K&N, is it worth it?

Post by **dog** » Sun Oct 05, 2003 11:44 pm

The local Audi people don't service K&N filters so I have changed back to genuine. I am not sure if K&N makes any difference. My only problem is that lately I cant get better than 5.7s for 0-100. Although the tempreture is getting higher, about 24 degrees in Sydney.When I did 5.2 it was in Melbourne and 14 degrees only.

Post by **Ozz** » Mon Oct 06, 2003 12:19 am

You don't need K&N but better engine management, 5.XX is [img]images/graemlins/frown.gif[/img] [img]images/graemlins/033102bad_1_prv.gif[/img]

Post by **kiwi_mtm** » Mon Oct 06, 2003 6:32 am

You don't need K&N but better engine management, 5.XX is [img]images/graemlins/frown.gif[/img] [img]images/graemlins/033102bad_1_prv.gif[/img]

Do have a 600hp S4 !!
[img]images/graemlins/bowdown.gif[/img]
What size turbos do you have in that puppy. List out what you've done, i'm keen to hear!!

Dog, how are you measuring your 0>100 ?

Post by **dog** » Mon Oct 06, 2003 2:10 pm

With a G-tech.
I can't make it go any faster than 5.2. But I do not sidestep the clutch either. Any suggestions about take off technics are welcome.

Post by **dog** » Mon Oct 06, 2003 2:12 pm

Jaroslaw, I thought your car was blue from the RS4.0rg timees...

Post by **Sql_PL** » Mon Oct 06, 2003 11:02 pm

well, i think i have seen one blue rs4 from Poland on rs4.org messageboard... [img]images/graemlins/cool.gif[/img]

Post by **quattropaul** » Mon Oct 06, 2003 11:41 pm

Well i've fitted a K&N Filter to my S2 and i'm well pleased with it.There is a definate improvement in throttle response and a slight improvement in fuel consumption too [img]images/graemlins/thumbs.gif[/img]

Post by **DAVIDP20V** » Tue Oct 07, 2003 1:04 am

Is that a panel filter or Induction cone thing. because i thought there were problems with heat from turbo ? [img]images/graemlins/033102bad_1_prv.gif[/img]
is this the same with s4's rs4's etc ?

Post by **Dippy** » Tue Oct 07, 2003 1:20 pm

Dog,

The S4/S4 ECU works rather differently from many other Audi turbos. Located at the throttle body is a pressure sensor. The ECU uses this to sensor (amongst others) to control the wastegates in order to achieve exactly the demanded boost. So unless your car is modified such that the turbos are stuggling to achieve the demanded boost (in which case you'd probably be risking the engine!), there is no performance advantage of increasing induction airflow rate. I would agree that it could give a reliability advantage, unless of course the filter is oiled, which increases the risk of MAF contamination.

Post by **johneroberts** » Tue Oct 07, 2003 10:24 pm

In a word "NO" its not essential but it just makes it feel better [img]images/graemlins/grin.gif[/img]
Personally ive always used K&N s in all may cars and i sware by um
Cheers
jr

Post by **DAVIDP20V** » Wed Oct 08, 2003 12:02 am

john, is that a panel filter ? or the other type ? [img]images/graemlins/confused.gif[/img]

Post by **PhilT** » Wed Oct 08, 2003 8:45 am

We use the panels in the RS4. The Induction kits will suffer from the underbonnet heat.

Post by **dog** » Wed Oct 08, 2003 2:22 pm

Very interesting point Dippy!
Must check it out!

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