M2 Turbos

[Signal 2]

Originally Posted by Brent

..As far as the BNR's, they do require a y pipe modification......but it does not have to be an efini y pipe. It can be a stock y pipe as well.

Thanks for the correction.

On the other hand, I can't think of a reason why would someone spend the money for the BNRs and want to keep that soft coupler, especially when raising boost levels. And the Efini does flow a bit better.