Customer Reviews

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Custom breather Review by Mike E.
Excellent DIY kit for a custom look. I ditched the thick, ugly hose provided for a black plastic material hose. Looks great. I wish we could post pics. (Posted on 2/20/2024)

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awesome Review by George
Catch can are the best addition to your bike truly happy I found a company that makes a kit for harley davidson the machine works spectacular and easy to install the customer service is the best I have ever received in ordering parts for over 20 years (Posted on 2/13/2024)

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Dyna Twin Cam breather Review by Mike E
I didn’t know how bad I needed this until I saw oil spots on the heads, and then I pulled the filter…oil everywhere. This solved my issue instantly. (Posted on 2/10/2024)

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DK Customs Awesome! Review by SManHD
My first purchase with DK. To no fault of theirs, the prod I purchased got damaged. Their support was on it no questions asked.

The new prod showed up, was top quality, great instructions on how to install.

I would definitely do business with DK again! (Posted on 12/14/2023)

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Works good Review by wimpy
Glad to keep all of that ugly stuff out of my motor (Posted on 11/13/2023)

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External Breather for twin cam Review by Mike
Installation took about 30 minutes, had everything in the kit to fit on my 2014 Street Glide .I have exposed breather bolts so it was super easy. Plan on installing on on my 2013 street bob very soon. (Posted on 7/30/2023)

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Everything you need Review by Everything you need
It has all the parts you need and very good instructions. An 828 Air Cleaner is a good option to go with it. (Posted on 3/29/2023)

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Works great Review by DC
The breather was what I was looking for however after running it for a few weeks I discovered I need to go to a catch can system. On my bike the filter gets saturated and spews a bit of oil. The DK catch can will be my next purchase. Your products are the bomb! (Posted on 8/29/2022)

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Great product Review by JR
Well made product. I have it on a Milwaukee 8 Softail, and with the stock Air Cover, it hides it well
(Posted on 8/15/2022)

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External breather Review by Don
Awesome product. Easy install. I used the K&N wide oval for the air cleaner an the only reason I did was because I like the looks of the filter. I cut the breather system off the K&N filter an sealed up the ports to internal breather an installed the D&K external breather system. I can already tell a difference in heat an throttle response. Definitely worth the install . (Posted on 5/25/2022)

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Great people to do business with Review by telcotech
All the parts fit good and the engine sounds and runs better. No more burning oil in the cylinders. I will be purchasing more stuff from them in the future. (Posted on 3/8/2022)

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Quality Review by JR
Purchased for my 2016 FLSS. Everything fit and is of great quality. Made a noticeable difference on how my engine runs and it just seems happy which makes me happy. DK Customs made it super easy to pick what I needed (Posted on 12/3/2021)

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Works well. Review by Randy C
Fast shipping. This breather set up does its job well. It keeps all the dirty hot foul oily air out of my intake. I also got a catch can so I can see what and how much sludge Is not going into my engine. The engine seems more responsive in my opinion like when riding in nice cool air. (Posted on 6/1/2021)

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Very pleased with DK as always Review by Buy this
My Dyna came equipped with the ugliest crossover pipe, running right over the top of my mikuni 42. Not only does this breather kit eliminate that chrome piece of sh*t, it also keeps my engine clean & running better. 10/10 for looks. I ran it right under my AC, you can’t even tell it’s there unless you’re looking. Once again, DK Customs has all the upgrades you need for your Harley, even if you don’t even know you need them yet. (Posted on 3/11/2021)

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Excellent !!! Review by John
used this on my 2016 FLSTC along with a crusher velociraptor hi flow. Noticed a slight pickup in response right away. Mileage is slightly better also. Would definitely recommend this up-grade. Shipping was super fast, Customer service is outstanding. Thank You DK. (Posted on 11/6/2020)

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Breather system Review by Roger
Good quality and fast shipping.
I have always enjoyed fast shipping and awesome products from DK, Thanks!!! (Posted on 7/14/2020)

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Twin cam breather system Review by RomanB
I know I always say great quality and customer service but its REALLY TRUE! The parts are GREAT! The breather system really helps the bike breath better. It runs cooler, and I did notice just a little bit better mileage. Small but on bike its noticeable. When you can get fit, function, looks, and quality you can't ask for more! But you do top it with taking time to answer questions with AWESOME CUSTOMER SERVICE!!!! Thanks everyone! (Posted on 6/17/2020)

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Good quality & great customer service Review by Brian
Placed this on a 2018 114 Fat Bob (M8). I had to modify a few spacers to make it all fit with my air cleaner but in the end it looks great. Good quality components.
The first package was lost in the post and had to be resent. It was an usps mistake but Natalie in customer service was very helpful and resent the package in a timely manner. Thanks! (Posted on 5/26/2020)

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Well made and worth using Review by Belloc
I really didn't think these were necessary until I cleaned my stock filter for the first time and saw all the oil blocking about a third of it. Just cleaning that paper filter (the stock paper filter can be reused) restored performance I didn't know had disappeared, so I got this breather kit along with the 606 to avoid the problem in the future. The instructions mentioned that the filter could be mounted above the filter instead of below, which I never saw anyone do, but which was necessary since my Sport Glide's back pipe wraps around under the air cleaner, leaving no room for an under-filter placement. Anyway, the pieces are solid and well-made, there's plenty of tubing for any mounting you'd like, and it all bolted up just right. No more oil in the filter, or into the intake. (Posted on 1/7/2019)