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strange exhaust noise 

 

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 Post subject: strange exhaust noise
Posted: Mon Sep 05, 2011 5:35 pm 
Stock as a Rock
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Age: 27

Posts: 139

Joined: 23rd Mar 2008

Ride: AU Falcon

Location: Melbourne
VIC, Australia

Hey guys,

Having issues with my exhaust and have been for some time. When I give it the boot I get a strange noise coming from exhaust. It sounds very similar to the induction sound you get at a pod only much louder and out the exhaust.

Wasnt happening before I had twin tips on but Ive seen tons of Au's that dont have this sound with twin tips so I reckon they simply amplify it. Also swapped out main muffler from a hooker aerochamber to a glass pack as the exhaust guy reckoned that might have been the cause, but it wasnt.

Its not an issue during winter as i cant hear it with windows up but coming into summer id prefer to fix it.

Camera I have isnt good enough quality to hear the noise, mainly just gets distortion, so getting a video is hard.

Anyone had this issue before?

Got Ph4480's, high flow 200 cpsi metal cat an 2.5" system with 2 mufflers (not a really loud system)

Cheers
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 Post subject: Re: strange exhaust noise
Posted: Mon Sep 05, 2011 7:08 pm 
Getting Side Ways
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Age: 26

Posts: 1109

Joined: 4th Sep 2009

Ride: 92 EB s

Location: DORRIGO
NSW, Australia

Probably find it's from the pacemakers, sounds like what you have Is a nice flowing exhaust
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 Post subject: Re: strange exhaust noise
Posted: Wed Sep 07, 2011 1:17 am 
Stock as a Rock
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Age: 27

Posts: 139

Joined: 23rd Mar 2008

Ride: AU Falcon

Location: Melbourne
VIC, Australia

Thats s**t if it true :-( I hate the sound.

Anyone else with PH4480's and twin tips have this issue?
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 Post subject: Re: strange exhaust noise
Posted: Wed Sep 07, 2011 1:25 am 
Stock as a Rock
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Age: 24

Posts: 130

Joined: 10th Apr 2011

Gallery: 10 images

Ride: 04 BA Mk2 Xr6

How long have you had the system installed?
Enough time for the carbon to build up on the inside?

Cheers
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 Post subject: Re: strange exhaust noise
Posted: Wed Sep 07, 2011 10:45 am 
Getting Side Ways
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Age: 29

Posts: 2563

Joined: 19th Feb 2007

Gallery: 21 images

Ride: 98 EL Futura

Power: 199 rwkw

Location: Lilydale
VIC, Australia

are the twin tips rolled?, if they are, air scoops inside the rolled parts and makes a weird noise sort of a puffing noise.

 

_________________

EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come

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 Post subject: Re: strange exhaust noise
Posted: Wed Sep 07, 2011 11:32 am 
Stock as a Rock
Offline

Age: 27

Posts: 139

Joined: 23rd Mar 2008

Ride: AU Falcon

Location: Melbourne
VIC, Australia

System has been on for 18 months so yeah heaps of time but the pacies were second hand anyway so they already had it.

The tips are rolled so we tried non rolled tips (which look s**t) but it still did the exact same thing.
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