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BMW S1000XR
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Slip on and exhaust valve
27 Feb 21, 13:24 PM
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Topic: Slip on and exhaust valve (Read 2375 times)
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wilbert
XR Pro
Topic Author
Posts: 192
Bike: 2018 XR Sport SE
Town: Lancashire
Country:
Slip on and exhaust valve
on:
February 09, 2019, 11:17:34 PM
So I'm thinking of getting a slip on can as funds wont stretch to a full system just yet. All the pics of exhausts I have seen attach by a link pipe behind the cat and the exhaust valve. Some companies mention the need for a servo eliminator. Is it necessary to remove the servo as I cant see the valve getting in the way of the slip on or affecting its use. I'm not opposed to disconnecting / removing the servo but don't want to buy unnecessary parts as money is tight at the moment. Advice please.
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#1
SimonUK
XR Master
Posts: 718
Bike: S1000XR,S1000R
Town: Upstate, SC
Country:
Re: Slip on and exhaust valve
Reply #1 on:
February 09, 2019, 11:22:42 PM
Pretty sure the servo 'Buddy' is only needed for full exhaust systems(and even then, only if you remove the servo motor, some just disconnect the cables and let them dangle)
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#2
wilbert
XR Pro
Topic Author
Posts: 192
Bike: 2018 XR Sport SE
Town: Lancashire
Country:
Re: Slip on and exhaust valve
Reply #2 on:
February 09, 2019, 11:25:18 PM
Cheers. Thought that may be the case.
What are the pro and cons for leaving it as it is compared to removing / disconnecting the servo?
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#3
smithy
XR God
Posts: 1663
Bike: 2017 S1000XR
Town: Brisvegas.
Country:
Re: Slip on and exhaust valve
Reply #3 on:
February 10, 2019, 06:19:01 AM
Truth be known, you don't even need the servo buddy, just disconnect and remove the cables, a fault code will be stored but it won't throw a light, so unless you use a GS-911 or Motoscan, you'll never know the difference. The valve is spring loaded "open" and will stay open once the cables are removed.
It won't sound much different as most of the "mufflering" is done in the cat..
Smithy.
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When I die, I want to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car..!
#4
Winger
XR God
Posts: 2879
Town: Birmingham
Country:
Re: Slip on and exhaust valve
Reply #4 on:
February 10, 2019, 07:04:24 PM
Originally Posted by
wilbert
Cheers. Thought that may be the case.
What are the pro and cons for leaving it as it is compared to removing / disconnecting the servo?
I don’t recall anyone posting about the pros and cons so give it a go and post your findings.
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#5
smithy
XR God
Posts: 1663
Bike: 2017 S1000XR
Town: Brisvegas.
Country:
Re: Slip on and exhaust valve
Reply #5 on:
February 11, 2019, 12:43:26 AM
Originally Posted by
Winger
I don’t recall anyone posting about the pros and cons so give it a go and post your findings.
Hmmm, not sure if there are any tbh, I believe the valve is there to allow the bike to conform with noise emissions laws, some believe it enhances low-end torque, I've not noticed any lack of low-end since fitting headers and losing the valve though.
Smithy.
Last Edit: February 11, 2019, 12:44:59 AM by smithy
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When I die, I want to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car..!
#6
wilbert
XR Pro
Topic Author
Posts: 192
Bike: 2018 XR Sport SE
Town: Lancashire
Country:
Re: Slip on and exhaust valve
Reply #6 on:
February 15, 2019, 04:50:39 AM
So I bought the slip on and fitted it the other day, a Delkevic 200mm carbon / stainless one. Easy to remove the stock can and fit this. Sounds well with the baffle removed and the pops and bangs on the over run are very loud. Hopefully I will get chance for a blast this afternoon if I can drag my arse out of bed in time after the nightshift.
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#7
LAMBO281
Ex Member
XR Master
Posts: 518
Country:
Re: Slip on and exhaust valve
Reply #7 on:
February 15, 2019, 08:01:58 AM
Originally Posted by
wilbert
So I bought the slip on and fitted it the other day, a Delkevic 200mm carbon / stainless one. Easy to remove the stock can and fit this. Sounds well with the baffle removed and the pops and bangs on the over run are very loud. Hopefully I will get chance for a blast this afternoon if I can drag my arse out of bed in time after the nightshift.
Oooooo nice any pics? Think you will go for a full system once developed?
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#8
wilbert
XR Pro
Topic Author
Posts: 192
Bike: 2018 XR Sport SE
Town: Lancashire
Country:
Re: Slip on and exhaust valve
Reply #8 on:
February 15, 2019, 10:25:32 PM
I may just do that if funds are available. Will post a pic soon.
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#9
wilbert
XR Pro
Topic Author
Posts: 192
Bike: 2018 XR Sport SE
Town: Lancashire
Country:
Re: Slip on and exhaust valve
Reply #9 on:
February 15, 2019, 10:34:42 PM
Not the best pic but I wasn't planning on posting it here. Will take a better one next time I get chance.
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