535d Exhaust restriction
05-02-2006, 03:41 AM
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Originally Posted by Carbon Black' post='276777' date='May 2 2006, 07:31 AM
There is a valve in the end of the right-hand exhaust pipe. Anyone know what this is there for?
I saw this question on another forum and thought i would ask here.
I saw this question on another forum and thought i would ask here.
Engined stopped = valve open
engine start = valve open
blip engine = valve should now be shut
give it some = valve definately should be open
I believe it works on pressure, but I could wrong
Its easier if you can find some to work the pedal.
hope this helps
05-03-2006, 11:29 AM
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Small diaphram uses presure to open and close the valve as described. If you fancy a sporty note to your exhaust, disconnect the black pipe and bung the end of the pipe with a golf tee or something. Valve stays open all of the time and sounds much more sporty. Not on all systems, 3.0 upward i think, could be wrong Free upgrade 
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