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post #1 of 4 (permalink) Old 04-23-03, 02:56 AM Thread Starter
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Join Date: Sep 2001
Location: Sydney, NSW
Age: 44
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Real performance increase from extractors +sports system? Figures please.

Hi,

Just wondering if it is worth going aftermarket extractors + sports system on my AUII XR8.

Everyone is quite wishy washy at the storefronts so dyno charts before and after would be appreciated. An idea of how much the system cost fitted on the car would be great too.

I just want to see if this is good value for money and what the real performance increase is likely to be.

Thanks
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post #2 of 4 (permalink) Old 04-23-03, 05:25 AM
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Join Date: Jun 2002
Location: Bendigo,Victoria.
Age: 39
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I have a Herrod's full stainless system on my AU II XR8,dont read to much into Dyno reading's especially off other car's because there all not the same, Dyno's can be soul destroying,But I have noithing but praise for Herrod's system it sounds fantastic and gave me 20kws odd and better ecomomy,mid to top end power is much better also,the cost was about $1900 but well worth it.

AU II XR8
Herrod mod's,mmmn.
XW Wagon 221-2V,
Laser a maser.
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post #3 of 4 (permalink) Old 04-23-03, 06:06 AM
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Join Date: Feb 2003
Location: Adelaide
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cheapest quickest way to get more power and economy it to scrap the factory system and fit a decent exhaust.For my money I would go mild steel as stainless isn't worth it but each to there own

AU series1 Futura Duel Fuel,ceramic coated Pacemaker Headers,Hi-Flow cat.2.5in. exhaust,T-series snorkel,K&N panel filter,D.B.A.Slotted Rotors
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post #4 of 4 (permalink) Old 04-23-03, 05:49 PM Thread Starter
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Location: Sydney, NSW
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Is the largest benefit gained by fitting the sports exhaust or extractors on the AU V8's.

I have heard about the Herrods exhaust and it's not the one for me. I tow a boat and I want a system tuned for low end and midrange not mid and top.

Any suggestions for a system like this..
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