-Have you seen the water sprinkle it out from the exhaust tailpipe. If yes. !! Then there is complete combustion..!!. Have you smell any odour smell from the exhaust emission. No right !. That means additional benefit from the K2N system whereby reduction on the carbon monoxide gases.
-Normally when reaching to 3k to 4k rpm will getting to high torque. (Depending on the flat road condition).
-Normally if you want to test power on the different gear ratio. We need to start from 1st, 2nd & D position gear. Only this way, we can find out how exactly the power performance will be. If you just by using position 'D' gear position. You will not get the actual feel on the high power instead rely on the ECU system which not quite effective interms of power testing.!
Do you agree with me, if you go to hill climbings by just position to 'D' position. Can you feel how stressful of the your car engine compare if you put it the 2nd gear position then certain speed then change to 'D' position. Thats the pusposes for your car to equiped with 1st, 2nd & 'D' position gear. You may require to use when necessary.!!.
-I think J did explained to you, if you want to get extra mileage, you need to do it constant speed at between 100km/h -110km/h.
Reduction on the exhaust emission odour smell meaning reduction emission on the carbon monoxide gases.