I already have a HKN cold air intake, an HKN blow off, and my resonators cut off. I'm looking for some cheap mods for a good horsepower kick. Please reply with any suggestions. Thanks!
People like Autotech internals. I went with the CP-e full HPFP replacement. I bought it from Edge Autosport.
hpfp - 2012 Mazda 3/Mazdaspeed 3 Forums
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