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thunderbird1
Forums Junkie


Location:
Sydney Australia
Registered:
May 2002
Exhaust Drone - Dumpie v's Straight pipe Mon, 14 October 2002 07:16 Go to next message
Hi,

How much of a cars exhaust drone is caused by having a dumpie tip on it?? I'm sick of driving home from the city at 80kph and having to just put up with the drone especially after a loud gig whne my ears become very sensitive.

If i was to change my tip to a straight pointer or boner type (bent up) tip.. would that decrease the drone.

At the moment i have a 3 inch dump onto the road.

Luke
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haggis
Regular


Location:
Adelaide
Registered:
May 2002
Re: Exhaust Drone - Dumpie v's Straight pipe Mon, 14 October 2002 07:57 Go to previous message
What sort of muffler/Cat/resonator arangement do you have on it at the moment?

Is the drone constant trough the rev range, or just when crusing at certain speeds? if at certain revs, what revs?

Is how much larger is the dump tip than the rest of the system?

Could be you need a better resonator to kill the resonace (droning noise) or a better muffler arangement that can do the same.

Craig.

[Updated on: Mon, 14 October 2002 07:58]

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