DK Custom Products

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Wrinkle Black Complete HiFlow 606 Air Cleaner For Twin Cam Dyna Softail Touring Trike

Availability: In stock
Item #: DK-AC606-WB-TC
Manufacturer: DK Custom Products

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DK Custom Harley Outlaw 606 Stage I Air Cleaner Dyno Chart

Outlaw HiFlow 606

Air Cleaner System


Dyna~Softail~Touring~Trike Twin Cam Models

~High Performance Air Cleaner~

~Wrinkle Black Cover~

 ~Fits EFI & Carbureted~

MADE in The USA!

DK Custom Products



  • Tapered HiFlow Genuine K&N Air Filter
  • 6 1/4" Base & 5 1/2" Face Diameters
  • Backplate Black Powder Coat Finish
  • Choice of Support Brackets
  • Wrinkle Black Powder Cover
  • Your Choice of External Breather System - EBS (NO oily air in engine)
  • A True Stage I Air Cleaner
  • Optional Rain Sock
  • E-Z Step-by-Instructions Included
  • Made in The USA!


The Outlaw HiFlow 606 Air Cleaner will give your Big Twin the Air it needs to Produce Maximum Power.  CLEAN AIR - No dirty air routed back in! 

This System is TURN-KEY.  It comes with everything you need to replace the restrictive stock air cleaner.

E-Z Installation with Step-by-Step Instructions.

Genuine K&N Filter with Million Mile Warranty.

Filter is re-usable.  Simply wash, let dry, & apply oil.  See Filter Service Care Kit HERE.

Fits Carbureted & EFI Dyna, Softail, & Touring Twin Cam Models.

This is a must for at Stage 1 Upgrade.

 You can upgrade to this Outlaw HiFlow 606 Air Cleaner System without doing any dyno work or adding tuners IF you leave the stock exhaust in place.

Replace the Restrictive stock air cleaner on your Twin Cam and wake it up!

Included:  Your Choice of Brass, Black or Polished Aluminum Breathers.  Or you can choose one of the Hose & Filter Breather Systems for venting- The Traditional or the Discrete.  To see full details on ALL these choices Click HERE.

When choosing between the 6 Breather systems, it is helpful to know-

1.  All three Breather Bolt function the same, it is just a matter of which color you prefer.

2.  All three of the Hose and Filter Breathers function the same with the Outlaw Air Cleaners, it is a matter of which system you like the looks of the best.

 The Transformer™ is the Ultimate External Breather System, that Doubles as a Support Bracket and can be Transformed into an EPA (Emissions) Compliant System. It fits all Outlaw Air Cleaners.

The EPA has required Harley to route dirty, oily crankcase air back into the air cleaner compromising the performance of your engine. The Outlaw Breathers vents it without compromising the performance or longevity of your motor.

Wrinkle Black Cover - This is a very unique textured powder coating.  Look at all the photo's below to see how it looks a bit different at various angles.


Fitment:  All Twin Cams- If you have a Milwaukee-Eight, click HERE to see the 606 Air Cleaners for the M8

2000-2015 Softail (cable operated throttle)

2016-UP Sofatil (Throttle by Wire TBW)

2000-Up Dyna (cable operated throttle)

2000-2007 Touring (cable operated throttle)

2008-Up Touring (Throttle by Wire TBW)

If you have a 2008-Up Touring Model, or a 2016-UP Softail, it has Throttle by Wire (TBW) and you must check the TBW option below to get the correct backplate.


 **This Air Cleaner System comes with a Support Bracket.  If you already have an aftermarket support bracket for your cable operated bike,  you may click the box above and save $22.  

If you have a Throttle-By-Wire bike, you have a black Support Bracket already and you may click the box baboveand save $22, or you may also choose to upgrade  to a Chrome Support Bracket  by clicking above, "Yes, I need a Support Bracket".

Look at our Support Brackets HERE.


Caution:  Motorcycles modified with this DK Custom Products High-Performance part may not be legal for public highway use in some areas.  The user shall determine suitability of this product for his or her use.


"I like how it compliments the textured black finish on my motor."  -Levi



Customer Reviews

Great Product Review by CJO
A quality product that improves performance and reliability. (Posted on 1/10/2022)
Air cleaner kit Review by Mick
Had a previous aftermarket Stage1 air cleaner on 2014 FLHTCU that was putting oily air into throttle body. Replaced with this one. Nice difference in throttle response! Could tell right away. Quality parts! Easy install! DKC all the way!!!! (Posted on 5/19/2021)
Great FIT and Finnish, easy install Review by RKO
Dollar for dollar the Best upgrade airflow out there. Does the job simply and effectively! More leg clearance as well. V&H shortshots, Outlaw 606 ,descreat crankcase breather and tune with FP 3. Great improvement, runs stronger, better throttle,cooler engine.BUY THIS ONE , (Posted on 6/8/2020)

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