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 finnally getting mine!!! 
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Joined: Mon Jun 03, 2013 7:19 pm
Posts: 147
Only one question what are my exhaust options?


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Sat Jun 13, 2015 10:11 am
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Joined: Wed Sep 25, 2013 3:10 am
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Location: Ann Arbor
In a youtube video 650ib (channel) mentioned having a custom mid pipe (delete cat) and an akrapovic r6 or r1 slip on being custom fitted. It looked pretty good.

Not sure on anything actually for this bike yet, unless Brocks has them.


Sat Jun 13, 2015 10:27 am
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Joined: Mon Jun 03, 2013 7:19 pm
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Saw that I'm hopping that to be a last resort.


Sat Jun 13, 2015 10:38 am
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Well looks like Brocks all I see out.


Sat Jun 13, 2015 11:05 am
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Racefit, Akrapovic, Brock's, and Hindle have a slip-on. BEET in Japan has a full system and is coming out with a slip-on. Austin Racing just got their hands on a H2 and has plans of developing a full system. Trick Star in Japan has a few H2s and are developing an exhaust. Brock, Hindle, and Akrapovic are also developing a full system. I believe SC project is also developing a slip-on and possibly a full system. I may have missed one or two...but there is certainly more than just Brock's. BTW you'll love the bike...I know I do :).


Sat Jun 13, 2015 8:27 pm
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Wondering if a full pipe is even needed? Wouldn't want to lose bost for no reason. Any thoughts on an air filter?


Sun Jun 14, 2015 5:09 am
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I plan on going with a full system as long as gains are shown; however, I'm not sure if the full pipe would be needed. I hear that the cat/pre-muffler weighs something like 10lbs, and you can't remove it without cutting it off or getting a full system. I believe with Brock's initial design the full system actually lost a few ponies, but it also had larger head pipes than the R's and was probably oversized. That being said, all of the manufacturers that I know are working on a full system are higher end and usually see gains with their full exhausts or don't release them. As far as the air filter, I believe DNA is the only one with one out currently. As far as I know, no one has done back to back dynos vs stock, so no proven power gains there.


Sun Jun 14, 2015 7:57 am
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Yup just realized that about that converter :(


Sun Jun 14, 2015 8:37 am
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Joined: Mon Mar 04, 2013 2:37 pm
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Location: Devon, UK
Has anyone tried cutting the system after the headers and fitting a link pipe, to de-cat the system?

When I fitted a Brock's CT system to my 14 I had to fit the lambda sensor into the Brock's pipe and a PCV with an O2 eliminator, so there's a bit more to it than a hacksaw and a bit of pipe but it may be an option until a fully sorted system is available.

I'm going for the reflash and using the Akrapovic can on the stock system for starters. Not sure if the catalyst will survive all the extra heat though. Just waiting for the ECU to return, hopefully next week.


Sun Jun 14, 2015 11:03 am
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Joined: Wed Sep 25, 2013 3:10 am
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Location: Ann Arbor
Kawidrew, its a mechanical drive SC; I don't see how an exhaust change would lose boost.

Exhaust improvements have done nothing to hurt power on any of my friends supercharged cars, so the same should be true here.
Free it up as much as you can. As long as the ecu likes it (IE cat tuning).


Sun Jun 14, 2015 4:13 pm
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Boost is a restriction some should be lost when exhaust flow is opened up more. I don't know much about this blowe I believe it's variable speed. I don't have the bike in my hands yet its still at the dealer. I was not taking it without having insurance on it yet. Basically like on my car if I put bigger exhaust on it I have to put a smaller pulley on the blower to make the same boost.


Sun Jun 14, 2015 6:36 pm
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ok, I guess I miss spoke. it might show less restriction (boost) but make more power. unless the cams are so badly specced that its blowing the intake charge right out the exhaust, it'll make more power with a freeflowing exhaust.

Enjoy the bike, it looks like they are a monster when setup and ridden right. 650ib on youtube has some nice kills on his.

As for insurance, I know state farm covers you when bringing a new purchase home. not sure if that only applies to a vehicle you are replacing though. IE they realize that people buy stuff on the weekend when they are closed. no big deal.

Have fun.


Mon Jun 15, 2015 1:48 am
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Yes sir thanks. I actually have state farm at that point you know I was just like no rush now. Dealer was grate plus I'm going to take the original crate home if that means anything. I know these bikes are going to make good power, I actually live an hour from Guhl so I'm also hoping to try some different fuels.


Mon Jun 15, 2015 4:34 am
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When did you order yours? I ordered mine on 4/21, but haven't heard anything yet.

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Fri Jun 19, 2015 12:26 pm
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I did not order. I got lucky it was on the show room floor since april. I looked at it a few times an we finnaly came to an agreement. Almost not fair I know.


Fri Jun 19, 2015 4:52 pm
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KawiDrew wrote:
I did not order. I got lucky it was on the show room floor since april. I looked at it a few times an we finnaly came to an agreement. Almost not fair I know.


Good deal! I needed time to get my finances in order, so ordering worked out well for me. I also was seeing some dealers pushing for more than retail, and didn't want to deal with that.

Congrats, and hopefully I won't be far behind you! :bigthumb:

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Sun Jun 21, 2015 10:17 am
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Thanks Shane I actually have think I received a good deal on my bike. Now we just need more people to get them to start playing with them. Right now I'm stumped I'm only getting 1/4 of boost I'm not sure if this is due to break in electronics or not enough rpm.


Sun Jun 21, 2015 12:51 pm
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Boost is rpm dependant, so if your limiting rpm for break in then yes; I would say that's it. I haven't heard anyone else say it has a "soft" tune in it for initial break in. ala bmw.


Sun Jun 21, 2015 3:15 pm
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I'm talking about from stop to 8k rpm only seeing quater boost or from a roll from like 2k to 8k.


Sun Jun 21, 2015 3:31 pm
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Answered my own question needed more rpm. Not to take anything from the bike guess I expected alot more down low. Of course I am used to supercharged cars an 1441cc.


Sun Jun 21, 2015 7:11 pm
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yeah, that's it. It still doesn't make the TQ down low a 14r does. I don't care what people say about "feel". all you have to do is look at the dyno charts. 14r 108-112 (or more) tq vs the H2's 99 # ft stock. at probably a higher rpm.

That being said, I'm becoming more and more impressed with the H2 once its flashed. Ive never hazed a rear tire in ktrc mode 1 the way 650ib from youtube has on his when racing.

A modded H2 deserves a ton of respect. The stock one too, but its too neutered in oem form (as our bikes and the 10r is). and for the 25K it should make the 230-240 a flashed one will.

Enjoy that beast. This post is in no way meant to dog the H2. I just cant afford one :( .
and I'm not sure I would if I could. ONLY because at this point it makes more sense to turbo my 14r.


Mon Jun 22, 2015 2:59 pm
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I'm a firm believer this bike will make mid 200s no problem. Guhl is local to me. We have talked an he thinks there maybe more left from his original tune. These bikes are just coming out there definitely gonna be improvements. But I still love my 1441. There is no comparison to a 10r or a 14r in anyway with this bike at all an honestly I have not really gave her hell yet an I will let people know my honest opinion there is alot going on with this bike that I'm learning.


Mon Jun 22, 2015 4:05 pm
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