Are Throttlebody Spacers a scam?

Find out what I think about throttle body spacers! Ive now owned 2 cars that had them installed.
Check out these links for the mods I have done to my car, along with the filming equipment I use! I appreciate the constant support!

Flowmaster outlaw- https://amzn.to/2tdI3Td

Roush Cold Air Intake- https://amzn.to/2LUERUl

JBA Longtube Headers- https://amzn.to/2JS9dGi

Carbon Fiber Mustang Keychain- https://amzn.to/2yeFuWP

GoPro- https://amzn.to/2LVPpme

Computer- https://amzn.to/2JHRi9l

ElGato Streaming Device- https://amzn.to/2JNG4Ml

Видео Are Throttlebody Spacers a scam? канала Bubba Blue