IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

no heatshield ok?

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Old 07-21-10, 11:58 AM
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calboy76
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Exclamation no heatshield ok?

got my K&N, offered $40 and one local shop did it for me today

but they said no room to install heatshield.

is it ok???
Attached Thumbnails no heatshield ok?-kn-1.jpg   no heatshield ok?-kn2.jpg  
Old 07-21-10, 12:07 PM
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sway162
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Go back to the shop and tell them to make it work! You need the heat shield. It should fit.

I was under the impression that you need one but maybe not.
Old 07-21-10, 02:28 PM
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Jetfire
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heatshield helps reduce the amount of hot air getting sucked in. but still not as good as a cold air intake or a ram air.

if you don't care about engine power and only care about intake noise, then you don't really need it.
Old 07-21-10, 05:11 PM
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calboy76
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went back to the shop. got it installed
Old 07-22-10, 05:29 AM
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noe1998
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there's a cold air intake for is
Old 07-26-10, 08:43 AM
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slvrboolet
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I have no heat shield on my turbo car and its just fine ;-)
Old 07-26-10, 08:52 AM
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Kaydee
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^ turbo you won't need it since air will be cooled by the intercooler
Old 07-26-10, 08:53 AM
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06isDriver
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well sure its fine...but you arent reaching your maximum horsepower potential...especially with the air being compressed like that in a turbo application.

every 11 degree drop in intake temp = ~1% gain back in horsepower
Old 07-26-10, 08:58 AM
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06isDriver
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Originally Posted by Kaydee
^ turbo you won't need it since air will be cooled by the intercooler
it will cool it as much as it can from the temperature it started at....I would assume that if the temp were lower to begin with you would yield lower temps after the intercooler too.
Old 07-26-10, 09:05 AM
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slvrboolet
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Originally Posted by 06isDriver
it will cool it as much as it can from the temperature it started at....I would assume that if the temp were lower to begin with you would yield lower temps after the intercooler too.
its tru like when its cooler outside the car runs quicker/faster when there is lots of hot air you can tell its more bogged down.
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