Only engine mods is a K&N filter...Highway, I have seen as high as 31mpg.
Pros: high MPG on highway
Vehicle:
Volkswagen
Reviews of K&N parts For Business
Average Rating
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The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
3.9
Manufacturer Ranking
#90
429
Spare Parts
6
Country
USA
Website
knluftfilter.com
Spare Parts
Comparisons
I also changed spark plugs, oem bosch are not to expensive at any parts place. I changed the air filter to a K&N, I am running motul diff and engine oils now.
Pros: easy to install
I use mobil 1 0w-40 and k&n filters - when you buy a filter, get the oversized one that VW approved a while back - with k&n part number HP-3001 vs the stock HP-2005 - big ol' hoss filter but screws right on, takes an extra half quart of oil to fill it up :laugh:
Pros: oversized filter, better cleaning
Cons: extra half quart needed
Vehicle:
Volkswagen
Part number: HP-3001
Just arrived from ECS, I installed my smoked tail lights on my '08 wagon. Has the Euro version rear fog. When signaling they change from red to amber when blinking, unlike the US version is always red. And the internal housing of the lights that are normally chrome are blacked out. Love'em.
Pros: amber signal, blacked out housing
Vehicle:
Volkswagen Passat
You get a few more MPG and with the windows down you can hear the turbo a little better.
Pros: more MPG, better turbo sound
Vehicle:
Volkswagen
You'd have to have the oil really dripping off the filter for it to get sucked in. K&n have done testing , and they couldnt get oil to come off the K&N even when they over oiled it, and even when they did get oil on maf's they still worked fine
Pros: oil doesn't come off easily
Cons: over oiling possible
Been using K&N filters on my 1.8t's with Royal Purple Oil. The two combined seems to leave very little to almost no build up of metal particles on my magnetic drain plug.
Pros: no metal particle buildup
Vehicle:
Volkswagen
Basically...modest if any gains involved with going with a straight drop in.....the only real benefit IMO....is that for the $60 air filter...you never have to buy another one again...that's the main benefit as far as I'm concerned.
Pros: never buy another one
Cons: modest if any gains
Vehicle:
Volkswagen
im glad others have had a positive experience but mine was not so good. Used one once on my old Golf and it came apart inside the housing. Wrote a letter, they said it was an isolated few that were assembled poorly. Got reimbursed and coupon for other K&N products.
Pros: Got reimbursed for product
Cons: came apart inside housing
Vehicle:
Volkswagen Golf
K&N filters let in too much dirt when they get older & after a few washes following instructions you can see right through them. Then when oiled, dust plugs them up very fast. When over oiled, the oil can destroy the MAF. All in all not worth the $60 for a panel.
Cons: lets in dirt, plugs fast, oil damages MAF, not worth price
Vehicle:
Volkswagen
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