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Message started by JIbber Jabber on 11/14/16 at 18:02:09

Title: Dyna muffler install with ryca adaptor trouble
Post by JIbber Jabber on 11/14/16 at 18:02:09

So I had a friend with some mechanical experience help me install my dyna muffler. I ordered the ryca adaptor and with trial and error we managed to get the adaptor on to both ends, but we couldn't get to muffler side to go on all the way in, even after knocking it with a hammer. After putting on sealant paste and screwing on the clamps, I thought we were done. However, after starting it up we noticed that the clamp didn't fully cover the space/holes between the adaptor and muffler and felt exhaust coming out although it sounded amazing :) (pictures attached). Should I replace it with a wider T-clamp? He suggested I put on sealent paste and fiberglass wrap, and then clamp it. What are you thoughts?

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by Kenny G on 11/14/16 at 18:05:39

A genuine Harley Davidson exhaust clamp may be wide enough. Harley clamps are cheap and they can be tightened.

Kenny G

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by Kris01 on 11/14/16 at 18:48:54

I wrapped my muffler end under the clamp in aluminum foil and high temp silicone to block the exposed holes. 3 or 4 wraps a few inches wide ought to do it. ;)

Just make sure to "glue" it down with the silicone.

It hasn't blown out or disintegrated in 2 years.

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by stewmills on 11/15/16 at 06:51:13

DON'T do what I did and use HVAC foil tape. What happens as soon as it get hot is melt the glue and it burns and stinks and creates a mess. It was a good idea, until it got hot. I actually cranked it up before installing the rear muffler bolts and as soon as it got hot and slippery, I goosed the throttle and sent my muffler shooting off of the bike like a rocket.

Lesson learned!

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by ohiomoto on 11/15/16 at 08:12:25

393E2F3D27232626394A0 wrote:

...I goosed the throttle and sent my muffler shooting off of the bike like a rocket.

Lesson learned!

LOL!

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by JIbber Jabber on 11/15/16 at 15:46:21

Will it damage the bike/engine if I ride it till I cover hole? Don't really know too much about back flow and if that applies to this.

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by Dave on 11/15/16 at 16:53:52

7D6A6B636A78763F3F380F0 wrote:

Will it damage the bike/engine if I ride it till I cover hole? Don't really know too much about back flow and if that applies to this.

No - but it might damage your hearing.

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by Serowbot on 11/15/16 at 16:54:28

585F4E5C46424747582B0 wrote:

It was a good idea, until it got hot.

;D ;D ;D

JJ... no harm from a small leak... maybe a little extra backfiring, and noise...
DO take care of it eventually,.. no need to annoy people..
8-)

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by Kris01 on 11/15/16 at 18:04:35

Stew, I did the same thing with my muffler except it was at 40 mph. I rigged my mount badly the first time I put the Dyna on. I was in a hurry to ride and didn't properly mount the bolt to hold the muffler to the frame. It shot off the bike and landed across the street. Luckily it was in front of a house of a guy with a '57 Harley. He had a nice shop behind his house and was really helpful.

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by batman on 11/15/16 at 18:58:34

The muffler may start to blue around the holes due to hot gases escaping.

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by zipidachimp on 11/15/16 at 21:24:33

I just installed my RYCA adapter this afternoon. Half an hour with a grinder let me slide it in past the slot holes. Forgot to use muffler cement before hammering it on. Muffler cement WAS used on the other end, but I can't test the assembly until tomorrow. Cranked the clamp down tight, hope it works.
ps: the chrome clamp from RYCA is 10/10 for looks and strength. Drilled it out for a 3/8" bolt.

Title: Re: Dyna muffler install with ryca adaptor
Post by JIbber Jabber on 12/09/16 at 10:46:17

Thx for the suggestions and recommendations. I ordered the below parts and installed (see pictures). However, I was not able to cover both slits because I couldn't fully rotate the clamp due to the frame (thus you see the back side of the clamp below the heat shield). Its leaking a little air/exhaust from the bottom slit, so I'm thinking of grinding off the tip of the screw on the clamp so that I can fully rotate the clamp to cover both slits. What are your thoughts?

https://www.amazon.com/gp/product/B000WJ6W06/ref=oh_aui_detailpage_o03_s01?ie=UTF8&psc=1

http://www.ebay.com/itm/161356639721?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Title: Re: Dyna muffler install with ryca adaptor. Update
Post by JIbber Jabber on 12/09/16 at 10:48:59

The full picture on all her glory [ch128522]

Title: Re: Dyna muffler install with ryca adaptor trouble
Post by hotrod on 12/09/16 at 19:51:28

The Dyna muffler saves a lot of weight and looks really good. It also seems very restrictive , about as much as the stocker.