Gen 4: 2011-2015 R77D 3/4 or brocks - Kawasaki ZX-10R.net
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post #1 of 18 Old 03-30-2013, 04:00 AM Thread Starter
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R77D 3/4 or brocks

Right now I have the yoshi r77-d 3/4 exhaust http://www.yoshimura-rd.com/ps-4599-...34-system.aspx

I am debating switching to brocks, the bike only made 177 on the dyno. The shop guy keeps telling me I can for sure get close if not into 190 with brocks and a few other people are saying the link pipe is really hurting power. Only thing is I really like the look of the slip on but if i can get into 190 it'd be worth losing that lol.

When I was at tx2k13 I met a guy that has full brocks and is making over 190 aswell. If it is only a few hp gain it won't be worth it to me but if it's a substantial gain then yes.

Or the other option would be to try and find a different link pipe to get rid of the twisty bendy thing, no idea what the point of it is anyways, if that'd get any gains instead of brocks because frankly I don't much like the look of brocks anything for exhaust and the yoshi carbon fiber looks really nice on the black bike.

Or I also have nitrous for more power when I want it, but that's a hassle I don't like using it, wheelies to much and it's funner to troll people n/a. Kinda wasted my money there unless I stretch.
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post #2 of 18 Old 03-30-2013, 04:54 AM
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The twisty bendy thing is there to build some bottom end/mid range back into the gen 4. The gen 4 is a very top end bike and needs fatening up in the rest of the rev range. I have the R77d 4/3 and love it. But I also have a Euro spec bike and make more power than the US spec bikes.
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post #3 of 18 Old 03-30-2013, 08:35 AM
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I had a Brocks slipon Alien head and it made 180 hp in 95 degree heat. I'm actually selling.. Check it out if interested. I have a stubby graves one on their now. No real performance difference. Just like the look abit better.
https://www.zx-10r.net/forum/showthread.php?t=132121

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post #4 of 18 Old 03-30-2013, 04:42 PM
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Are you using the quiet insert with the yosh pipe?
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post #5 of 18 Old 03-30-2013, 05:03 PM
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Isn't Brocks more used for drag bikes? I don't think i have ever seen one up close and personal on a regular street bike. Aren't they meant to be louder than hell? I mean the LOR pipe i have is stupid loud, and for some reason i imagine the Brocks is louder.

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post #6 of 18 Old 03-30-2013, 05:26 PM
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Quote:
Originally Posted by fireman69 View Post
Are you using the quiet insert with the yosh pipe?
On the R77 D there isn't an option for a quiet insert. It's a fairly relaxed pipe, very muted. The Yoshi R77 (no "D) does allow for a quiet insert.


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post #7 of 18 Old 03-30-2013, 06:46 PM
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Yoshi

Keep the can and buy an Akrapovic or Leo vince link pipe. Not expensive and more direct. I have the Leo Vice link pipe which has a small resonator on it. The Akrapovic is straight through. That will get it singing:)
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post #8 of 18 Old 03-30-2013, 09:26 PM
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I have the r77d with akro link pipe love it, has nice volume and adds a couple ponys getting of the cat, and looks way better
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post #9 of 18 Old 03-30-2013, 10:36 PM
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I have the Akro can and mid pipe on my race bike. It is loud as hell. I just bought the r77 (not dual opening) and need to use it for one of the tracks we race on due to sound regulations. Hoping it is somewhat comparible to the akra
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post #10 of 18 Old 03-30-2013, 10:56 PM
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You'll likely be waiting a few weeks if you order a Brock's pipe. My friend ordered one and won't stop bitching about how long it's taking to get to him.

The Alienhead on the Gen4 seems like it will easily make contact with your heel. Not a fan at all.


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