🔧 GrimmSpeed 070002 Boost Controller - Enhanced Black - Manual Control for Ultimate Performance Review

I installed one of these on my 1990 RX7 Turbo II. Unlike all other manual boost controllers that I like. Has arrows and + and - at the top, count the clicks and read the scale with numbers to set the boost pressure. It is really that easy. When I pulled onto the track the other day, popped the hood up and shifted the thrust up a few gears before heading home, I re-did it for the ride. Works well, definitely recommend.

The sun is making it difficult to see anything in this image. But the white lines and numbers above quickly disappeared after testing my product. Rotate the handle all the way down and then up. after that once before you even put it on the car. He disappeared. I just hope it doesn't go away entirely. The dual ball bearings work, but they quickly reduced the click noise by just 8psi after running. But it's still a great product, feels solid and holds momentum well. No leaks

bought this controller to reduce wastegate slip and increase boost levels in my 5.9 12V Cummins. I am sure this is not normal use for this product but it works great and I am very satisfied. From a stop in city traffic I used to get around 5-8psi, now I'm seeing around 10-20psi depending on the load. I maxed out at 40psi and this controller held it great and nearly doubled my acceleration. Can't say more about this regulator, the fine tuning of the boost levels is great, the construction was…