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Registered
Join Date: Jan 2001
Posts: 696
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Possible to install a short muffler in lieu of catalytic converter on '84 - '88?
I was wondering if anybody tried to place a short muffler where the cat is on a Carrera, '84 thru '88? Looks like a short turbo type may just fit.
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11-04-2007, 12:05 PM
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Registered
Join Date: Dec 2005
Posts: 3,384
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Why not leave the cat to help the environment and just use a freer flowing muffler? That way you get the same flow you would with your current plan but also help out the air.
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11-04-2007, 12:07 PM
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Someone else posted that they had tried that (earlier in th eyear I think). They said it was way too loud and did not sound that great IIRC.
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Shane - 1984 928S |
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11-04-2007, 01:59 PM
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Join Date: Apr 2004
Location: Central CA
Posts: 568
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I did this. Here is the thread: Another Flowmaster muffler option: Hushpower II on the side
It is almost loud enough to hear over the wind noise in the Targa.
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'69 911 Targa w/ 3.2 |
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11-04-2007, 02:29 PM
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Monkey Butt Forespin
Join Date: Jul 2007
Location: Cumberland, RI
Posts: 474
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Fabspeed Euro Pre-Muffler & Muffler Bypass tip. I run this setup when not running the M&K muffler. It is loud, but fantastic tone-wise. Wish it was about 10db lower.
No change on the dyno vs. muffler on my 84, though.
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Fred Hurder Jr For Tech Questions: '84 911 Carrera Cabriolet (US) Weltmeister Chip, Fabspeed Euro Pre-Muffler, M&K 1-in / 1-out Muffler 22 ERP /29 Sander Hollow T-Bars, Bilstein HD Struts / Sport Shocks ERP Poly-Bronze Bearings (A-Arms & Spring Plates), Stock Swaybars Turbo Tie Rods, '92 C2 5-Spoke wheels w/ 1" adapters, Drilled Zimmermans Yes, I drive mine as much as possible. If it's >32° & sunny, I've got the top down. 
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11-04-2007, 03:13 PM
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