DK Custom Products

Phone: 662.252.8828
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Wrinkle Black Powder Coat Speed Fin Complete HiFlow 828 Air Cleaner Milwaukee-Eight

Availability: In stock
Item #: DK-AC828-M8-SF-WB
Manufacturer: DK Custom Products

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Wrinkle Black DK Custom Harley External Breather System EBS Performance Speed Fin Stage I air cleaner Outlaw 828

Outlaw HiFlow 828

Air Cleaner System


Milwaukee-Eight Models

~High Performance Air Cleaner~

~Wrinkle Black Powder Coat Finish~

MADE in The USA!

DK Custom Products



  • HiFlow Genuine K&N Air Filter
  • 6" x 9" Oval for Maximum Flow 
  • Backplate Billet Machine Cut Finish
  • Choice of Support Brackets
  • Lightweight Wrinkle Black Powder Coat Speed Fin Cover (10 7/8" Wide, 7" Tall & 2 1/8" Deep)
  • Your Choice of External Breather System - EBS (NO oily air in engine)
  • A True Stage I Air Cleaner
  • E-Z Step-by-Instructions Included
  • Super Low Profile of 2.5" Total
  • Made in The USA!


The Outlaw HiFlow 828 System will give your M8 the Air it needs to Produce Maximum Power.  CLEAN AIR - No dirty air routed back in! AND, it is one of the Lowest Profile High Flow Intakes available

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 Milwaukee-Eight Models.

This is a must for at Stage 1- IV Upgrades.

Replace the Restrictive stock air cleaner on your M8 and wake it up!

The 6061 Billet Backplate was designed for maximum flow and minimum impact on rider leg clearancewith only 2.5" from Throttle Body to Outside Surface of Cover.

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 of the Hose and Filter or Catch-Can  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.

Harley routes 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.


This System comes with a Wrinkle Black Powder Coat Speed Fin Cover.  There is plenty of room for air flow around the cover, especially with the cut-out (pictured above) along part of the bottom.

Note: The cover is an imported item, lightweight, with a limited quantity available. There may be very small imperfections in the Powder Coat, not visible from 5 feet away.  Because of the limited quantity, these are Not able to be returned or exchanged.


This HiFlow Performance 828 Intake System is also available with a 

Chrome Cover .  Click HERE to See it.


  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. To see Why the M8 Does Not Need a Tune when Running Free Flowing Intake & Exhaust CLICK HERE.


This Air Cleaner fits OEM Milwaukee-Eight Throttle Body 

NOTE: With This Air Cleaner the OEM support bracket must be used. It is pictured below. If you don't have one, the HD Part # is 16400049 (it has a retail price of $17.09)





If you have a Twin Cam Dyna, Softail or Touring Model, click HERE to see 828 Air Cleaners that fit your bike. 

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 really like this 828, great flow and low profile for absolutely no leg interference."   -James



Check Out the Video Below for Dyno Comparison to Stock!

Customer Reviews

Very easy to install Review by Robin
I just got this air cleaner with the transformer EBS it took me 35 minutes to install and it looks great I replaced a stage 1 he eagle product and this is 10 times better then Harley Davidson air cleaner (Posted on 4/28/2022)

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