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I bought a $6 wifi OBDII diagnostic scanner for my Mazda.
New ELM 327 V1.5 WIFI OBD2 WIFI Scanner Auto ODB2 ELM327 V1.5 WIFI For Android/IOS OBD 2 OBD2 Car Diagnostic Auto Tool
I download the free REVHEADZ mobile app
My iphone XR connects to the scanner using wifi
My iphone XR connects to my Mazdas multimedia system using an Apple usb to lightening cable OR a 3.5mm audio cable and lightening adapter. Do NOT use Bluetooth as this has a noticeable audio delay!
Now the revheadz app knows exactly what speed, gear and RPM my Mazda is doing. So i can select different cars in the app and the engine sound comes straight out from my cars audio sound system.
Yes you will drive faster
Yes you will use more fuel
Yes you will get speeding tickets
But you dont have to buy a sports car. With the money you just saved you can buy all the optional sound packs!
There is a slight delay due to the bluetooth audio. But works perfectly if i use a 3.5mm audio cable.
Link in 2022
www.aliexpress.com/item/10050...
Link in 2023
Just found this amazing item on AliExpress. Check it out! AU$4.65 15% Off | 2023 ELM 327 V1.5 WIFI OBD2 WIFI Scanner Auto ODB2 ELM327 V1.5 WIFI For Android/IOS OBD 2 OBD2 Car Diagnostic Auto Tool
a.aliexpress.com/_EwYYdyX