DK Custom Products

Phone: 662.252.8828
Text: 662.420.4891

HiFlow 587 Air Cleaner System Transparent Cover HD M8

Availability: In stock
Item #: DK-AC587-TRN-M8
Manufacturer: DK Custom Products

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HiFlow 587 Air Cleaner System Transparent Cover HD M8 DK Custom Harley Davidson DK Custom Outlaw Touring Twin Cam Dyna Softail Trike Freewheeler Sportster Tri Glide Kury Kuryakyn Stage I High Flow Milwaukee-Eight SE Heavy Breather

Outlaw HiFlow 587

Air Cleaner System



~Complete High Performance System~

~Transparent Cover~

~Optional Rain Sock~


MADE in The USA!

DK Custom Products



  • HiFlow 5 7/8" Genuine K&N Air Filter
  • Low Profile - best leg clearance
  • Designed Specifically for the M8 Engine
  • Support & Backplate Black Powder Coat Finish
  • Transparent Cover - Impact-Modified Acrylic
  • Your Choice of External Breathers (NO dirty air in engine)
  • All Hardware needed, including Stainless AND Brass Acorn
  • E-Z Step-by-Instructions Included
  • Made in The USA!


The Outlaw HiFlow 587 System will give your M8 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 needed 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.

Fits Milwaukee-Eight Models.

This is a must for at Stage 1 Upgrade.


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, the Discrete, or the Premium Discrete. To see full details on All these choices Click HERE.  


When choosing between the 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 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.



This System comes with an Impact-Modified Acrylic Transparent Cover.  Looks Great Stock!  Gives new options for personalizing with paint, decals, emblems, etc. 

The picture above has the Transparent Cover installed with the Gripper Optional A/C Cover Fastener.

The Naked Cover comes with rubber cushioning for mounting, it is not shown in all the pictures above


You can upgrade to the Outlaw HiFlow 587 Air Cleaner System without doing any dyno work or adding tuners IF you leave the stock exhaust in place.


This system comes with both a Stainless and a Brass Acorn Fastener for the Cover. 

There are Optional A/C Cover Fasteners that you can add to your order above. 

44 Magnum, The Gripper, Tri-Speed, Speed, Tri-Shield and Mini-Tri-Shield.  Any of these will add to Your Bikes Unique Look. 



All 2017 Milwaukee-Eight Models


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.

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.


"The Naked Outlaw I have been testing for you guys has gotten more positive comments than any other mod on my bike!"  -Matt

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