The filters are manufactured specially for the R15 and the Ninja 250R. Made by Simota, a very famous airfilter maker.
SIMOTA Racing Sports
They will replace your existing paper element filter in your airbox and is a direct replacement. Specially made with high temperature resistant rubber insert, it will last you a lifetime. I have been using this personally on my R15 since over a year. The gains in airflow are quite massive and gives linear rise in power. All this keeping the AFR very consistent and the airbox velocity still high for rideability.
Most refer to conical airfilters for your fuel injected R15 and Ninja, but they massively disturb the MAP sensor and the mixture goes dangerously lean. Killing power and also engine life. Exhaust valve seat will tend to wear earlier than normal and also wear piston rings and warp cylinder liner.
Unless the stage of tune is radical, stock replacement filter make consistent and fool-proof performance. They do not foul your ECU and power delivery will be very visible.
Cost of replacing your stock airfilter element, due at every service will no longer be needed. This one will replace your stock filter for life.
The stock filter on the Ninja and the R15 are quite restrictive. On a stock engine, they enhance fuel efficiency and give mild gains in performance. AFR need not be altered since the stock ECU can handle the slight bump. NO induction roar and the engine will sound as stock.
On the dyno, the R15 makes a noticable bump in power at the wheel. So does the Ninja.
Mail me at [email protected]
Joel
Attached are pics of the R15 and Ninja 250R filters together. Left is R15 and right is Ninja.



thats a great news anna.Thanks.
Lets see how it turns out to be

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