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 Post subject: Re: exhaust repacking
PostPosted: 31 Jul 2022 13:51 
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Joined: 01 Aug 2018 19:58
Posts: 1718
Current ride: Buell 1125R
Third attempt at packing my torque hammer & hopefully done this time.
Quite a bit quieter without any power loss.
Two types of stainless gauze wrapped round the perf tube. to protect the wadding.
Course 1.5ml holes x 4 wraps & 100 micron gauze over that x 6 wraps & both tied with stainless wire, wadding just wrapped as tight as I could get it.
Just done 50 miles with no change in sound, so more confident that it's ok this time.
Smoked like a two stroke when I first started it till it burnt off the coating on the gauze.
All in all though a good learning experience.
Have a great day all.

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 Post subject: Re: exhaust repacking
PostPosted: 31 Jul 2022 16:55 
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Joined: 07 Nov 2011 18:10
Posts: 4060
Current ride: Buell ulysses
Location: Telford
3rd time lucky hopefully :yup:

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 Post subject: Re: exhaust repacking
PostPosted: 01 Aug 2022 15:17 
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Joined: 01 Aug 2018 19:58
Posts: 1718
Current ride: Buell 1125R
Another 100 + miles today & still sounds like it's doing it's job ok. Much quieter at cruising speeds and deeper in tone, plus it doesn't set car alarms off in little villages. All is well until the butterflies are straight, even then it howls rather than sounding like two Manx Norton's with straight through mega's.
Quite pleased with the results.

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 Post subject: Re: exhaust repacking
PostPosted: 21 Aug 2022 18:28 
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Joined: 01 Aug 2018 19:58
Posts: 1718
Current ride: Buell 1125R
After the resounding success of the latest rebuild of my Torque Hammer silencer, I decided to do exactly the same rebuild on my HMF silencer. Cleaned it up while I was at it.
It runs fine with my T.H. ECU although was extremely loud & very droney which was a bind after a couple of miles.
It is a great pipe though with very different characteristics to the Torque Hammer & should be a better sound as well now.
Pics below, any questions please ask.


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 Post subject: Re: exhaust repacking
PostPosted: 22 Aug 2022 12:52 
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Joined: 01 Aug 2018 19:58
Posts: 1718
Current ride: Buell 1125R
Runs great & sounds much better than it did after it's warmed through.
Definitely not an out & out race exhaust, manages torque very differently, much smoother delivery curve from low down to flat out, easier round town & great for blasting around the lanes. Feels a little more restrictive & definitely not as exhilarating as riding with the Torque Hammer.


Attachments:
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 Post subject: Re: exhaust repacking
PostPosted: 21 Oct 2022 11:54 
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Joined: 01 Aug 2018 19:58
Posts: 1718
Current ride: Buell 1125R
So....
Just a report on the HMF exhaust really.
I've been riding with this HMF for around a month, 750 miles or so and it still sounds great, nice deep tone & continues to perform like did after first rebuilding it, so hopefully no degradation of the baffling and quiet enough to stay under the radar. The Torque Hammer ECU was a little on the rich side for it, so changed the ECU for another that has the correct tune on for this exhaust, that was done after around 100 miles or so.
All seems fine so far.

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 Post subject: Re: exhaust repacking
PostPosted: 21 Oct 2022 13:00 
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Joined: 05 May 2009 20:00
Posts: 10866
Current ride: X1 2001
Location: southampton
:mrgreen: :sun:

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 Post subject: Re: exhaust repacking
PostPosted: 21 Oct 2022 14:20 
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Joined: 01 Aug 2018 19:58
Posts: 1718
Current ride: Buell 1125R
:yup:

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 Post subject: Re: exhaust repacking
PostPosted: 21 Oct 2022 17:12 
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Joined: 06 May 2009 17:10
Posts: 2481
Current ride: 99 Cyclone M2
Location: Liverpool
Good stuff :yup:

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 Post subject: Re: exhaust repacking
PostPosted: 21 Oct 2022 17:14 
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Joined: 01 Aug 2018 19:58
Posts: 1718
Current ride: Buell 1125R
:yup:

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