I have tire flies, electric blow off sound generator, no air box, demaffed maf, 3 inline catalytic converters, glass packs, and the Furber seat mod (with poly inserts) and custom ground brake pads.
(Mazdaspeed CAI and exhaust)
I don't think my definition of Havana omelet and yours match.
FWIW the car feels smoother. Could be the placebo effect as my drive to work was in a 44 year old 40hp VW beetle with a manual choke.![]()