All Things Mk5 > Performance Modifications
Which Air Intake Position is best?....
cmdrfire:
--- Quote from: simonskerton on September 16, 2009, 09:46:08 am ---this is easily solved though, buy the forge twintake and you have two of the options covered. best of both worlds
--- End quote ---
Eeh, there's still the issue of turbulence caused by a y-pipe. As I recall you usually need some sort of aero device within the pipe to mix the air smoothly, otherwise turbulence can restrict the flow of air. I'm sure forge must have done something to sort it out but it's still a factor one must be aware of.
RedRobin:
--- Quote from: cmdrfire on September 16, 2009, 11:53:25 am ---
Eeh, there's still the issue of turbulence caused by a y-pipe. As I recall you usually need some sort of aero device within the pipe to mix the air smoothly, otherwise turbulence can restrict the flow of air. I'm sure forge must have done something to sort it out but it's still a factor one must be aware of.
--- End quote ---
....Until Forge can publish just how and why their Y-pipe works, the jury is staying out as far as I'm concerned. Forge will doubtless be totally confident in how it works but I still want to know how and why.
Msportman:
I've stuck with the OE airbox and a performance filter on my Stage 2 ED30 but I'm sure VW were happy when they researched and developed the current set especially as they use a similar system on their race cars.
Janner_Sy:
--- Quote from: Msportman on September 16, 2009, 07:25:14 pm ---I've stuck with the OE airbox and a performance filter on my Stage 2 ED30 but I'm sure VW were happy when they researched and developed the current set especially as they use a similar system on their race cars.
--- End quote ---
you cant ignore the fact that they have got rid of the integrated engine cover/airbox with the new TSI for an induction pipe running from the ram scoop to the turbo. surely that shows the std airbox was restictive, but the scoop in the grill is ok
Keith@APR:
--- Quote from: simonskerton on September 16, 2009, 10:44:01 pm ---
--- Quote from: Msportman on September 16, 2009, 07:25:14 pm ---I've stuck with the OE airbox and a performance filter on my Stage 2 ED30 but I'm sure VW were happy when they researched and developed the current set especially as they use a similar system on their race cars.
--- End quote ---
you cant ignore the fact that they have got rid of the integrated engine cover/airbox with the new TSI for an induction pipe running from the ram scoop to the turbo. surely that shows the std airbox was restictive, but the scoop in the grill is ok
--- End quote ---
You will not find a higher pressure zone of incoming air outside of the engine bay other than the leading edge of the hood right where it meets the grille. This means the OEM scoop location is by far the best spot. If anyone can produce wind tunnel data that relays differently I am all ears but VAG's own wind tunnel testing proves this quite handily.
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