A filter used to reduce particulate count in air prior to air entering the throttle body or carburetor of an internal combustion engine.

learn more… | top users | synonyms

5
votes
2answers
43 views

Which types of air filters are best at filtering, without causing notable problems?

What makes an air filter better or worse than an OEM air filter at removing debris and reducing engine wear?
5
votes
1answer
226 views

Carburettor jetting on installation of aftermarket air filter

I have a 150cc motorcycle and am planning to install an after market air filter(K&N) since the stock one was favoring fuel efficiency and not performance. The bike has a carburetor (Mikuni) not ...
22
votes
6answers
1k views

When is a cold air intake system beneficial?

Cold air intake must be one of the popular mods there is, and one subject to the most controversy as well. Manufacturers of such systems advertise 5-20 HP gains, yet there are claims that this mod ...
7
votes
1answer
46 views

Dirty air filter seal

Whenever I have had work done in the past that I can't perform myself, timing belt etc every garage I have been too has made a real mess with my air filter. When I check the filter there is always ...
6
votes
2answers
4k views

Car is sluggish, jerking and idles rough.

I have a VW Polo Classic, 1.6L. Just recently it started to be slightly jerky when in idle and whilst driving. There is also a loss of power, a strong fuel smell, and sounding slightly like a VW ...
3
votes
4answers
1k views

Suzuki Access stops running during rains

My Suzuki Access stops running even when there is very little rain or when there is very little water in the roads. Every time when I take it to the mechanic, there is water logged inside the air ...
2
votes
2answers
208 views

Do I need to reprogram ECU when adding custom Air filter

I was thinking of replacing the air filter of a bike into a custom free flow filter. I understand that I have to mod the exhaust to free flow as well to accompany the increase in exhaust due to the ...
2
votes
3answers
108 views

Can a performance air filter cause a car to burn oil?

My oil light recently came on in my car. I parked on the side and checked it. There was none on the stick. I added 1 liter and drove about 500m to my garage. I asked him to do an oil change and to ...
1
vote
1answer
51 views

oil spots on Air Filter

I have Matiz 1.0 with 122K Km on the meter. Today i noticed oil on air filter after inspection i found this might be coming from PCV hose(green highlighted one) and then inspected the PCV valve. ...
4
votes
1answer
107 views

Oiling lawn mower air filters

Why does the air filter on a lawn mower need to be oiled? Is it true that major engine damage will occur if the intake air filter is not oiled?
3
votes
1answer
144 views

How do I know where to place my air filter?

I am thinking of buying a performance air filter for my 2001 SEAT Ibiza (6K2). The reason I'm considering this is because my stock filter needs replacing and I figured I might as well do it right the ...
3
votes
1answer
124 views

2002 Honda Civic Si Air Box

I am about to replace a cracked air box on my 2002 Honda Civic Si. The one question I have is how do I get the old air box bolts out of the old air box top half and into the new one since it did not ...
7
votes
5answers
4k views

Do premium air filters perform better than standard air filters?

I went in for an oil change recently and the Jiffy Lube technician tried to up sell me on buying a better oil for my car, and on buying a more expensive air filter. My car is a fairly normal compact ...
5
votes
7answers
7k views

How to Clean a Paper Air Filter

I have a 1989 Yamaha FZX 750, and I can't find a replacement air filter for it. What's the best method to clean the air filter?
3
votes
4answers
433 views

Are there any performance hits using washable/renewable air filters?

Would the use of re-usable (a la K&N) air filters, bring any performance drops? I've heard stories from both sides of the argument.
6
votes
2answers
349 views

Does gasoline ruin an air filter?

The carburetor on my 2005 Honda Shadow Aero (VT750C) had a bad leak and flooded the air cleaner assembly with gasoline. The air filter was completely soaked with gas, so I let it air dry. Is my ...
3
votes
3answers
273 views

Are there any negative sides to using multiple air filters?

My question is actually quite simple. Do you get any performance/sound/feel differences while driving with multiple air filters? For example, the stock filter that's built into most engines: and an ...
3
votes
3answers
727 views

Can you rinse air filters with water?

I have been told twice now that my air filters are really dirty and need to be replaced. They're roughly $40 each and it seems totally unnecessary to completely replace them. Can they just be rinsed ...
3
votes
2answers
8k views

What are the pros and cons of installing an filter on a bike?

What are the advantages and disadvantages of installing high performance air filters (K&N,Green cotton,etc.) over original filter? What are the changes/working occur internally?
2
votes
1answer
268 views

Should I replace my oil bath air filter with a normal one?

I have a 1959 Nash Metropolitan with an oil bath air filter. Would you recommend just leaving it alone or should I replace it with a modern air filter? (The replacement looks the same from the outside ...
4
votes
4answers
3k views

How do I know if my air filter needs replacing?

They say when an air filter is dirty, you should replace it. However, I'm just not sure how "dirty" is dirty? Is there some sort of easy test to determine whether I need to replace it?
2
votes
2answers
2k views

Should I get a reusable/washable air filter for my Kia Soul?

I've got a 2010 Kia Soul, and I was wondering if I should get a reusable/washable air filter, such as the K&N 33-2960. The reasons I would think to get such an air filter would be: Save on the ...