 Tail pipe inserts |
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| moggy |
 Jul 3 2014, 03:33 AM
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#1
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Member  Group: Members Posts: 192 Joined: 15-December 04 From: Wales Member No.: 3,285  |
Hi guys
What's the significance of the insert inside the end of this tailpipe? (IMG:http://www.914world.com/bbs2/uploads/post-222-1372820267.jpg) I see it a lot on big vintage 911 engines too. Is it there as a noise control solution, breaking up the sound wave in some way? or is there something else going on? |
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| Cap'n Krusty |
Jul 7 2014, 05:50 PM
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#2
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
A long time ago, these were called anti-reversionary tail pipes. Looking the term um on Google, I'm not sure they meed the definition. They were all the rage with the PCA/POC long track guys. The Chief had 'em on his 904/6, Otto on his 914/6, and most of the other fast guys used them. It could be that they were more trendy than effective, just like a lot of car fads. They DO look cool, though ..................
The Cap'n |
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Posts in this topic
moggy Tail pipe inserts Jul 3 2014, 03:33 AM
wndsrfr
Hi guys
What's the significance of the inser... Jul 4 2014, 09:18 AM
crresind This is called "cookie cutter exhaust". ... Jul 4 2014, 09:51 AM moggy
This is called "cookie cutter exhaust".... Jul 7 2014, 03:43 AM campbellcj I thought it was simply to make the pipe stronger.... Jul 5 2014, 10:24 AM '73-914kid The story I always heard was that they were to pre... Jul 9 2014, 08:11 AM zymurgist PitGkp1ncXE Jul 9 2014, 11:32 AM Seabird
PitGkp1ncXE
Laughed my butt off when that video... Jul 9 2014, 02:28 PM |
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