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Air filter

(18 products)
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18
649
products
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18
649
products
found
Product type
Air filter Bell mouth
Air filter connection
16mm 19mm 20mm 25mm 28mm 32mm 34mm 35mm 37mm 38mm 39mm 40mm 42mm 43mm 44mm 46mm 48mm 49mm 50mm 51mm 55mm 56mm 57mm 60mm 61mm 62mm 70mm
Angle
30 degrees 45 degrees 90 degrees straight
Colour
Black Blue Chrome Gold Green Orange Red Yellow
Brand
Doppler Malossi Polini Stage6 Standard Parts STR8 Voca Racing
Price
Reset filters
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Your filters:
40mm 48mm
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Stage6
Bellmouth with grille 46 - 55mm Stage6 Yellow
Article no.: S6-35040/YE

Bellmouth with grille 46 - 55mm Stage6 Yellow

21,50 €
In stock
Stage6
Bellmouth with grille D.45 - 55mm Stage6 Green
Article no.: S6-35040/GR

Bellmouth with grille D.45 - 55mm Stage6 Green

21,50 €
In stock
Stage6
Bellmouth with grille D.46 - 55mm Stage6 Blue
Article no.: S6-35040/BL

Bellmouth with grille D.46 - 55mm Stage6 Blue

21,50 €
In stock
Stage6
Bellmouth with grille D.46 - 55mm Stage6 Orange
Article no.: S6-35040/OR

Bellmouth with grille D.46 - 55mm Stage6 Orange

21,50 €
In stock
Stage6
Bellmouth with grille D.46 - 55mm Stage6 Red
Article no.: S6-35040/RE
1

Bellmouth with grille D.46 - 55mm Stage6 Red

21,50 €
In stock
Stage6
Bellmouth with grille D.46 - 55mm Stage6 Black
Article no.: S6-35040/BK
1

Bellmouth with grille D.46 - 55mm Stage6 Black

21,50 €
In stock
Stage6
Racing Air Filter Stage6 d.28 - 48mm black
Article no.: S6-35015/BK
2

Racing Air Filter Stage6 d.28 - 48mm black

36,50 €
In stock
Malossi
Air Filter Malossi E5 30° 50mm PWK/VHST black
Article no.: M043075C0

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

23,00 €
In stock
27,00 €
-15% Discount
Sale
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

28,00 €
In stock
RRP
30,00 €
-7% 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

11,00 €
In stock
RRP
14,00 €
-21% Discount
Sale
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 €
In stock
RRP
30,00 €
-12% Discount
Standard Parts
Bellmouth / Trumpet PWK H.76mm gold
Article no.: CGN518714

Bellmouth / Trumpet PWK H.76mm gold

11,50 €
In stock
Standard Parts
Bellmouth / Trumpet PWK H.45mm red
Article no.: CGN518713

Bellmouth / Trumpet PWK H.45mm red

11,50 €
In stock
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 €
In stock
RRP
55,00 €
-9% 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

33,00 €
In stock
Stage6
Racing Air Filter Stage6 d.28 - 48mm red
Article no.: S6-35015/RE

Racing Air Filter Stage6 d.28 - 48mm red

33,00 €
In stock soon
RRP
36,50 €
-10% 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

47,00 €
In stock soon
RRP
51,50 €
-9% 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

9,30 €
In stock soon
RRP
9,90 €
-6% 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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