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Air filter

(15 products)
Carburetor and Intake Carburetors Intake Manifolds Reed Valves and Petals Carburetor Accessories Jets Fuel System Air filter Injection System
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226
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15
226
products
found
Product type
Air filter Bellmouth
Air filter connection
20mm 25mm 28mm 32mm 34mm 35mm 37mm 38mm 39mm 40mm 42mm 43mm 44mm 46mm 48mm 49mm 50mm 51mm 52,5mm 52mm 55mm 56mm 57mm 60mm 62mm 70mm
Angle
30 degrees 45 degrees 90 degrees straight
Colour
Black Blue Chrome Orange Red White
Brand
Doppler Malossi Polini Stage6 Standard Parts STR8 Voca Racing
Price
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44mm 48mm
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Stage6
Air Filter Stage6 Drag Race 44/50mm TM24/PWK/VHST white
Article no.: S6-35058/WH
7

Air Filter Stage6 Drag Race 44/50mm TM24/PWK/VHST white

48,00 €
In stock
RRP
53,00 €
-9% Discount
Stage6
Air Filter Stage6 Drag Race 44/50mm TM24/PWK/VHST orange
Article no.: S6-35058/OR
6

Air Filter Stage6 Drag Race 44/50mm TM24/PWK/VHST orange

48,00 €
In stock
RRP
53,00 €
-9% Discount
Stage6
Air Filter Stage6 Drag Race 44/50mm TM24/PWK/VHST blue
Article no.: S6-35058/BL
8

Air Filter Stage6 Drag Race 44/50mm TM24/PWK/VHST blue

48,00 €
In stock
RRP
53,00 €
-9% Discount
Malossi
Air Filter Malossi E5 30° 50mm PWK/VHST black
Article no.: M043075C0

Air Filter Malossi E5 30° 50mm PWK/VHST black

27,00 €
In stock
Malossi
Air Filter Malossi E5 48mm PHF 30°
Article no.: M043075.50

Air Filter Malossi E5 48mm PHF 30°

19,00 €
In stock
RRP
24,00 €
-21% Discount
Doppler
Air Filter Doppler Venturi 2010 48-50mm PWK/VHST black
Article no.: CGN504385
1

Air Filter Doppler Venturi 2010 48-50mm PWK/VHST black

26,00 €
In stock
RRP
30,00 €
-13% Discount
Sale
Str8
Air Filter STR8 Powerfilter Shorty type KN 42 - 55mm chrome
Article no.: STR-346.77/CR

Air Filter STR8 Powerfilter Shorty type KN 42 - 55mm chrome

9,60 €
In stock
RRP
9,90 €
-3% Discount
Str8
Air Filter STR8 Powerfilter type KN 35 - 50mm chrome
Article no.: STR-346.78/CR

Air Filter STR8 Powerfilter type KN 35 - 50mm chrome

6,50 €
In stock
RRP
9,90 €
-34% Discount
Sale
Str8
Air Filter STR8 Powerfilter Shorty type KN 42 - 55mm red
Article no.: STR-346.77/RE

Air Filter STR8 Powerfilter Shorty type KN 42 - 55mm red

5,90 €
In stock
RRP
9,90 €
-40% Discount
Sale
Polini
Bellmouth Polini D.44mm blue
Article no.: P203.1501

Bellmouth Polini D.44mm blue

23,50 €
In stock
RRP
27,00 €
-13% Discount
Doppler
Air Filter Doppler Venturi 45° 48-50mm PWK/VHST black
Article no.: CGN504384

Air Filter Doppler Venturi 45° 48-50mm PWK/VHST black

28,00 €
In stock
RRP
33,00 €
-15% Discount
Sale
Voca Racing
Bellmouth Voca 48-50mm PWK/VHST aluminium
Article no.: VCR-RD13.EMB/48
3

Bellmouth Voca 48-50mm PWK/VHST aluminium

13,50 €
In stock soon
RRP
14,00 €
-4% Discount
Standard Parts
Air Filter extra flat 28 - 44mm black / red
Article no.: A114220F

Air Filter extra flat 28 - 44mm black / red

36,00 €
In stock soon
Polini
Air Filter Polini Big Evolution 48-50mm PWK/VHST straight
Article no.: P203.0150
4

Air Filter Polini Big Evolution 48-50mm PWK/VHST straight

26,50 €
Currently not in stock
RRP
30,00 €
-12% Discount
Polini
Air Filter Polini Big Evolution 48-50mm PWK/VHST 90°
Article no.: P203.0159

Air Filter Polini Big Evolution 48-50mm PWK/VHST 90°

50,00 €
Currently not in stock
RRP
55,00 €
-9% Discount

Air filters: clean air for maximum performance

The air filter ensures that the engine draws in clean air, as the entry of foreign objects seriously compromises reliability. Regardless of the vehicle type, clean air is an indispensable requirement. Furthermore, an overly restricted airflow harms performance. This is why manufacturers and tuners often optimize the filter system to achieve the best compromise between flow and filtration.

Optimized performance with open air filters

Racing, Sport, or Original?

In general, the air volume must be increased as engine performance or displacement increases.

For 50cc motorcycles and scooters, the original airbox is designed for limited power only. Therefore, for larger cylinder kits, it is recommended to use a racing air filter that attaches directly to the carburetor, or a larger airbox such as kart-style airboxes.
If you do not increase the displacement, you can still improve filtration by replacing the original air filter with a pod air filter, usually made of dual-layer foam with two different densities.
For motocross, enduro, or general off-road use, it is better to keep a closed airbox, as these machines are used in extreme conditions like dust or mud. The filter should therefore be protected as much as possible against splash water, mud, and dust. Usually, the volume of the original airbox is sufficient for these engines, but the airflow can be further improved using Powerflow kits from brands like Twin Air or perforated airbox covers.

Important note: If you upgrade from a standard air filter element in the airbox to an open air filter, you must readjust your carburetor with different jets.

Air filter maintenance

Improving airflow does little good if you do not take the time to maintain your equipment. It is important to clean or replace the air filter as often as necessary, which also applies to vehicles that have not been tuned.

For motorcycles and scooters with an original airbox, you can find the maintenance intervals in the owner's manual.
With intensive use or a filter upgrade, you should be even more vigilant and regularly check the condition of your filter. A dirty filter cannot provide adequate airflow, which leads to a loss of performance.

For off-road use, you should check the condition of the air filter after every ride. On a very dusty motocross day, it is even sensible to have a spare filter ready for a mid-day swap.

It is best to use special air filter cleaner and an air filter oil that protects the foam from water and fine particles.

Air filters in our shop

We offer various high-quality air filter brands on our site, such as Polini, Moose Racing, Twin Air, Top Performance, YCF, Motoforce, STR8, Stage6, and many others.

In addition to engine performance, you can also replace your filter for aesthetic reasons. That is why we also carry numerous custom air filters with original designs, unique shapes, and in many colors.

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