Quote:
Originally Posted by jmciver
If all you want is a little more volume, instead of chopping up your exhaust (or getting a whole new cat back system), why not try something like this from CG Precision:
https://www.cgprecision.com/#!/2017-...=0&sort=normal
I didn't see anything on their site for the X7 (or any G-series cars for that matter), but it would not surprise me if this company is already working on products for G-series cars. So why not ask?
I was in the same boat with my F80 (I wanted a bit more volume) and this device fit the bill. |
What did this device do? Manually open and close the valves?