Baffles removal from stock pipes - Triumph Bobber Forum
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post #1 of 20 (permalink) Old 04-15-2018, 07:16 AM Thread Starter
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Baffles removal from stock pipes

So I read that the 1st and 2nd baffles can be cut out using a drill and circular cutter. Anyone know of any vids that show the process?
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post #2 of 20 (permalink) Old 04-15-2018, 07:29 AM
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There are a few members who have done this.
Try the search function for now, but I’m sure a few members will chime in soon with some input.
Personally, I have left the OEM’s stock. So I can’t comment on gutting them.
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post #3 of 20 (permalink) Old 04-16-2018, 11:04 PM
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It would be great if we can get our hands on some video though if anyone is volunteering
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post #4 of 20 (permalink) Old 04-17-2018, 02:19 AM
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I would honestly imagine it to sound unrefined and pretty wet farty?
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post #5 of 20 (permalink) Old 04-17-2018, 03:00 AM
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Quote:
Originally Posted by Mike J Commo View Post
I would honestly imagine it to sound unrefined and pretty wet farty?
Now THERES an image (and sound) i didn´t need at 8 in the morning - especially with my boiled egg breakfast

From the vids i´ve heard of the de-baffled OEM exhausts, they sounded pretty good. But not sure about back pressure and potential hp loss. Maybe none but can´t say first hand.
I do know that with the baffles IN my Zards, the seat of my pants test tells me that the bike pulls better.
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post #6 of 20 (permalink) Old 04-17-2018, 03:10 AM
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Quote:
Originally Posted by eisen77 View Post
Now THERES an image (and sound) i didn´t need at 8 in the morning - especially with my boiled egg breakfast

From the vids i´ve heard of the de-baffled OEM exhausts, they sounded pretty good. But not sure about back pressure and potential hp loss. Maybe none but can´t say first hand.
I do know that with the baffles IN my Zards, the seat of my pants test tells me that the bike pulls better.
My apologies... I didn’t mean to be so eggspletive!

That’s a fair point you raise... the lack of back pressure and improper harmonics could well effect flow to a point of being sacrificial to hp.
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post #7 of 20 (permalink) Old 04-17-2018, 05:43 AM Thread Starter
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My understanding is that the ECU has enough leeway in it to cope with the loss of back pressure. I've also heard one with the baffles removed and it actually sounds pretty good
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post #8 of 20 (permalink) Old 09-08-2019, 06:56 PM
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Anyone on here done this and happy with result?

2019 Bonneville Bobber - Morello Red, 1979 Bonneville T140E, 1954 BSA B31
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post #9 of 20 (permalink) Old 09-11-2019, 06:06 PM
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Just get the British customs drag pipes

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post #10 of 20 (permalink) Old 09-12-2019, 07:26 AM
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I have these on mine, bought off eBay. Runs fine, sounds louder then stock. They’re shorter so I assume some gutting has taken place?
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