the additional noise that came with them but this idea that they just don't do anything for performance puts me off buying another one for the GTi. Surely the air is already hot after passing through the turbo and other engine parts etc anyway?
It seems like the VWR panel filter is very good which sorts that if I decide to go down that line but what about the induction kits and which seem offer the best results all round from peoples experience? I've also seen a thread on smoothing the air box out inside to give even better results with a panel filter. Has anyone done this and noticed an improvement :confused:
RedRobin:
--- Quote from: Boothmeister on July 13, 2009, 06:21:36 pm ---Not sure if this would be better on a separate thread but out of curiosity what's the general consensus on filters? Pro's & Cons etc?
Am I right in thinking that the panel filter suffer less heat soak and also produce a considerable amount of low end torque than the induction kits and if so what is the real advantage of one compared to a decent panel filter. I've had numerous induction kits on previous cars and always loved the additional noise that came with them but this idea that they just don't do anything for performance puts me off buying another one for the GTi. Surely the air is already hot after passing through the turbo and other engine parts etc anyway?
It seems like the VWR panel filter is very good which sorts that if I decide to go down that line but what about the induction kits and which seem offer the best results all round from peoples experience?
I've also seen a thread on smoothing the air box out inside to give even better results with a panel filter. Has anyone done this and noticed an improvement :confused:
--- End quote ---
....I don't have any experience of anything other than panel filters (yet!) but have read a lot about them. The consensus is that 'filters on a pipe' induction kits are better performers than flat panel filters, but neither represent good 'bang for your buck' like a remap does.
However, taking the principle of engines needing air, then surely aftermarket filters will improve efficiency and so contribute something. It's probably a bit like performance exhausts - They don't do much except to throttle response and sound until you also have an ECU remap. I've also been told that an intake coupled with a performance exhaust will help each other.
Regarding smoothing the airbox inside, the Carbonio ram interior is very smooth indeed. Or do you mean smoothing the stock engine cover filter box internally? - I have never heard of anyone doing that.
Some induction kits can be too noisy for some - The EVOMS is particularly raspy for example. Current fashion is not to hear boy-racer blow off dumping noises.
Filter maintenance and sound are important considerations.
Something I don't understand is why the oem air intake rams are so extremely convoluted. It concerns me that there may be a good reason as my Carbonio is the opposite.
Boothy:
I've posted the link to 'smoothing' the factory air intake box. It would seem to make sense I suppose but I really am missing the growl that come with a decent induction kit though.
http://www.golfgtiforum.co.uk/index.php?topic=87356.0
SteveP:
^^^ The airbox design on the Mk5 is very different to the Mk4 one shown in your link so I would doubt there would be as much you can do with the Mk5 airbox.
I have tried two different panel filters (an ITG and Pipercross), and both gave very similar results.
I am now trying an intake system that attaches to the standard airbox and draws the air from the inner wing area.
However if your looking to go for the likes of stage 2 code and turbo back exhausts then a true CAI would be my choice. There is now the forge twintake to consider as well as a new intake on it's way from ITG. :happy2:
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