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Air filter

(12 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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12
226
products
found
Product type
Air filter Air filter box Bell mouth
Air filter connection
20mm 25mm 28mm 32mm 34mm 35mm 37mm 38mm 39mm 40mm 42mm 43mm 44mm 46mm 48mm 49mm 50mm 51mm 55mm 56mm 57mm 60mm 62mm 70mm
Angle
45 degrees 90 degrees straight
Colour
Black Blue Carbon Chrome Silver
Brand
Dell'Orto Doppler Polini STR8
Price
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37mm
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Str8
Air Filter STR8 E5 45° 35mm matte carbon / red
Article no.: STR-335.02/CM

Air Filter STR8 E5 45° 35mm matte carbon / red

14,50 €
In stock
RRP
16,50 €
-12% Discount
Str8
Air Filter straight adjustable intake d.35mm blue
Article no.: STR-335.10/BL

Air Filter straight adjustable intake d.35mm blue

8,50 €
In stock
RRP
24,00 €
-65% Discount
Doppler
Air Filter Box Doppler Air Box silver
Article no.: CGN468871

Air Filter Box Doppler Air Box silver

24,00 €
In stock
RRP
26,00 €
-8% Discount
Sale
Doppler
Air Filter Box Doppler Air Box black
Article no.: CGN468867
7

Air Filter Box Doppler Air Box black

28,00 €
In stock
RRP
30,00 €
-7% Discount
Sale
Polini
Air Filter Polini Air Box 125x65mm 37/38mm PHBG/PHBL 90°
Article no.: P203.0096
12

Air Filter Polini Air Box 125x65mm 37/38mm PHBG/PHBL 90°

20,00 €
In stock
RRP
21,00 €
-5% Discount
Str8
Air Filter STR8 Helix chrome
Article no.: STR-330.22/CR
13

Air Filter STR8 Helix chrome

8,50 €
In stock
RRP
19,50 €
-56% Discount
Str8
Air Filter STR8 Helix carbon look glossy
Article no.: STR-330.22/CC
3

Air Filter STR8 Helix carbon look glossy

8,40 €
In stock
RRP
19,50 €
-57% Discount
Str8
Air Filter Helix real carbon look
Article no.: STR-330.22/CA
8

Air Filter Helix real carbon look

6,80 €
In stock
RRP
19,50 €
-65% Discount
Polini
Luftfilter Polini Air Box 115x80mm 37/38mm PHBG/PHBL 30°
Article no.: P203.0091
15

Luftfilter Polini Air Box 115x80mm 37/38mm PHBG/PHBL 30°

20,00 €
In stock
RRP
22,00 €
-9% Discount
Polini
Air Filter Polini Air Box 100x80mm 37/38mm PHBG/PHBL straight
Article no.: P203.0081
2

Air Filter Polini Air Box 100x80mm 37/38mm PHBG/PHBL straight

21,50 €
In stock
RRP
22,00 €
-2% Discount
Dell'Orto
Air Filter Adapter Dellorto PHBG (37mm)
Article no.: L-DEL1648200-82

Air Filter Adapter Dellorto PHBG (37mm)

13,00 €
In stock
15,50 €
-16% Discount
Sale
Polini
Air Filter Polini Air Box 135x80mm 37/38mm PHBG/PHBL 90°
Article no.: P203.0094
12

Air Filter Polini Air Box 135x80mm 37/38mm PHBG/PHBL 90°

21,00 €
Currently not in stock
RRP
22,00 €
-5% 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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