tonyt37

Active Member
Which is Best K&N or Pipercross? The filter on my TD4 is ready for a change. I was thinking of fitting something that a). Improves performance and b). I won't have to bugger about getting into so often.

Any body got any thoughts?

Thanks for your replies.:confused:
 
Tried a pipercross viper setup on my 1.8k and i'm now running a conical K&N. Out of the both i'd go for the K&N.
 
I have the K&N air filter that fits just like the original in the airbox , Perfect fit and only clean it & oil every 2 years , Just remember to drop of the battery lead for a while to reset the air sensor .
 
anyone who thinks they will get better performance by just fitting an air filter is misled.
and on a diesal aswell!!

you need to combine it with other mods to get any real benefits.
you may get a bit of induction noise thats about it.
the amazing new performance will all be in your head,if you think it goes better then k&n or pipercross have done there selling job
 
Didn't say there were many gains to be had, but it is noticable if you replace the whole airbox with a decent intake setup. Certainly a lot more responsive on the throttle, for the petrol anyway.

Even before i did any other modification to the engine, it was still noticable.
 
Didn't say there were many gains to be had, but it is noticable if you replace the whole airbox with a decent intake setup. Certainly a lot more responsive on the throttle, for the petrol anyway.

Even before i did any other modification to the engine, it was still noticable.

no u didnt but the op wanted performance gains on a diesal
 
Thanks DTO and Crewebiker. Noted that there may be only minimal performance improvement. I wouldn't have expected it to turn into a "fire breathing dragon" as others implicated.

I just want to replace in the existing box to reduce the maintenance requirements as its fiddly to swap and perhaps slightly improve performance.
 
Just to add you clean/oil the K&N every two years or replace the standard filter every two years so you don't reduce the maintenance requirements :doh:, The only gain is money saved on replacement filters as my K&N has been fitted for 7 years (you still have to buy the clean/oil kit) .
Cleaning EGR valve & changing crankcase filter are also a good idea .
 
i've never had any problems with either but unless its for a set of ram pipe socks i would go for K&N everyday
 

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