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Join Date: Jul 2001
Location: Lawrenceville GA 30045
Posts: 7,384
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Well, I heard about NCT (noice cancellation technology) a few years back as a member of the IEEE (I'm a degreed electrical engineer). Anyway, a yahoo search popped up a link that looks promising. I just talked to the guy through the contact number on the web site for Micron Exhuast . For about $500 they will custom design a "muffler" cannister with the ShockWaver canceller that will drop your noise output by about 10dB.
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Mark '83 SC Targa - since 5/5/2001 '06 911 S Aerokit - from 5/2/2016 to 11/14/2018 '11 911 S w/PDK - from 7/2/2021 to ??? |
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02-12-2003, 08:55 AM
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Join Date: Nov 2002
Location: gatlinburg tn
Posts: 752
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mine are 3" , but i have inboards with straight pipes. to know me is to hate me doing wot at 2 a. m.
 want to sell lthat peacefull lake property yet?i check my brothers donzi tonight. i think he has a corsica system
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72 911t grey/black mine 74 914 2.0 black/ tan hers 02 g500 black/black womanproof 01 f250 psd dirty the mule 60 correct craft starflite cool 69 correct craft torino hauls butt 72 correct craft ski nautique fun 66 vw 1500s will finish someday |
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02-12-2003, 09:03 AM
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Join Date: Jan 2003
Location: San Francisco Bay Area
Posts: 1,194
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On the Euro Premuffler, I just purchased one from Huntley Racing for $220. It is a very nice stainless steel unit. I removed the Bursch muffler I had in place and went back to the OEM muffler. This combo was quieter than the Bursch muffler and gained me 9.5 HP at the crank (8 at the wheels). I did dyno test before and after just for fun. I really like the sound of this combo - a little louder than stock from the outside, but very nice and pure sounding from the inside.
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Bill |
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02-12-2003, 09:13 AM
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It'll be legen-waitforit
Join Date: Jan 2002
Location: Calgary, Canada
Posts: 7,005
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ZCat3,
What kind of car? Was you OEM Muff a performance one? Thanks
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Bob James 06 Cayman S - Money Penny 18 Macan GTS Gone: 79 911SC, 83 944, 05 Cayenne Turbo, 10 Panamera Turbo |
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02-12-2003, 10:10 AM
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Join Date: Jan 2003
Location: San Francisco Bay Area
Posts: 1,194
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This is on an 87 Carrera. I went from the Bursch back to the stock OEM muffler. I am thinking about also cutting a seconf hole and welding in a second outlet, but am very happy with the Euro pre-muffler / OEM exhaust combo for the moment.
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Bill |
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02-12-2003, 10:39 AM
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Registered
Join Date: May 2002
Location: San Rafael, CA
Posts: 316
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I've heard the same thing about Bursch - that they actually rob power. They must not do much R&D, eh? The things rust too.
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~Hugh '84 Carrera |
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02-12-2003, 11:03 AM
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