Gen 4: 2011-2015 The Difference between a Slipon and Full Graves system - Kawasaki ZX-10R.net
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post #1 of 20 Old 05-27-2013, 11:53 AM Thread Starter
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The Difference between a Slipon and Full Graves system

I wanted to know for myself really what the weight and design differences were from the OEM Ti system and the aftermarket Graves system.

Well I bought a Graves slipon a few months back. I actually enjoy the sound of it, it isn't what I would call loud. That is a plus!!

Then a forum member posted up a used Full SS Graves system.. Of course, most people know that there isn't alot TOP END POWER to be gained over the VERY WELL designed OEM Titanium system from Kawasaki.

But what the Full aftermarket system offers is HUGE amount of streetable and some dragracing HP>>>> Both Graves and Brock's full system make 10-15 HP more horsepower in the midrange over the stock headers with and without a slipon exhaust. So, the top end power gains might be small but that is a huge gain in midrange power. That's why I jumped on it!!

I did a generic scale test with me on a digital scale. I weighed in a 164.4 shoes and shorts in my shop. Then took the Graves slipon system with OEM headers and held it while on the scale. Did the same for the Full Graves system also. The Graves muffler for the slipon system and the full system are the same exact muffler. But everything else is completely different.

The OEM headers with Ti/CF Graves slipon weighed in at 173.0 Putting the system weighing in at 8.6 lbs OR 8 lbs 10 oz

The Full SS Graves with Ti/CF muffler weighed in at 174.4 Putting the entire system weighing in at 10 lbs....

You can see the slight changes in the header design but the biggest difference is the longer 2 pipes collector area of the Graves. There is almost no 1 large diameter pipe on the Graves system,, just right before it goes into the muffler.

This also can be seen in the Brock's design, if you look closely near their muffler you will see 2 long pipes going all the way back into the muffler. Brock's dyno runs are done within 1 hour of each other.. and the graphs are located in the "product details" tab at the bottom of the paragraph.

Information was from these 2 websites.. http://www.gravesport.com/Graves-Mot...s-Exhaust.html

and

http://www.brocksperformance.com/Ali...7411+C236.aspx
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2005 ZX-10R Akrapovic Ti Evo 2 w/CF LOR can, PC3 with custom map, Factory Pro velocity stacks

2009 ZX-10r Full Gen4 Brock's SS exhaust with CF 14" can, PC3, Secondary Butterflies Removed, Kawasaki Race Exhaust Cam, My Own TRE, Degreed Cams 109/108

2011 zx10r Lower'd 2" Frt & Rear, Stretched 8", Graves CF slipon, GUHL Flashed ECU
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post #2 of 20 Old 05-27-2013, 11:55 AM Thread Starter
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I wanted to add a few more pictures and the Dyno Graphs from the websites.
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2005 ZX-10R Akrapovic Ti Evo 2 w/CF LOR can, PC3 with custom map, Factory Pro velocity stacks

2009 ZX-10r Full Gen4 Brock's SS exhaust with CF 14" can, PC3, Secondary Butterflies Removed, Kawasaki Race Exhaust Cam, My Own TRE, Degreed Cams 109/108

2011 zx10r Lower'd 2" Frt & Rear, Stretched 8", Graves CF slipon, GUHL Flashed ECU

Last edited by PatrickG; 05-27-2013 at 12:05 PM.
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post #3 of 20 Old 05-27-2013, 11:59 AM
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good write up man. Thank you.
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post #4 of 20 Old 05-27-2013, 12:01 PM
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what is the diameter of the secondaries long pipes and diameter of the pipe going in the muffler?
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post #5 of 20 Old 05-27-2013, 02:55 PM
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I would love to see an actual power dyno from someone other then graves them selves of a slip on vs there full
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post #6 of 20 Old 05-27-2013, 09:43 PM
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^Agreed

Thank you for doing the review Patrick. Will you be putting your bike on the dyno as well?

