Saw an as in Eurotuner for these things. It's aluminum an has cooling fins coming off of it. Just slides over your oil filter. Would this work? Probably not enough to do much.

-'96 SE MTX 3L -'98 SVT 1,173 of 6,535 -'05 Mazda 6s, loaded, g/f's ride -Need a 96-00 manual on CD? PM or email me