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HurricaneFlow Air
Cleaners for Sportsters & Buells
New from NRHS |
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Big
power requires big flow, and that's what the new HurricaneFlow air
cleaner is all about. From it's computer designed billet aluminum
backplate to the extra large K&N element, this air cleaner is designed
to PERFORM.
It's all
about minimizing restriction and smoothing the air flow. The big K&N
element serves up filtration and diffusion in abundance, with LOTS
of surface area to virtually eliminate restriction. The CNC-machined
billet backplate recesses the element to smooth the transition as the
air exits the media, and then takes the air around a specially designed
huge radius ring to both boost velocity and eliminate turbulence. Even
the size, shape, and locations of the stand-offs were chosen for their
flow characteristics.
The
result? Even on very mild motors, our
dyno testing shows a significant improvement over the stock
or SE offerings. With hotter motors, the difference gets even bigger!

(click for larger image)
Available for:
2004-up
Sportsters (Includes fuel injected)
1991-2003
Sportsters
1995-2002
Buells
Custom
configurations available, please call. For example, we can have your air
cleaner powder coated, or we can configure your forward offset air
cleaner with an alternate sized element for even more knee clearance.
Note 1:
to maximize power and reduce carbon build-up, HurricaneFlow air cleaners
do not route the blow-by from the breathers into the intake tract the
way the stock air cleaner does. We recommend routing the head breather
outlets to a small filter (to absorb the moisture component), or to a
catch can.
See below
for the accessories needed to do this.
Note 2:
HurricaneFlow air cleaners are for off-highway, closed course
competition use only and are not legal for sale or use on pollution
controlled motor vehicles.
Note 3:
HurricaneFlow air cleaners are designed to bolt up to the factory CV
carburetor. The screw lengths are sized for maximum thread engagement
and strength. When used with a Mikuni carburetor with a CV adapter ring,
the supplied screws may be slightly too long and require shortening. |
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HurricaneFlow Air Cleaners For 2004-up Sportsters
For the
2004-up Sportsters, the HurricaneFlow is available with a 2" element in
an on-center or forward offset design, or for the really big horsepower
motors we offer it with a giant 3" element (available in the in a
forward offset design only due to the knee clearance required). All
versions use a billet front plate with a stepped perimeter to smooth the
air flow as it passes through the media, and it also mounts your stock
cover for that stealth look. These do work on 07 and up fuel
injected Sportsters as well!! You do not need a support bracket on fuel
injected Sportsters but you do still need a breather kit. You also
will need an extra bolt that is available below.
Centered Style
Offset Style (3" shown)


Click on image for larger version
Ordering
Information
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Description |
Part Number |
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HurricaneFlow Centered Air Cleaner with 2" element,
04-up Sportster
Uses stock cover (carb support bracket required, see
below)
For the
classic on-center look |
66-NRHS-04ACC2 - $209.95
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HurricaneFlow Offset Air Cleaner with 2" element,
04-up Sportster
Uses stock cover (carb support bracket required, see
below)
Maximum
knee clearance version |
66-NRHS-04ACO2 - $209.95
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HurricaneFlow Offset Air Cleaner with 3" element,
04-up Sportster
Uses stock cover (carb support bracket required, see
below)
Maximum
performance version
note: the 3" offset version leaves approximately 1 inch of the
filter element exposed |
66-NRHS-04ACO3 - $219.95
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Special button head bolt required for fuel injected
Sportsters 2007 and up |
66-NRHS-BH- $.50
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| Note: 2006 and below
Sportster models require a carburetor support bracket and
breather kit for proper mounting of a HurricaneFlow Air Cleaner.
Fuel injected models do not require a support bracket but they do
need a breather kit. NRHS offers everthing you will need below.
HurricaneFlow Air Cleaners For 1991-2003 Sportsters

