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

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24
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6answers
2k 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 ...
11
votes
4answers
328 views

Cold Air Intake and Engine Wear

I'm contemplating whether or not to retrofit my car with a cold-air intake and performance air filter. Will doing so lower the lifespan of my engine? That is to say, increase likelihood of engine ...
10
votes
1answer
80 views

Is it possible to fit mashroomhead air filter in Honda Stunner CBF 125?

I have Honda Stunner CBF 125 2009 model. I just need to know is it possible to replace the typical air filter with mashroomhead air filter to improve the bike performance? Is there any other way ...
8
votes
5answers
6k 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 ...
8
votes
1answer
118 views

Why go for aftermarket air filters?

If aftermarket air filters tend to increase the performance of a vehicle, why don't vehicle manufacturers install something similar that is manufactured by themselves in order to increase ...
8
votes
1answer
355 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 ...
7
votes
3answers
10k 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?
7
votes
1answer
66 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
4answers
303 views

Do air filters purifty air better with age?

I have been reading in a few places that air filters get better with age, is this true? And how much better? Would it have any effect on quality of the oil or make oil dirty faster? Or is there ...
6
votes
2answers
455 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 ...
6
votes
4answers
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 ...
6
votes
2answers
73 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
7answers
8k 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?
5
votes
1answer
69 views

Bike currently running rich due to aftermarket exhaust, will adding an aftermarket air filter without any ecu work fix it

I have an MV Agusta Brutale 675 with a GPR Carbonox slip on installed. The air filter is stock and no work has been done on the ECU. My problem is: at this state it's running rich as one can smell un ...
4
votes
4answers
453 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.
4
votes
2answers
363 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 ...
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?
4
votes
1answer
119 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
3answers
352 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
875 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
1answer
43 views

Can we determine the Cleaning Requirement of Air Filter Using OBD

Many a times, the dealer guy says that the unclean air filter consumes more fuel as compared to clean. So, my question is, is this really related to air filter? If yes, can we determine the case using ...
3
votes
1answer
156 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
134 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 ...
3
votes
4answers
2k 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
3answers
215 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 ...
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 ...
2
votes
1answer
283 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 ...
2
votes
1answer
53 views

KTM Duke 200, Broken Airbox

My duke generates an odd noise and when I looked under my seat what I saw was an open air filter box because of the broken screws. When I took my bike to the service center what they told was to ...
1
vote
1answer
75 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. ...