<html><body><div style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10pt; color: #000000"><div>I heard it from someone else  and I've tried it myself : the endpipe turned upwards gives much better noise reduction than turning it downwards, probably because of the reflection of the sound waves upon the track surface when turned down.</div><div>Marcel</div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>Van: </b>"fot" <fot@autox.team.net><br><b>Aan: </b>"Duncan Charlton" <duncan.charlton54@gmail.com><br><b>Cc: </b>"fot" <fot@autox.team.net><br><b>Verzonden: </b>Dinsdag 9 oktober 2018 20:34:47<br><b>Onderwerp: </b>Re: [Fot] Mufflers?<br></div><br><div data-marker="__QUOTED_TEXT__"><div style="font-family:Verdana">Thats what I have on the Alfa.  A straight pipe with a turn down on the end that I can rotate away from the sound testing equip.</div><div style="font-family:Verdana"><br><br><br>On Mon, Oct 08, 2018 at 08:31 PM, Duncan Charlton via Fot wrote:<br><br><blockquote style="border-left: 2px solid rgb(136, 136, 136); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex">I’m told that a turn-down on the end of the tail pipe can cause a significant drop the meter reading.<div class=""><br class=""></div><div class="">Duncan<br class=""><div><br class=""><blockquote class=""><div class="">On Oct 8, 2018, at 4:43 PM, Rocky Entriken via Fot <<a href="mailto:fot@autox.team.net" class="" target="_blank">fot@autox.team.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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<div class="">A Supertrapp takes my HP Spitfire (13:1) down to about 90 most days. 
Highest I’ve hit the meter was 94 on a high humidity day. And I run it open, no 
plates, straight out the back.</div>
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<div class="">--Rocky Entriken</div>
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<div style="font-color: black" class=""><b class="">From:</b> <a title="fot@autox.team.net">Brian 
Dennis via Fot</a> </div>
<div class=""><b class="">Sent:</b> Monday, October 8, 2018 3:08 PM</div>
<div class=""><b class="">To:</b> <a title="fot@autox.team.net">FOT Triumph</a> </div>
<div class=""><b class="">Subject:</b> [Fot] Mufflers?</div></div></div>
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<div style="font-size: small; text-decoration: none; font-family: Calibri; font-weight: normal; font-style: normal; display: inline;" class="">What 
are folks using on GT6 to get noise down to 98db? Full race 12:1 2.0L. Most 
local (New England) tracks have noise rules. Some have open exhaust days but are 
limited. 
<div class="">Thanks, Brian </div>
<div class="">Foster, RI<br class=""><br class=""><br class=""><a href="https://overview.mail.yahoo.com/?.src=iOS" class="" target="_blank">Sent from Yahoo Mail for 
iPhone</a><br class=""></div><div class="">
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</blockquote></div><br>_______________________________________________<br>fot@autox.team.net<br><br>http://www.fot-racing.com<br><br>Donate: http://www.team.net/donate.html<br>Archive: http://www.team.net/pipermail/fot<br>Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/van.mulders.marcel@telenet.be<br></div></div></body></html>