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Wondering if anyone has any tricks they'd like to share ? Free horsepower ? Cheap mods ?

I have a air flow freebee-
The IS has dual horns. Move the horn that's in front of the stock air intake to the drivers side horn mount.
Double up the horns on the one mount. Two horns, one bolt.
I had to slightly modify mine by bending a tab on the rad support slightly.
Mount the horns in a upside down V .

Better airflow to the filter for free.. Works good with a rad panel or close out panel.

Cheap Mod- Cut a Furnace filter to fit the in cabin filter. 1 filter = 6 in cabin filters. (Use good quality furnace filters & watch sharp edges) Good for those that change them often & don't drive in dusty conditions

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