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Re: [6pack] MUFFLER REPLACEMENT

To: "Zimmerman, John" <john.zimmerman@dpg.com>
Subject: Re: [6pack] MUFFLER REPLACEMENT
From: "Robert M. Lang" <lang@isis.mit.edu>
Date: Mon, 21 Oct 2013 09:08:31 -0400 (EDT)
Cc: 6pack@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: 6pack@autox.team.net
References: <C7895AAFD1BF2D42AB3584915C027A18020710BA@stvexch2.vandorn.dpg.com>
Hi,

The answer to your question falls into the "personal preference" category. 
For most folks, the best approach is to buy a complete system and bolt it 
in. If you're not up for doing the job, a good muffler shop or any 
competent mechanic can do the job in an hour or two.

Now, as for the sound, the stock system is fairly quiet. If you go 
aftermarket, there is a lot of truth to the "too loud" or "it drones" 
reports... I ran a Monza setup for years. It was def too loud. I had to 
wear earplugs on long trips. Even so, my ears would ring for days after a 
road trip.

If you read this list often or you've been on it very long, you'll know 
that I am an advocate for custom exhausts. A custom muffler shop can fab a 
complete system from mild steel or stainless and with a simple "turbo 
style" muffler, it will be quiet when you're cruising but can "bark just 
right" when you tromp on it. And the installed cost will be cheaper than 
buying a full system from one of the British Car suppliers and paying 
someone the labor to install it. My personal preferences are 2.5" I.D. 
pipe from the collector back, but even 2.25" is fine except when you're 
going for max power.

Call around and find a custom muffler shop and have them quote you the 
job. You'll be surprised. Really.

My one criticism of custom jobs is that they tend to add too many bends to 
get around things, you're installation may be different. But other than 
that, I'm totally sold on the idea. I've been using nothing but custom for 
about 15 years.

Oh - if you can, get the shop to install bolt-up flanges as opposed to 
slip fit connections for the pipes. This way, you can unbolt sections to 
do stuff like remove the diff. of get better access to the tranny. It suX 
big-time when you have to remove the entire exhaust system to get at 
things. And whatever you do, don't weld the pipes together!! If you do, 
you'll be sorry. Trust me on that.

Regards,
rml
---------------------------------------------------------------------------
Bob Lang              Triumph TR6!!            |  This space for rent
Former NER Solo Chair                          |
Voice:617-253-7438                             |  Cell: 339-927-4489
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