M90 on an LS1
#3
I have seen and tuned several. None improved, a few of them even lost power. Lots of knock and heat.
The M90 is a piece of cr4p for a LS1 because it's too small. A burning torch in the intake pipe may be better than a M90
The M90 is a piece of cr4p for a LS1 because it's too small. A burning torch in the intake pipe may be better than a M90