The one thing though like you said, the header would be worth it for a lot of street use, or even circuit racing given the fact you might be lower in the rev range. Did you notice much of a difference at the track with how the bike felt? Since the gain is in around 7k you won't really be in that rev range going down the strip.

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post #7 of 20 Old 05-27-2013, 10:27 PM Thread Starter
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Quote:
Originally Posted by BOOSTED View Post
^Agreed

Thank you for doing the review Patrick. Will you be putting your bike on the dyno as well?

The one thing though like you said, the header would be worth it for a lot of street use, or even circuit racing given the fact you might be lower in the rev range. Did you notice much of a difference at the track with how the bike felt? Since the gain is in around 7k you won't really be in that rev range going down the strip.
I just got it installed yesterday on my day off and have Zero time on the bike since I installed it. I will have it dyno tuned this week before racing this next weekend and will post up the dyno chart comparing the 2 of them (Slipon and Full system).

Well.. That is what sold me on the full system really.. I am FAR from a professional. Even the gentleman I bought it from wasn't quite there but had a professional rider on his bike. The professional launched it at 10000 RPMs.

So with me being a NON-professional and not having the "skills" to launch at 10000 RPMs. The full system will assist me in being faster off the line. I am "only" launching at 6000-6500 right now so that is a HUGE increase in HP!!!!

2005 ZX-10R Akrapovic Ti Evo 2 w/CF LOR can, PC3 with custom map, Factory Pro velocity stacks

2009 ZX-10r Full Gen4 Brock's SS exhaust with CF 14" can, PC3, Secondary Butterflies Removed, Kawasaki Race Exhaust Cam, My Own TRE, Degreed Cams 109/108

2011 zx10r Lower'd 2" Frt & Rear, Stretched 8", Graves CF slipon, GUHL Flashed ECU

Last edited by PatrickG; 05-27-2013 at 10:30 PM.
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post #8 of 20 Old 05-27-2013, 10:33 PM Thread Starter
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Quote:
Originally Posted by thundercoupe9 View Post
what is the diameter of the secondaries long pipes and diameter of the pipe going in the muffler?
I will get that to you tomorrow.
Been out riding and killing curves on Ole faithful..
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2005 ZX-10R Akrapovic Ti Evo 2 w/CF LOR can, PC3 with custom map, Factory Pro velocity stacks

2009 ZX-10r Full Gen4 Brock's SS exhaust with CF 14" can, PC3, Secondary Butterflies Removed, Kawasaki Race Exhaust Cam, My Own TRE, Degreed Cams 109/108

2011 zx10r Lower'd 2" Frt & Rear, Stretched 8", Graves CF slipon, GUHL Flashed ECU
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post #9 of 20 Old 05-27-2013, 10:46 PM
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The dyno that Brock's show are not apples to apples though. It is a stock system, no tune. Then a slip on, no tune, then a full system with a tune.

Just pointing out the facts
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post #10 of 20 Old 05-27-2013, 10:49 PM Thread Starter
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Quote:
Originally Posted by fireman69 View Post
The dyno that Brock's show are not apples to apples though. It is a stock system, no tune. Then a slip on, no tune, then a full system with a tune.

Just pointing out the facts
you didn't read the description at all... It is right below that DYNO picture. IN BLUE> RED AND GREEN writing.
Each Brock's system (slipon and full) had a PCV with the "street map" installed. The stock system had a "powercommander" map installed.
U failed....

Just pointing out the facts....

2005 ZX-10R Akrapovic Ti Evo 2 w/CF LOR can, PC3 with custom map, Factory Pro velocity stacks

2009 ZX-10r Full Gen4 Brock's SS exhaust with CF 14" can, PC3, Secondary Butterflies Removed, Kawasaki Race Exhaust Cam, My Own TRE, Degreed Cams 109/108

2011 zx10r Lower'd 2" Frt & Rear, Stretched 8", Graves CF slipon, GUHL Flashed ECU

Last edited by PatrickG; 05-27-2013 at 10:53 PM.
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