I have the AEM. When I got it a guy I know told me it wasn't good it would just absorb heat and make my temps go up. I knew better before I even put it on that at higher rpm's the air is moving so fast it isn't going to pick up much if any heat. I was right, with my observations I saw egt's similar to my BHAF/stock intake tube at low speeds/rpm, and at higher speeds/rpm the temps were quite a bit cooler. It was worth it to me. Plus it's pretty blingy all cleaned up!
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Adam -
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03 3500 QC/SB 48re sold....
03 2500 NV4500 525hp/996tq 4/14/07 Totaled 12/15/07
99 F250 7.3 PSD sold early 06