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Exhaust Question 

 

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 Post subject: Exhaust Question
Posted: Sun Jun 03, 2012 12:03 am 
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Ride: EL XR-6

Location: Brisbane
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hey guys just a quick question got a new exhaust put on my EL XR6 about 3 weeks ago and ive notice that its really droney now which im not too happy about. i got a baffle muffler in the middle and a muffler resonator at the rear. now would the baffle muffler in the middle cause it to drone? also should i get it change to a tri-flow muffler type for the middle instead of the baffle muffler?
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 12:39 am 
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i was gonna ask the same question i picked up a EL with paceys then middle muffler then baffle muff and a ressi and its quiet at high rpm and drownes really load to the point it rattles stuff at low rpm.

i want the other way around.
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 12:49 am 
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exactly what my does i think its the baffle muffler that is cause it.
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 12:52 am 
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i was at walker performance the other day as im a courier and they said the baffled mufflers will cause alot of back pressure. but issue with that is more air that comes out of the block the more it tries to push it back in hence it gets quieter. that what i got out of his explanation anyway.
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 12:56 am 
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what do u think is causing the drone noise?
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 1:01 am 
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as far as i could understand the guy i was speaking to ( i was in a hurry other deliveries to do ) its the baffled mufflers. im gonna get http://www.ebay.com.au/itm/2-5-CAT-BACK ... 546wt_1163

cheap as so minimal waste of money if its poo. and see how it goes
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 1:29 am 
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do u reckon a hotdog in the middle follow by a tri-flow in the middle aswell then for the rear a muffler resonator?
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 1:34 am 
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as far as i know the rear ressi only dims down that sound, i have no idea what causes the drowning.
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 1:39 am 
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well my last sports exhaust system was a straight through muffler in the middle with a muffler resonator for the rear its was loud but to loud if u know what i mean but also it wasnt quite enough for me to like it. so im pretty sure its something to do with the baffle muffler cause the issue.
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 10:34 am 
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it wont be run in yet, takes a good 1000km's to build the carbon up...then it wont be as bad.
but if it's auto it will still drone, but not as bad when carboned up
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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 12:41 pm 
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The ideal way to kill ur drone is to put a chambered resonator between the cat and ur main muffler - something like this: http://www.bestmufflers.com/bshop/produ ... 4ea72c2fef

- else if ur using only a resonator - ie. hot dog style thing - in the tailpipe then fit something like that chambered resonator above or one of these: http://www.bestmufflers.com/bshop/produ ... 4ea72c2fef

- it's the chamber that will soak up / kill the drone.

 

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 Post subject: Re: Exhaust Question
Posted: Sun Jun 03, 2012 4:38 pm 
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Ive only ever ran 2.5 inch one box cat back sytems on 6cyl falcons and ive never had one drone..
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 Post subject: Re: Exhaust Question
Posted: Thu Jun 07, 2012 11:33 pm 
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does anyone know where i can buy those either one of those mufflers mention in the previous comments?
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 Post subject: Re: Exhaust Question
Posted: Thu Jun 07, 2012 11:36 pm 
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jamie22_cole wrote:
does anyone know where i can buy those either one of those mufflers mention in the previous comments?


Sorry - should have included details - those are Berklee / Pex brand mufflers. Best Mufflers Online sells them http://www.bestmufflers.com/bshop/

 

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 Post subject: Re: Exhaust Question
Posted: Fri Jun 08, 2012 1:15 am 
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i bought my el falcon with a normal exhaust and it was really f**k like my gears where lacgging heaps and i it was wearing the engine hard so i went to hi-tech mufflers at south dowling street sydney and he hooked me up from extractors back 3inch stainless steel straight pipe with high flow cat with a dump pipe at the end my car has never been so quick and loud best thing ever

 

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