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HRC RACING AIR DUCT??

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HRC RACING AIR DUCT?? - 5/24/2006 11:28:28 PM

Seltorque

Posts: 80
Joined: 5/24/2006
Status: offline

Has anyone fitted an HRC Racing Air Duct to their bike? If so? What was the result?

Post #: 1

RE: HRC RACING AIR DUCT?? - 5/25/2006 12:05:11 AM

RetroSBK

Posts: 59
Joined: 1/15/2006
Status: offline

on the dyno, wihtout ram air, it was 4-5 hp. Should be a bunch more at speed.... like 8-10

There are a couple of companys that have done knock offs of the HRC duct for a lot less, I think OPP is one, but I havent used that, only the HRC and the Ten Kate unit.

Will

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RetroSBK inc.
Official Superbike Builders of Robb Report Motorcycling Magazine, and builders of the Authorized Freddie Spencer Tribute Bike.

(in reply to Seltorque)

Post #: 2

RE: HRC RACING AIR DUCT?? - 5/26/2006 12:30:23 AM

blade17fire

Posts: 353
Joined: 4/19/2006
Status: offline

HRC racing air ducts?? wat is dat?? velocity stacks??

_____________________________

GPR Thunderline Exhaust
BMC air filter
Hodaka V stacks
Flapper mod
PC III
AFAM Sprockets
HID Headlights
HRC Clutch Springs
HRC Cam Sprockets
HRC Engine Power Up Kit III
HRC 1/6 Turn Throttle
Ported and Polished Cylinder Head

(in reply to RetroSBK)

Post #: 3

RE: HRC RACING AIR DUCT?? - 5/26/2006 5:22:37 AM

Seltorque

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Joined: 5/24/2006
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I see Blade17fire have the flapper mod. So if you look at the flapper that is the Air Duct. What the HRC improves on is that supposedly to increase airflow by as much as 40%. Therefore more air = more fuel= more POWER!!!!!
You also have velocity stacks, where you get them from? and how much? I have seen them for about 80bucks each!!

(in reply to blade17fire)

Post #: 4

RE: HRC RACING AIR DUCT?? - 5/26/2006 2:54:31 PM

RetroSBK

Posts: 59
Joined: 1/15/2006
Status: offline

The HRC Velocity stack set is $550 a set...

Get the kit airbox too...

Honestly, there is more power to be made from doing cams, kit valve spring, and ECU.... But it doesnt LOOK as cool... lol

Overall, if you dont have Forged mag or CF wheels, thats the best bang for the buck!

Will

_____________________________

RetroSBK inc.
Official Superbike Builders of Robb Report Motorcycling Magazine, and builders of the Authorized Freddie Spencer Tribute Bike.

(in reply to Seltorque)

Post #: 5

RE: HRC RACING AIR DUCT?? - 5/26/2006 3:02:53 PM

JeffRR

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Joined: 12/8/2005
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quote:

ORIGINAL: RetroSBK

The HRC Velocity stack set is $550 a set...

Get the kit airbox too...

Honestly, there is more power to be made from doing cams, kit valve spring, and ECU.... But it doesnt LOOK as cool... lol

Will

Whats it look like. Any pics?

(in reply to RetroSBK)

Post #: 6

RE: HRC RACING AIR DUCT?? - 5/26/2006 10:59:47 PM

Seltorque

Posts: 80
Joined: 5/24/2006
Status: offline

Shit!! that is some serious money for stacks. The kit airbox? What do you mean? Change the airbox completely? I was thinking, Stacks + racing duct + Air box = serious amount of money. Wonder if the gains are worth it. The air box I presume is from HRC right?

(in reply to JeffRR)

Post #: 7

RE: HRC RACING AIR DUCT?? - 5/27/2006 12:29:24 AM

jaxx1671

Posts: 91
Joined: 5/13/2006
Status: offline

i personally like the one from OPP and you can chose from three diff material types.....

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2006 1000RR
Yosh RS 5
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Flapper Mod

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Post #: 8

RE: HRC RACING AIR DUCT?? - 5/27/2006 12:56:27 AM

Seltorque

Posts: 80
Joined: 5/24/2006
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jaxx have you got one fitted? If so? what is it like?

