is it ok 2 remove the h-box? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 15 (permalink) Old 02-10-2012, 10:50 AM Thread Starter
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is it ok 2 remove the h-box?

So can i take off the box that connects both pipes? I know it will be loud but will it still run right...i have taken off the tips...92 vn750...Jr.
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post #2 of 15 (permalink) Old 02-10-2012, 11:20 AM
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Well yes...you can take it off. Many have.

Whole different question if you are asking if it's "OK" though......

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post #3 of 15 (permalink) Old 02-10-2012, 12:09 PM
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lol...Alabama WAS such a peacefull place !!..

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post #4 of 15 (permalink) Old 02-10-2012, 12:47 PM
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Quote:
Originally Posted by sporty31 View Post
So can i take off the box that connects both pipes? I know it will be loud but will it still run right...i have taken off the tips...92 vn750...Jr.
In my opinion no if you're not doing a lot of modifications. The goats belly equalizes the exhaust and creates needed back pressure. My bike has a fabricated system like the added link. It is a little louder,has a deep mellow tone, and runs great. No backfiring, no loss of low end power.
http://www.scootworks.com/shop.cgi/p...328895564.4082

JM2001

" Loud Pipes Risk Rights "

2001 Vulcan 750
marbled
TOC upgrade on ACCT
Air/fuel mixture set to 2 1/2 out
rectifier relocated
splines lubed
iridiums
decals removed
upgraded mirrors
Pic up coil mod done
degoated
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post #5 of 15 (permalink) Old 02-10-2012, 02:30 PM
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I took mine off, but I do a lot of highway riding, and got tired of the noise. I also leave my house pretty early and didn't want to keep waking the neighbors, so I put it back on. IMO I would just drill the baffles and do docs ear shave, I did it and like it more than without the Goat's Belly. The change in the sound alone is worth it.

Baffle Drilling: https://www.vn750.com/forum/showthread.php?t=7736&page=2

Ear Shave: https://www.vn750.com/forum/showthread.php?t=18397

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post #6 of 15 (permalink) Old 02-10-2012, 03:03 PM
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Can I ask what the H-Box is?? Is it a pollution device. I'd really like to take as much of the emission stuff off as I can get away with and still have the bike run properly....

Thanks.



Pete Herrmann
1994 Vulcan 750 40K on the clock and counting....

Bought 4/2011 28k Miles,
New Rick's Motorsports R/R
Tim Parrot Stator
Tuxedo Mod
KAW Saddlebag/signal relocation brackets
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post #7 of 15 (permalink) Old 02-10-2012, 03:07 PM
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Quote:
Originally Posted by peterherrm View Post
Can I ask what the H-Box is?? Is it a pollution device.....

Thanks.
Quote:
Originally Posted by JM2001 View Post
The goats belly equalizes the exhaust and creates needed back pressure.
There you go! The H-Box and Goats Belly are one and the same.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
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1989 VN750 acquired December, 2008, 6,711 miles
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post #8 of 15 (permalink) Old 02-10-2012, 03:12 PM
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AH, ok, thanks, my Goat's belly is already gone......



Pete Herrmann
1994 Vulcan 750 40K on the clock and counting....

Bought 4/2011 28k Miles,
New Rick's Motorsports R/R
Tim Parrot Stator
Tuxedo Mod
KAW Saddlebag/signal relocation brackets
NGK Iridium Plugs
TOC MCCT's
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post #9 of 15 (permalink) Old 02-10-2012, 08:07 PM
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I'd leave the GB on. Took mine off once for ****s and giggles, and it seemed like it killed a lot of low end power...however, I left the GB on, and took the tips off, and added piping equivalent to aluminum fence post, and it ran fine.
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post #10 of 15 (permalink) Old 02-10-2012, 10:46 PM
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Kawasaki calls the "H" box or "goats belly" the "POWER CHAMBER".
Removing it will cost you some low end torque and power, while allowing more wide open throttle horsepower. Since I don`t ride with a wide open throttle it seems a bad exchange for me.

Gordon

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Purchased May 16, 2008
Approx.19,300km (12,000 miles)

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Fiamm Freeway Blaster horns
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Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html
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