sure here you go..
http://trackspecmotorsports.com/shop...w/e90-m3-07-13
you definitely can see the heat waves coming out of them. I haven't measured temps or anything official, but it can only have went down.
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Vrsf fmic, vrsf charge pipe with bov, vrsf catless down pipes, afe intake, manzo exhaust, bms jb4, bms cowl filters, bms oil cooler valve, 19" Konig Oversteer wheels, wrapped up, hood vents, carbon fiber wing, custom headlights, air lift v2 airbag system