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Old April 9th, 2016, 06:57 AM   #1
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Exhaust Valve Removal is a must!###

Hi Everyone!

So over the past few weeks I have been doing alot of research on aftermarket pipes trying to choose the best to go for, during my research I noticed alot of questions about the existing exhaust Valve which has been introduced to the EU marketed models to reduce the noise levels across the RPM range.

Well this has now gone! And so has my need to buy an aftermarket pipe as boy does the stock now sound good! Not only has the sound changed but the smoothness of the engine breaking is now much better aswell.

I advise you all to give it a try, it's very easy to do and easily reversible.

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Old April 9th, 2016, 07:24 AM   #2
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You should still think about an Akra IMO. Looks amazing, way better than stock, and pops wonderfully on deceleration.

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Old April 10th, 2016, 05:59 PM   #3
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Couldn't agree more. I have same set up now as Jokeshopbeard.
Exhaust valve disconnected has totally transformed the bike. No more heavy engine braking and has all but eradicated the surging issue I was experiencing.
Totally fallen in love with the bike again and the exhaust note from the Akra is just heaven.
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Old April 11th, 2016, 12:30 AM   #4
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Quote:
Originally Posted by Jokeshopbeard View Post
You should still think about an Akra IMO. Looks amazing, way better than stock, and pops wonderfully on deceleration.

Wow! That is a blinder! How much are they?

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Old April 12th, 2016, 10:04 AM   #5
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Managed to pick my up for about 450-500 buying from Europe using eBay.

It's worth mentioning that the can comes separate from the link pipe - they do a version with cat and a version without.
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Old April 12th, 2016, 10:42 AM   #6
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I'm very keen to get one but the missis is not so keen lol, I'll have to do some cash jobs!

Gained 2mpg since removing the valve..

What mpg are you getting?

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Old April 12th, 2016, 11:18 AM   #7
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You know I honestly couldn't tell you. I don't think I've ever looked at MPG figures. I'm kinda irresponsible about such things, I just like having as much fun as possible whatever the cost!!
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Old May 10th, 2016, 03:45 AM   #8
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Noobie here, how do you remove it?
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Old May 11th, 2016, 09:01 PM   #9
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Many other threads explain the disconnect but it is down at exhaust below the passenger seat. Just turn the key and listen for the valve and you will know where it lives. Remove 2 bolts and lossen the cable, let it hang loose. replace cover and bolts. Some like to remove the servo but I kind of enjoy the weewoo noise at startup. On my 15' Hyper 821 it makes the exhaust louder at RPM's above about 3k+. I think the valve partially closes at various throttle openings but NOT at idle. Driveability about the same except I have noticed a slightly snappier response at higher rpm (6k+). Much better sound from the stock exhaust now as my SO says the dog can hear me about 1/4 mile away after the switch. Easy to put it back to stock if you want. Try it out!
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