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Twin Exhaust on NA 6. 

 

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 4:39 pm 
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A 3" system is only going to sound good with a big cam, they sound s**t house with a standard or mild cam. They just drone and the exhaust doesn't flow fast enough. Twin 2.25" will be better than a twin 2.5" for a NA6.

 

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 4:51 pm 
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GeZza200 wrote:
A 3" system is only going to sound good with a big cam, they sound s**t house with a standard or mild cam. They just drone and the exhaust doesn't flow fast enough. Twin 2.25" will be better than a twin 2.5" for a NA6.


I've got a big cam and yes my 3 inch system sounds fine - as will be apparent if I can figure out why I cant upload to youtube.

 

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 4:54 pm 
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GeZza200 wrote:
A 3" system is only going to sound good with a big cam, they sound s**t house with a standard or mild cam. They just drone and the exhaust doesn't flow fast enough. Twin 2.25" will be better than a twin 2.5" for a NA6.


did you end up going with a bigger exhaust? or you still got the 2.5?

 

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soon to get: AU diff, upc 330mm brakes, Vapor LPG injection.

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 5:06 pm 
Getting Side Ways
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Yeah i have a 3" system. Here is a vid of mine launching at 3500. Its doesn't really sound like many falcons.

http://www.youtube.com/watch?v=0yOKXX4vI5M

 

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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: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 5:08 pm 
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GeZza200 wrote:
Yeah i have a 3" system. Here is a vid of mine launching at 3500. Its doesn't really sound like many falcons.

http://www.youtube.com/watch?v=0yOKXX4vI5M


where you get it done ill need a 3" on the wagon soon when the blower goes on.

 

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94 White ED Wagon
eaton M112 supercharger, lowered a tad, extractors, 2.5" exhaust, T5 , custom SureCam supercharger cam, 3.45 lokka, 2 piece tailshaft, poyair bags in the back, TSS front Skirt, Sprint skirts, XR wagon spoiler.
soon to get: AU diff, upc 330mm brakes, Vapor LPG injection.

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 5:11 pm 
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CVE performance did a custom one for me.

 

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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: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 5:16 pm 
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GeZza200 wrote:
Yeah i have a 3" system. Here is a vid of mine launching at 3500. Its doesn't really sound like many falcons.

http://www.youtube.com/watch?v=0yOKXX4vI5M


Mine is deeper and quieter than that - and not as "hollow" sounding at idle.

 

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 5:18 pm 
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Greenmachine wrote:
GeZza200 wrote:
Yeah i have a 3" system. Here is a vid of mine launching at 3500. Its doesn't really sound like many falcons.

http://www.youtube.com/watch?v=0yOKXX4vI5M


Mine is deeper and quieter than that - and not as "hollow" sounding at idle.


Yeah that run the exhaust was dumped at the diff

 

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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: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 5:24 pm 
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GeZza200 wrote:
CVE performance did a custom one for me.

how much was it of u dont mind me askin, and dose it run all the way or stop at the diff?

 

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94 White ED Wagon
eaton M112 supercharger, lowered a tad, extractors, 2.5" exhaust, T5 , custom SureCam supercharger cam, 3.45 lokka, 2 piece tailshaft, poyair bags in the back, TSS front Skirt, Sprint skirts, XR wagon spoiler.
soon to get: AU diff, upc 330mm brakes, Vapor LPG injection.

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 5:25 pm 
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Ah - yep - that makes sense.

Here's my first attempt at recording my 3 inch system - standing behind the gate as my wife heads off to collect little feller from school (wasn't gonna show the world our street or the car).

http://www.youtube.com/watch?v=WHbp_FXHB0Y

The phone completely failed to capture the idle - IRL it's quite clear but on the phone all you hear are the higher toned noises.

In the last few seconds you can make out the exhaust note as the car drives off - we are 4 doors from the corner so my wife is accelerating (not heavily tho) and then off the gas for the turn.

 

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Last edited by Greenmachine on Tue Sep 18, 2012 9:08 pm, edited 2 times in total.

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 6:48 pm 
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Well I'm going with the twin 2.5" that separates at the diff in a Y so as to allow Quad tips (BF GT rear bar ftw lol)

 

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 7:26 pm 
Getting Side Ways
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fair enough, you will have a doughy bottom end though

 

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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: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 7:45 pm 
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I don't think he will - IMO all that stuff is a myth...

 

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 7:55 pm 
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I will have a doughy bottom end when the cams go in lol that's for sure. But I'm converting to 5sp in a month, with 3.9 Diff gears to help for 1000-2500rpm. The cams come in at 2000rpm, all the way to the limiter. Bottom end isn't my aim at the moment lol

 

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 Post subject: Re: Twin Exhaust on NA 6.
Posted: Tue Sep 18, 2012 9:20 pm 
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Just in case people dont realise I managed to get my youtube upload thru and edited the other post above: here's my car being driven away down the street - not the best capture (phone totally failed to get the idle even tho IRL it was quite clear) and I'll try to get some better ones but you can catch the basic note there for a few seconds.

http://www.youtube.com/watch?v=WHbp_FXHB0Y

 

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