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General Category >> Rubber Side Down! >> Stupid question of the day.....
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Message started by MShipley on 12/29/16 at 05:53:06

Title: Stupid question of the day.....
Post by MShipley on 12/29/16 at 05:53:06

I bought a Dyna muffler on line. If I can see straight through the muffler that is because the baffles have been removed? Yes! or No!

It is way louder than I anticipated......

Title: Re: Stupid question of the day.....
Post by Serowbot on 12/29/16 at 05:54:56

Yes!

You can rebaffle it by driving a freeze plug down to the midpoint of the tube. As long as the inner walls aren't rusted out.

Title: Re: Stupid question of the day.....
Post by Dave on 12/29/16 at 06:14:04

A 1-1/4" freeze plug from the Auto Parts store will fit.

You need to drive it from the inlet side, and move it doewnto the position between the front/back holes in the side of the tube. From what I remember, there may not be an equal number of holes on each side - but there will be a gap where the original bulkhead was located (and most likely some broken spot welds are visible).

Title: Re: Stupid question of the day.....
Post by MShipley on 12/29/16 at 07:01:03

Thanks guys I will try that, the internals of the unit look good to me.

Title: Re: Stupid question of the day.....
Post by MShipley on 12/29/16 at 17:59:15

Well it did not work for this muffler....from the inlet there is a 6" space with no holes, this section is about 1 3/4 " , this opens to the rest of the unit that is over 2" diameter all the way to the end.........ohhh well.........anyone got a good Dyna muffler?

Title: Re: Stupid question of the day.....
Post by zipidachimp on 12/30/16 at 00:52:43

2 for $40 on ebuy!

Title: Re: Stupid question of the day.....
Post by Dave on 12/30/16 at 04:25:02

1D033839203C3529500 wrote:

You must not have bought a real Harley DYNA.....

Title: Re: Stupid question of the day.....
Post by MShipley on 12/30/16 at 04:27:47

I believe you are correct.

Title: Re: Stupid question of the day.....
Post by Dave on 12/30/16 at 05:07:20

If it is a real Harley factory muffler...it will have a part number and say Harley on it.

Title: Re: Stupid question of the day.....
Post by MShipley on 12/30/16 at 05:14:25

It does but it is a 64941-94.....I see a few on ebay that say they are 64941-01 ( this is the number listed in the Tech section as the one to get) but I am not sure they are off a Dyna or not. Will any 64941-01 work as long as the baffles are not cut out?

Title: Re: Stupid question of the day.....
Post by Dave on 12/30/16 at 06:08:26

I don't believe anyone has ever made a list of Harley muffler part numbers and what they mean.

This is the most comprehensive thread we have on the Harley Mufflers.

http://suzukisavage.com/cgi-bin/YaBB.pl?num=1298689417

Title: Re: Stupid question of the day.....
Post by verslagen1 on 12/30/16 at 07:55:45

the last 2 digits refer to the 1st year the part was made.
so an 01 has a change for some reason from the 94

Title: Re: Stupid question of the day.....
Post by piedmontbuckeye on 12/31/16 at 04:54:02

I found this thread (and the hyper-jump) very informative and useful. Great discussion guys!

Title: Re: Stupid question of the day.....
Post by MShipley on 01/03/17 at 18:21:38

So I picked up a new unit. Not a shorty but I think it looks great and sounds awesome. Wasser supposedly off a Sports terrie but had a rail mount. Bolted right up , even got both bolts into the rail. Love it. Thanks for all the info.

Title: Re: Stupid question of the day.....
Post by MShipley on 01/03/17 at 18:24:18

LOL, that sentence was suppose to read " was supposedly off a sportster".

Title: Re: Stupid question of the day.....
Post by Kenny G on 01/03/17 at 19:55:22

M,

It looks good.

Kenny G