Centered Style

Forward Offset Style - moved forward for knee clearance - 3"
version shown but
also available in a 2" version for maximum knee clearance
For the
1991-2003 Sportsters, the HurricaneFlow is available in your choice
of a 2" element in an on-center design or a 3" element in a forward
offset design. Your original cover mounts on a pair of round
standoffs and seals against the filter element.
Ordering Information
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Description |
Part Number |
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HurricaneFlow Centered Air Cleaner with 2"
element, 91-03 Sportster
Uses stock cover (carb support bracket required,
see below)
On-center classic looks |
66-NRHS-9103ACC2 - $149.95
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HurricaneFlow Offset Air Cleaner with 2" element,
91-03 Sportster
Uses stock cover (carb support bracket required,
see below)
Maximum knee clearance version |
66-NRHS-9103ACO2 - $149.95
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HurricaneFlow Offset Air Cleaner with 3" element,
91-03 Sportster
Uses stock cover (carb support bracket required,
see below)
Maximum performance version |
66-NRHS-9103ACO3 - $159.95
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The extra large filter element of the forward offset style leaves
a small amount of filter element exposed.
Note: Sportster models require a carburetor support bracket for
proper mounting of a HurricaneFlow Air Cleaner. NRHS offers support
brackets in your choice of black or chrome finish,
see
below.
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HurricaneFlow Air Cleaners For 1995-2002 Buells
HurricaneFlow air cleaners are now available for Buell tube
frame models!
Buell M2, S1, S3, X1
Carbureted or injected, there's a
HurricaneFlow
air cleaner that's perfect for your Buell tube framer. Like all
HurricaneFlow air cleaners, the Buell versions incorporate our
exclusive CNC machined billet backplate that's specially designed to
reduce turbulence and increase velocity. M2, S1, S3, and X1 versions
also include a trick looking and super lightweight carbon fiber
cover. A massive 3" element ensures your motor gets all the air it
needs, and it's mounted as far forward as possible to give you knee
clearance. It's also tilted down slightly to match the lines of your
tank. Approximately an inch of filter element is left exposed,
allowing free breathing. It all adds up to great looks, light
weight, and MORE POWER for your Buell!

The NRHS 124hp Buell M2 shop mule uses a HurricaneFlow air
cleaner.

HurricaneFlow on an injected S3
Ordering Information
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Description |
Part Number |
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HurricaneFlow Air Cleaner with 3" element and
carbon fiber cover
96-98 Buell S1, 97-02 Buell M2, 97-98 Buell
S3/S3T (carbureted models)
Uses stock carb support bracket
Note: This version is clocked forward to match the lines of the
tank and frame. However, it does not clear Buell Pro-Series Race
Header on 98 and earlier models (99 and later are fine). |
66-NRHS-S1AC3 - $309.95
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HurricaneFlow Air Cleaner with 3" element and
carbon fiber cover
96-98 Buell S1, 97-02 Buell M2, 97-98 Buell
S3/S3T (carbureted models)
Uses stock carb support bracket
Note: This version is not clocked forward and thus will work
with the race header on 98 and earlier models. |
66-NRHS-S1AC3RH - $309.95
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HurricaneFlow Air Cleaner with 3" element and
carbon fiber cover
99-02 Buell X1, 99-02 Buell S3/S3T (injected
models)
Uses stock carb support bracket |
66-NRHS-X1AC3 - $309.95
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Note: For X1 models, we recommend a set of tank accents available
from
American Sport Bike (pictured below).

X1 version with ASB tank accents
Buell S2

If you
own a Buell S2, you already know what a special bike it is. Chances
are, you also know what a problem the stock air cleaner is. The
factory plastic back plate is subject to warpage and cracking, and
that lets harmful dirt go straight into your motor. The
HurricaneFlow not only fixes this problem nicely, but it
incorporates the exclusive HurricaneFlow radius ring that increases
intake velocity and eliminates turbulence. Uses your stock carbon
fiber cover. Your S2 deserves a HurricaneFlow!
The S2
HurricaneFlow is offered with a 2" element only, as the 3" element
can cause interference problems with the tank cover and the fairing
lowers.

click for larger image

3" version shown. Approximately 1" of filter is left
exposed with the cover in place
Ordering Information
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Description |
Part Number |
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HurricaneFlow Air Cleaner with 2" element, 95-96
Buell S2
Uses stock cover and carb support bracket |
66-NRHS-S2AC2 - $149.95
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Note: The stock S2 filter cover has a plastic drip catcher
incorporated into the lowest corner. When used with a HurricaneFlow,
it will be necessary to remove this. It can easily be removed with
pliers or a die grinder.

Does
your stock S2 air cleaner look like this? Cracked and warped?
If so,
it's not doing it's job. Replace it with a HurricaneFlow today!
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Installation Accessories for HurricaneFlow Air Cleaners

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Description |
Part Number |
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Complete installation kit
Includes chrome carburetor support bracket, banjo
bolts and fittings, hose, breather filter, 91-Up XL, 95-02 Buell |
66-DS289126 - $58.95
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Breather kit, one piece chrome tube design
(horseshoe) includes banjo bolts and fittings, 91-Up XL, 95-02
Buell, 3/8 fuel line required |
66-2110-0316 - $29.95
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Billet mini catch can by Golan, chrome plated, uses standard 3/8
fuel line, used to catch any blow by oil that come out breathers |
66-2110-6731 - $29.95
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Black carburetor support bracket, 91-up XL, 95-02
Buell |
66-P0280.F - $15.00
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Chrome carburetor support bracket, 91-up XL,
95-02 Buell |
66-DS289062 - $24.95
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Banjo bolts and fittings, for use with 3/8 fuel line, 1/2" for
Evolution |
66-040485 - $22.49
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