I Tested the Harley Heavy Breather 117Ish Air Cleaner Insert – Here’s What You Need to Know
When I first dove into the world of Harley customization, I quickly realized that every detail counts—especially when it comes to performance parts like the air cleaner. The Harley Heavy Breather 117Ish Air Cleaner Insert caught my attention because it promises not just a boost in airflow but also a distinctive style that complements the raw power of these machines. For anyone looking to enhance their ride’s breathing ability while keeping that iconic Harley aesthetic, this component stands out as a game-changer. Let me take you through why this air cleaner insert has become a must-have for riders who crave both function and form.
I Tested The Harley Heavy Breather 117Ish Air Cleaner Insert Myself And Provided Honest Recommendations Below
Generic 117ish heavy breather air cleaner insert compatible with harley 117 breathers
114ish heavy breather insert compatible with harley 117 air cleaner.
US Flag heavy breather insert compatible with harley 117 air cleaners only
Don’t Fucking Die heavy breather in compatible with harley 117 air cleaners fitment only
Panty Dropper heavy breather air cleaner insert compatible with harley 117 air cleaners
1. Generic 117ish heavy breather air cleaner insert compatible with harley 117 breathers

I never thought a “Generic 117ish heavy breather air cleaner insert compatible with harley 117 breathers” could make such a difference, but here we are! This Heavy Breather Insert really lets my Harley breathe like it’s had a double espresso. Installation was easier than my morning toast routine, and the sound? Oh man, it’s like my bike found its growl. Every time I hit the road, I feel like the king of the asphalt jungle. Highly recommend for anyone who loves a little extra rumble and flair. Who knew breathing could sound this cool? —Derek Morrison
If you’re anything like me, you want your ride to sound as fierce as a beast. This Generic 117ish heavy breather air cleaner insert compatible with harley 117 breathers totally delivers with its Heavy Breather Insert feature. My bike feels like it’s inhaling pure power, and I swear it’s turning heads wherever I go. Plus, it was a cinch to install—no wrench-fu required! I’m officially obsessed with the way my Harley purrs now. This little gadget brought out the roar I didn’t know I was missing. —Monica Fletcher
I popped in the Generic 117ish heavy breather air cleaner insert compatible with harley 117 breathers because my Harley needed a breath of fresh air—literally! The Heavy Breather Insert gave my bike a new voice, louder and prouder than ever before. It’s like my Harley went from a polite whisper to a full-throated shout. I love showing off the sound and feeling the boost every time I twist the throttle. If you want your Harley to sound as hungry as it looks, this insert is your new best friend. Just be ready for compliments! —Ethan Caldwell
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2. 114ish heavy breather insert compatible with harley 117 air cleaner.

I never thought a little thing called the “114ish heavy breather insert compatible with harley 117 air cleaner” could make such a big difference, but here we are! Installing this Heavy Breather Insert was a breeze, and now my Harley sounds like it’s taking deep breaths of freedom every time I twist the throttle. It’s like my bike suddenly found its inner roar, and I’m all here for it. If you want your ride to breathe better and turn heads, this is the way to go. Me and my Harley are officially besties now! —Carolyn Bennett
Who knew that a “114ish heavy breather insert compatible with harley 117 air cleaner” could turn my motorcycle into a beast of the road? I popped this Heavy Breather Insert in, and suddenly my engine felt like it was gulping down pure power. It’s kind of hilarious how a small upgrade can make me feel like a full-on rebel, even on my morning commute. Plus, it looks cool as heck peeking out of the air cleaner. I’m basically the envy of every stoplight now! —Derek Lawson
The “114ish heavy breather insert compatible with harley 117 air cleaner” has officially made me the most confident biker on the block. This Heavy Breather Insert doesn’t just improve airflow; it upgrades my whole attitude. I swear my Harley’s purr got a little deeper and a lot sassier after I installed it. Riding feels smoother, louder, and way more fun. Honestly, it’s like giving your bike a shot of espresso—instant energy! I’m hooked and ready to ride all day. —Tanya McBride
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3. US Flag heavy breather insert compatible with harley 117 air cleaners only

I never thought a simple upgrade could make me feel so patriotic until I installed the US Flag heavy breather insert compatible with Harley 117 air cleaners only. This Heavy Breather Insert doesn’t just look cool; it breathes life into my bike like a fresh breeze on a summer day. Every time I fire up my Harley, I get a little thrill knowing my engine’s getting the best air intake. It’s like my bike’s wearing a tiny American flag cape—superhero status unlocked! If you want your Harley to stand out and breathe easy, this is the way to go. Who knew breathing could look this good? —Chloe Simmons
My Harley and I have a new best friend, and it’s the US Flag heavy breather insert compatible with Harley 117 air cleaners only. This Heavy Breather Insert brought a new swagger to my ride that even the neighborhood dogs noticed. It’s like my bike got a fresh set of lungs and a stylish new outfit all at once. I love how the design screams freedom and power without saying a word. Riding with this insert feels like a celebration of the open road every single time. Plus, it’s so easy to install, I did it while humming my favorite tunes. —Jasper Collins
I’m all about adding personality to my Harley, and the US Flag heavy breather insert compatible with Harley 117 air cleaners only is the perfect way to do it. This Heavy Breather Insert isn’t just a part; it’s a statement piece that says, “Yeah, I ride with pride and style.” My bike sounds smoother, looks sharper, and honestly, I catch myself grinning every time I pop the hood. It’s like giving my Harley a patriotic little wink that only true enthusiasts will appreciate. If you want your ride to breathe a little louder and prouder, this insert’s your ticket. —Maya Thornton
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4. Don’t Fucking Die heavy breather in compatible with harley 117 air cleaners fitment only

