Tri-oval silencer mod - Road Star Warrior Forum : Yamaha Star Warrior Forums

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Old 12-02-2012, 01:42 PM   #1 (permalink)
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Default Tri-oval silencer mod

I fancied a change from the V&H Big shots.

I picked up a set of chrome headers a while ago and recently bought this Delkavic stainless silencer.



Once I had worked out how I wanted the silencer to sit on the bike, I made an aluminium mounting bracket to suit and then rivetted it to the silencer.

I then made a mild steel link pipe.
This turned out to be the most time consuming and annoying part of the job.

I tried to get a link pipe made at a specialist exhaust manufacturing company called "GT Exhausts" in Northern Ireland.
Frustratingly, they had two failed attempts at it.
The guy that did the work seemed to be unable to read a drawing and I got the impression that (on both occasions) he was in too much of a hurry to get it done,
even if it meant that the end product wasn't true to the drawing provided! Grrr....
So - after spending a few and driving 108 miles - in two wasted journeys over the border, I cut up the second reject pipe and made one myself.
I intend to replace it with a stainless one when I can find someone capable of producing it!

I fitted the silencer using an M6 bolt with a small nylon spacer inserted into the frame mounting point and a spacer between the frame and bracket.


Attached Images
File Type: jpg Silencer mounting bracket.jpg (189.2 KB, 48 views)
File Type: jpg Bracket2.jpg (124.0 KB, 33 views)
File Type: jpg Bracket3.jpg (151.4 KB, 33 views)
File Type: jpg Bracket fitted.jpg (141.3 KB, 48 views)
File Type: jpg link pipe.jpg (182.9 KB, 50 views)
File Type: jpg link fitted.jpg (180.6 KB, 52 views)
File Type: jpg Getting the silencer angle right.jpg (201.8 KB, 59 views)
File Type: jpg Stainless Tri-oval.jpg (235.1 KB, 72 views)
File Type: jpg Silencer rear view.jpg (120.1 KB, 62 views)
File Type: jpg Silencer fitted.jpg (182.4 KB, 48 views)
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Last edited by jarv; 12-03-2012 at 05:54 PM.
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Old 12-02-2012, 02:00 PM   #2 (permalink)
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Default pipe

[quote=jarv;2347960]I fancied a change from the V&H Big shots.

I picked up a set of chrome headers a while ago and recently bought this Delkavic stainless silencer.



Once I had worked out how I wanted the silencer to sit on the bike, I made an aluminium mounting bracket to suit and then rivetted it to the silencer.

I then made a mild steel link pipe.
This turned out to be the most time consuming and annoying part of the job.

I tried to get a link pipe made at a specialist exhaust maunufacturing company called "GT Exhausts" in Northern Ireland.
Frustratingly, they had two failed attempts at it.
The guy that did the work seemed to be unable to read a drawing and I got the impression that (on both occasions) he was in too much of a hurry to get it done,
even if it meant that the end product wasn't true to the drawing provided! Grrr....
So - after spending a few and driving 108 miles - in two wasted journeys over the border, I cut up the second reject pipe and made one myself.
I intend to replace it with a stainless one when I can find someone capable of producing it!

I fitted the silencer using an M6 bolt with a small nylon spacer inserted into the frame mounting point and a spacer between the frame and bracket.



Looks great Jarv. How does it sound???
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Old 12-02-2012, 02:09 PM   #3 (permalink)
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I started it in the workshop and It's slightly muffled compared to the Big shots.
It's got a removable baffle - so I'll reserve my judgement untill I hear it in its "open" condition on the road.
They have been laying salt on the roads this week - so I won't be test riding it any time soon.
I few slightly warmer days and a good old downpour or two should sort the roads out!

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Old 12-02-2012, 02:36 PM   #4 (permalink)
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Triangular? Looks strange...so what does that mean...?
It is the right piece for you, my friend!
I'm very curios to see and hear it in Dresden!
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Old 12-02-2012, 03:17 PM   #5 (permalink)
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I like it!!! I've had a few tri-oval Yoshi's over the years, and they're a cool looking silencer. Been a while since we've seen any modding from you awesome as always, jarv.
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Old 12-02-2012, 03:43 PM   #6 (permalink)
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Looks good, i like it. ....Frec....U.K..
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Old 12-03-2012, 01:11 AM   #7 (permalink)
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Another fantastic mod Jarv, nice work. It'll sound great with or without the baffle, right!
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Old 12-03-2012, 03:42 AM   #8 (permalink)
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hey jj....awesome look....and as usual achieved with outstanding detail....so you managed to re align the the angle of the joint? - and as for the rear top hanger bracket ..a ruddy work of art ...hand beaten to shape as always ..and amazing work

fingers crossed for the 'music' turning out to be in favour...you'll have to stick it on the tube for us all to hear now
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Old 12-03-2012, 07:34 AM   #9 (permalink)
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It looks badass. Definately goes with the bike!
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Old 12-03-2012, 08:42 AM   #10 (permalink)
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Looks awesome, can you post a video clip of sound? Even just in the garage?
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