So i was on the aFe website looking for a replacement cone filter for my afe cai, when i noticed they now carry throttle body spacers. they cost $186.. which is not bad if it improved the X's performance somewhat.

So since I know little about these, I was wondering if anyone knew if it was worth the price. Will it yield any performance gains? or should i save my $186. i did a quick search on the forum but found a result or two on 4.8's .. so there might not be many members who have put them on..

Appreciate any input

and heres their link: advanced FLOW engineering : Review v3 :

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