What are you looking for in a diffuser? - Miata Turbo Forum - Boost cars, acquire cats.
FS Performance Engineering - NB Mazda Miata "The Monstrosity" Rear Diffuser | FSPE
Mazda MX5 MK2 NB Side Skirts Steps Miata Eunos Diffuser Seitenschweller MX-5 | eBay
Mazda MX5 MK2 NB Side Skirts Steps Miata Eunos Diffuser Seitenschweller MX-5 | eBay
NA/NB MX-5 Miata V2 Rear Diffuser Kit (1990-2005) — R Theory Motorsports
NB Miata | Galvez Customs
R Theory V3 Rear Diffuser Kit for Mazda MX-5 NA NB | BOFI Racing
More progress on the new NB kit! We started the molds for the front and rear overfenders already. Front bumper and rear diffuser still need some time but... | By CarbonMiata | Facebook
NUE Rear Diffuser For Mazda Miata MX-5 NB (98-05) | REV9
MX5 NC Car Rear Bumper Spoiler Car Rear Diffuser Cover for Mazda MX 5 2009 2015| | - AliExpress
CM Rear Diffuser For Miata NA/Mk1 – The Ultimate Resource for Mazda Miata Parts