Akrapovic muffler adapted to Werkes... - Ducati Supersport 939 Forum
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post #1 of 12 (permalink) Old 10-25-2019, 05:42 PM Thread Starter
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Akrapovic muffler adapted to Werkes...

After 3 years of trying to quiet the brash, irritating, loud sound coming out of my Comp. Werkes exhaust...I gave up. Was gonna switch to the Termi, but this very sweet Akrapovic muffler, made to fit a 939 Hypermotard (pretty close) caught my eye...Revzilla had the best price plus 30 day return, no restock, if I didn't think it would work. I know 5 minutes after I had it, I wouldn't be returning it...I can weld stainless, but not titanium, so all modifications were done to the Werkes stainless pipe...the Akra is feather-light, way less than half the Werkes muffler, so I was able to mount it using springs only, along with a very snug pipe fit.

The sound? Well, let's just say my 3 year headache suddenly disappeared. I got it now, pure Ducati sound! Pure Akrapovic sound. Two-cylinder Ducati's have a unique & wonderful sound, and I'm so glad to have it now. It's almost too quiet now, but after that grating racket, the Akra sounds very pleasant...plus, I can still remove the baffle. Yes, I considered the Akra system for the SSS, but didn't like the high, dual pipes...there's a perfect spot for the muffler, down low on the right side...
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post #2 of 12 (permalink) Old 10-25-2019, 08:11 PM
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Would be nice to hear audio of it. Love your forged Marchesini wheels.

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post #3 of 12 (permalink) Old 10-25-2019, 09:12 PM
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Man, that looks great. Iíd buy one opinion a heartbeat if it was available.
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post #4 of 12 (permalink) Old 10-26-2019, 01:54 AM
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Quote:
Originally Posted by Blacksport View Post
After 3 years of trying to quiet the brash, irritating, loud sound coming out of my Comp. Werkes exhaust...I gave up. Was gonna switch to the Termi, but this very sweet Akrapovic muffler, made to fit a 939 Hypermotard (pretty close) caught my eye...Revzilla had the best price plus 30 day return, no restock, if I didn't think it would work. I know 5 minutes after I had it, I wouldn't be returning it...I can weld stainless, but not titanium, so all modifications were done to the Werkes stainless pipe...the Akra is feather-light, way less than half the Werkes muffler, so I was able to mount it using springs only, along with a very snug pipe fit.

The sound? Well, let's just say my 3 year headache suddenly disappeared. I got it now, pure Ducati sound! Pure Akrapovic sound. Two-cylinder Ducati's have a unique & wonderful sound, and I'm so glad to have it now. It's almost too quiet now, but after that grating racket, the Akra sounds very pleasant...plus, I can still remove the baffle. Yes, I considered the Akra system for the SSS, but didn't like the high, dual pipes...there's a perfect spot for the muffler, down low on the right side...
I recall you being one of the first, if not the very first, to try the CW on the SS. You always felt it was too loud.
What is the pipe diameter? Is it a 50mm, or 55mm.?
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post #5 of 12 (permalink) Old 10-26-2019, 04:30 AM
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Quote:
Originally Posted by Blacksport View Post
After 3 years of trying to quiet the brash, irritating, loud sound coming out of my Comp. Werkes exhaust...I gave up. Was gonna switch to the Termi, but this very sweet Akrapovic muffler, made to fit a 939 Hypermotard (pretty close) caught my eye...Revzilla had the best price plus 30 day return, no restock, if I didn't think it would work. I know 5 minutes after I had it, I wouldn't be returning it...I can weld stainless, but not titanium, so all modifications were done to the Werkes stainless pipe...the Akra is feather-light, way less than half the Werkes muffler, so I was able to mount it using springs only, along with a very snug pipe fit.

The sound? Well, let's just say my 3 year headache suddenly disappeared. I got it now, pure Ducati sound! Pure Akrapovic sound. Two-cylinder Ducati's have a unique & wonderful sound, and I'm so glad to have it now. It's almost too quiet now, but after that grating racket, the Akra sounds very pleasant...plus, I can still remove the baffle. Yes, I considered the Akra system for the SSS, but didn't like the high, dual pipes...there's a perfect spot for the muffler, down low on the right side...
Looks great. How the termi should’ve been done, with regards to position, angle etc. How much did you have to do modify the CW pipe?

