Hey Guys i installed the K&N Intake on my car and took it to the Dyno and we also did a 1/4 mile pass on the Dyno as well, i am very happy with the numbers!!!!
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to me it only seems a slight bit louder than the stock intake. and because you eliminate the air box/secondary intake flap it starts the louder noise earlier (lower rpm) just as if you did the diy intake flap mod (bypassed the secondary flap).Can anyone post vids of the sound difference between the stock isf and one fitted with only the k&n added (preferably in the cabin too) as i am thinking of getting this again.
Some other clips of the toms filter would also be handy if i dont like the K&n. Im all for gains but i want to retain that deep growl the ISF has and i aim to not make it raspy or loud in any way.
you are quite wrong. i did the diy mod, and i now have the k&n, and the k&n is way louder then the stock setup under any circumstance. there is no resonator in the intake pipe and its letting alot more air throughto me it only seems a slight bit louder than the stock intake. and because you eliminate the air box/secondary intake flap it starts the louder noise earlier (lower rpm) just as if you did the diy intake flap mod (bypassed the secondary flap).
i'm not wrong. it's my opinion/perception. it's way louder at idle? it's way louder at cruising speed? now that's wrong. wot is it louder? sure. by how much? i don't give a sh!t.you are quite wrong. i did the diy mod, and i now have the k&n, and the k&n is way louder then the stock setup under any circumstance. there is no resonator in the intake pipe and its letting alot more air through
the only time it sounds the same is at cruise, under any throttle and its noticeably different. and once the exhaust quiets down, the intake is still heard over it...thats how loud it isi'm not wrong. it's my opinion/perception. it's way louder at idle? it's way louder at cruising speed? now that's wrong. wot is it louder? sure. by how much? i don't give a sh!t.
i also don't care or give much thought to what possible sound level increase this mod brought as i did it for better efficiency and to pick up a few hp.
and after i get my exhaust put on i will probably hear even less of the intake![]()
that sounds good. I didnt know there was a secondary flap in the airbox. Where can i read up on all this handy info about the isf? I like to know about the car i own not just drive it. Thanks.
and its been proven the second flap mod slows the car down.
If we lived in a make believe world without aero drag and traction issues it would be 12.11.1/4 Mile in 12.11?Is it possible? I might have to look at the numbers again..
Please let me know what happens and who winsLets put all this to rest. Anyone in the Bay Area (San Jose/San Francisco/Monterey) with the K&N or any other intake. Lets race with mine and see if there is a real difference. I have no mods.
If this is done, make sure the vehicle weights (including driver/passengers) are equalized as much as possible. Also, report any differences in wheels/tires.Lets put all this to rest. Anyone in the Bay Area (San Jose/San Francisco/Monterey) with the K&N or any other intake. Lets race with mine and see if there is a real difference. I have no mods.