In Reply to: Next Step..Intake or Exhaust posted by Tim W. on December 09, 1999 at 23:36:52:
...on my Dinan-ized M5. It killed the top end by about 10 mph. The only good thing about it was rumbling through a parking garage and setting off
every car alarm in the place! LOL ;>)
I went back to the stock M5 exhaust and picked up all of my lost performance, and it doesn't sound half bad either.
Go for the intake work.