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post #6 of 12 (permalink) Old 10-26-2019, 07:28 AM
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Notice that CW sells an insert for the SS exhaust. Has anyone tried that to quieter the CW muffler? Love the look of CW system installed. Too bad they donít just sell the cat delete pipe sans muffler.

Large Exhaust Insert | 1.5
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post #7 of 12 (permalink) Old 10-26-2019, 11:34 AM
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Quote:
Originally Posted by Paddlefoot64 View Post
Notice that CW sells an insert for the SS exhaust. Has anyone tried that to quieter the CW muffler? Love the look of CW system installed. Too bad they donít just sell the cat delete pipe sans muffler.

Large Exhaust Insert | 1.5
I have the baffle in mine but it's still very loud as @Blacksport described. I wear ear plugs so it doesn't bother me as much anymore and when you're ripping around it's sounds pretty mean.

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post #8 of 12 (permalink) Old 10-26-2019, 12:01 PM Thread Starter
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Answers to questions...

I'll try to make a video/audio soon...I can tell you the sound is fantastic...pure Ducati. Nobody brings out the Ducati sound like Akrapovic.

The muffler is available, Revzilla, but you have to have Comp Werks system installed...buying both wouldn't be outrageous, about $1700...knowing the incredible sound, it would be worth it...the Akra for SSS is like $2500, right?

The Werkes pipe swells out to around 60mm where I cut the muffler off, which was still slightly loose in the Akra inlet...since we had to add about 3/4", we made the diameter a snug fit, and canted slightly to keep the muffler in tight. The snug fit and springs alone hold the muffler on tight.

Yes, the Termi should have a more upward slant...still a pretty good system with a very good sound...

I must have tried 5 or 6 modified inserts, with varying baffles, to try and capture the Ducati sound. No luck...something about that CW muffler, it will not make a pleasant sound, IMO...

Bruce...get the Akrapovic muffler, it's $550 at Revzilla...take your CW muffler off at the clamp...send both to me...I'll send it back, you slide it on and you will be AMAZED!
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post #9 of 12 (permalink) Old 10-26-2019, 09:28 PM
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Quote:
Originally Posted by Blacksport View Post
I'll try to make a video/audio soon...I can tell you the sound is fantastic...pure Ducati. Nobody brings out the Ducati sound like Akrapovic.

The muffler is available, Revzilla, but you have to have Comp Werks system installed...buying both wouldn't be outrageous, about $1700...knowing the incredible sound, it would be worth it...the Akra for SSS is like $2500, right?

The Werkes pipe swells out to around 60mm where I cut the muffler off, which was still slightly loose in the Akra inlet...since we had to add about 3/4", we made the diameter a snug fit, and canted slightly to keep the muffler in tight. The snug fit and springs alone hold the muffler on tight.

Yes, the Termi should have a more upward slant...still a pretty good system with a very good sound...

I must have tried 5 or 6 modified inserts, with varying baffles, to try and capture the Ducati sound. No luck...something about that CW muffler, it will not make a pleasant sound, IMO...

Bruce...get the Akrapovic muffler, it's $550 at Revzilla...take your CW muffler off at the clamp...send both to me...I'll send it back, you slide it on and you will be AMAZED!
I donít doubt the Akra sounds awesome and I appreciate the offer but I need to think about it. Iíve already spent a ton on accessories for the SS. I also have a CF belly pan that works great with the CW exhaust but only clears the pan by 1/4 inch so not sure it will clear the Akra. Lastly my exhaust is black which I love against a white bike. My next purchase will most likely be upgrading my riding jacket and pants to leather from textile. Thinking Dainese Racing 3 perforated.
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post #10 of 12 (permalink) Old 10-27-2019, 11:49 PM
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Really like the look of your black CW on your white SS @brucemswan . I too was worried about the volume of the CW as many here said it was very loud even with baffle in. That and cost swayed me into getting the Termi...I love the sound of the Termi and the looks is growing on me...lol

I can appreciate your dilemma, the cost of aftermarket exhausts does stress one's gear budget.
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