(in reply to jaxx1671)

Post #: 9

RE: HRC RACING AIR DUCT?? - 5/27/2006 3:31:18 AM

vipercwf

Posts: 49
Joined: 10/11/2005
Status: offline

So is there a HRC kit for the 06 1000? If so what does it consist of and where can I get it?

(in reply to Seltorque)

Post #: 10

RE: HRC RACING AIR DUCT?? - 5/27/2006 6:47:57 AM

Seltorque

Posts: 80
Joined: 5/24/2006
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You can check it out at oppracing.com

(in reply to vipercwf)

Post #: 11

RE: HRC RACING AIR DUCT?? - 5/27/2006 10:58:37 AM

blade17fire

Posts: 353
Joined: 4/19/2006
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suppose i would like to mod my engine...hmm..

lets say..camshaft..wat else do i really need to change?? a local performance parts dealer here said that wif a camshaft mod..i could gain 10hp guaranteed!! but dat is for a 954..wat about 1k rr??

wat is best value(HP) for money for engine modifications?? cheap yet gain a significant hp gains??

_____________________________

GPR Thunderline Exhaust
BMC air filter
Hodaka V stacks
Flapper mod
PC III
AFAM Sprockets
HID Headlights
HRC Clutch Springs
HRC Cam Sprockets
HRC Engine Power Up Kit III
HRC 1/6 Turn Throttle
Ported and Polished Cylinder Head

(in reply to RetroSBK)

Post #: 12

RE: HRC RACING AIR DUCT?? - 5/27/2006 11:12:00 AM

Seltorque

Posts: 80
Joined: 5/24/2006
Status: offline

My plan is to take the bolt on mod route. Once I ran out things to change & bolt on the bike. That would be the point when I start looking at the engine such as camshafts, pistons and so forth. Providing I don't run out of money of course!!! My current wish list is as follows'
Racing Air Duct
V Stacks
Igintion module
My own dyno as there is not one in this friggin country!!!!!!

(in reply to blade17fire)

Post #: 13

RE: HRC RACING AIR DUCT?? - 5/27/2006 1:48:24 PM

blade17fire

Posts: 353
Joined: 4/19/2006
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i have seen the opp website and im surprised the HRC air duct look more or less the same as my modified flapper/air duct!!

this is wat i have done..remove the plastic grills,remove the flapper and saw off the 2 fins in the air duct..nw my air duct has no restriction..the same idea as the HRC kit..

good to know that an idea from my trusted mechanic turns out to be something HRC made to improve performance!! save me a bomb from buying the HRC kit..well performance wise i can't say its the same thou..

can't wait for my nxt remapping and see hw it goes..

_____________________________

GPR Thunderline Exhaust
BMC air filter
Hodaka V stacks
Flapper mod
PC III
AFAM Sprockets
HID Headlights
HRC Clutch Springs
HRC Cam Sprockets
HRC Engine Power Up Kit III
HRC 1/6 Turn Throttle
Ported and Polished Cylinder Head

(in reply to Seltorque)

Post #: 14

RE: HRC RACING AIR DUCT?? - 5/27/2006 8:56:44 PM

deezuhl

Posts: 104
Joined: 5/21/2006
Status: offline

Im running the OPP carbon fiber version on the HRC airduct on my 2006. Its a near exact replica except it has cutouts so you can go lock to lock for street riding.. the hrc version doesnt allow you to turn your bars very much without hitting. the duct works very well til about 160-165mph and then it starts to see some turbulence with stock stacks and airbox.. i am going to try the short stacks and also maybe stock filters without screen to see if i can slow down some of the air turbulence at high speed w/o sacrificing power thru the midrange.. ill let you guys know how it works out..

my next mod in a couple weeks will be valvesprings, raised compression and cams.. i think thats where the most power will be made on this bike. 12.2 compression makes for a somewhat lazy bike up top.. ill be running 13.1 or so C/R when i shave the head.

(in reply to blade17fire)

Post #: 15