IS F (2008-2014) Discussion topics related to the IS F model

K&N intake

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Old 05-08-14, 10:56 PM
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LexusISF19
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Default K&N intake

Hi sorry this probaly has been brought up before... Just got K&N intake typhoon... Is it true u lose power? If so any solutions? Just got my ISF 3months ago. Headed to maryland next week for Sikky header install and rear sway bar. Might as well install the intake too 👍 only mods now are resonator and 2nd cat delete love the sound! Thx guys
Old 05-09-14, 10:27 AM
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anxiouz
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I've seen people post both gains and loses with intakes. I consider it negligible and/or a shift in the powerband.

I tried the K&N, Injen, and JoeZ pipe... The first two on the butt-dyno felt like there were loses down low, but gains up high. I enjoyed the sound so I was ok with that trade-off.
Old 05-12-14, 03:53 AM
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Rickna
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Gains, if any are certainly not what is advertised. IMO, it's a sound thing.
Old 05-12-14, 12:24 PM
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I8ABMR
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To me intakes on a car like this is more like kids putting playing cards in the bicycle spokes to make more noise. Thats all it is and thats fine. In fact I plan on adding one. For me, what's debatable is wether an exhaust is worth the noise, and droning for only a 4-5% increase in power
Old 05-12-14, 12:43 PM
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^^^^I've posted this before, not my Dyno Chart, but it does show typical gains. Adding an exhaust is a lot more than4% to 5%. It's more like 20HP or 6%. As far as drone, the new PPE exhaust will eliminate that when the run in the closed position.

Lou
Attached Thumbnails K&N intake-typicalprogression_zps36e65999.jpg  
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