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Old 01-15-2014, 01:39 PM   #1
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Join Date: Aug 2010
Location: Cincinnati, OH
Posts: 158

2005 Alpine Coach – 36’ FDDS

I had the exhaust & muffler replaced with an Aero Turbine Exhaust 5050XL

Jordan Cherrington was a big help and I have sent him all the photos posted here also.
The biggest problem was the 32” length limit from the radiator panel to the coach frame.

After all the cuts and welds the muffler and 90 degree elbow was 30” – maybe less.
The 4” elbow with the slots (female) cuts was saved to clamp to the existing 4” flex pipe.

Anyway, it is possible and it worked out great (in my opinion). The sound is a little more and
is deep throated but it is very acceptable to me. At idle it is very quiet.

I am going to take more photos from under the coach and anyone interested can e-mail or call me
[tjshively@gmail.com] [513-383-8946] for them.
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Old 01-15-2014, 06:56 PM   #2
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We have changed the muffler on our 500 ISM Cummins engine with good results. My question is why are you using a adapter to go from 5 inch to 4 inches? You don't want to restrict the flow of the exhaust if you don't have to my necking down one inch. Tom

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Old 01-15-2014, 07:33 PM   #3
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Location: Durango CO
Posts: 580
Good to know. I've got one sitting here waiting for the coach to come out of winter storage. I'll bookmark this thread for later perusal.

Tom, he's going from the stock 4" pipe coming out of the turbo up to a 5" muffler so no restriction.
The above post is just my experience/opinion which is worth exactly what you paid for it.

'05 Lance 845/'06 F-250 or '99 Alpine 36SDS Usually towing an '01 Wrangler locked on 35"s or moderate '98 Cherokee on 33"s (rear locker only)
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Old 01-16-2014, 07:49 AM   #4
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Location: Des Moines,Iowa
Posts: 219

Great pics and write up.

E-mail sent.


2001 Alpine 36MDDS
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replace, replacement

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