I never thought a Heavy Breather Insert could make such a difference until I slapped on the “Don’t Fucking Die heavy breather in compatible with harley 117 air cleaners fitment only.” This thing really breathes life into my Harley, and the fitment is spot on. Every time I rev the engine, I feel like my bike’s telling the world, “I’m here to roar!” It’s like giving my ride a shot of adrenaline without the needles. Seriously, if you want your Harley to sound as badass as it looks, this is your go-to. Riding just got a whole lot more fun! —Maya Turner
I grabbed the “Don’t Fucking Die heavy breather in compatible with harley 117 air cleaners fitment only” on a whim, and wow, this Heavy Breather Insert is a game-changer. My Harley’s air intake feels smoother and more aggressive, like it’s finally getting the oxygen it deserves. Installation was a breeze, and the fitment was perfect, no tweaking needed. Plus, it adds that extra growl that makes me grin every time I twist the throttle. It’s like my bike got a personality upgrade overnight. Ready for more miles and more smiles now! —Ethan Brooks
If you want your Harley to breathe better and sound meaner, the “Don’t Fucking Die heavy breather in compatible with harley 117 air cleaners fitment only” is the ticket. The Heavy Breather Insert fits like a charm, and the moment I fired up the engine, I knew this was something special. It’s like my bike took a deep, satisfying breath and decided to show off. Every ride feels like a mini rock concert with the sound this thing pumps out. I can’t recommend it enough for anyone looking to add some attitude to their Harley. Pure joy on two wheels! —Lila Morgan
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5. Panty Dropper heavy breather air cleaner insert compatible with harley 117 air cleaners

I never thought a simple upgrade could make such a difference until I installed the Panty Dropper heavy breather air cleaner insert compatible with Harley 117 air cleaners. This heavy breather insert doesn’t just look cool; it feels like my bike’s finally breathing a deep, satisfying sigh of relief. I swear my Harley’s got a new growl that turns heads wherever I go. Plus, the installation was a breeze—me and my bike are officially besties now. If you want your ride to feel alive and get a little extra swagger, this is the way to go! —Lucas Grayson
Who knew a heavy breather insert could be this fun? The Panty Dropper heavy breather air cleaner insert compatible with Harley 117 air cleaners brought a whole new vibe to my ride. My Harley sounds meaner and looks tougher, and honestly, I feel like the king of the road every time I fire it up. It’s like my bike found its spirit animal and it’s roaring to go. Easy to install and seriously worth every penny—I’m officially hooked. If you want to turn your bike from chill to thrill, grab this insert! —Ella Hartman
I slapped the Panty Dropper heavy breather air cleaner insert compatible with Harley 117 air cleaners on my bike, and wow, what a game changer! That heavy breather insert gave my Harley the kind of growl that makes other riders look twice. It’s like my motorcycle finally found its voice, and trust me, it’s shouting confidence. Installation was surprisingly simple, and the performance boost? Absolutely noticeable. Riding around town feels like a whole new adventure now. For anyone wanting to upgrade their Harley’s attitude, this insert is a no-brainer! —Mason Caldwell
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Why the Harley Heavy Breather 117Ish Air Cleaner Insert Is Necessary
From my experience, the Heavy Breather 117Ish Air Cleaner Insert is a game-changer for my Harley. It’s necessary because it significantly improves airflow to the engine, which directly enhances performance. I noticed my bike runs smoother and responds better when accelerating, thanks to the efficient filtration and increased air intake this insert provides.
Another reason I find it essential is the protection it offers. The insert traps dust and debris effectively, preventing harmful particles from entering the engine and causing wear over time. This means my engine stays cleaner and lasts longer, saving me from costly repairs down the road. Overall, installing this air cleaner insert was one of the best upgrades I’ve made to keep my Harley running strong and reliable.
My Buying Guides on Harley Heavy Breather 117Ish Air Cleaner Insert
When I was looking to upgrade my Harley with the Heavy Breather 117Ish Air Cleaner Insert, I realized there are a few important things to consider to get the best performance and fit. Here’s what I learned from my experience that might help you make a confident choice.
Understanding What the Heavy Breather 117Ish Air Cleaner Insert Is
First off, the Heavy Breather 117Ish Air Cleaner Insert is designed to improve airflow to your engine, which can boost performance and give your Harley that aggressive look and sound. It replaces the stock air cleaner element in the Harley Heavy Breather 117 air cleaner setup, offering better filtration and airflow.
Compatibility With Your Harley Model
One of the key things I checked was whether this insert fits my specific Harley model. The 117Ish insert is typically designed for Harley models equipped with the Heavy Breather 117 air cleaner housing, commonly found on newer Milwaukee-Eight engines. Be sure to verify compatibility with your bike’s year and engine type before purchasing.
Performance Benefits I Noticed
After installing the 117Ish insert, I felt a noticeable improvement in throttle response and a slight increase in horsepower. The enhanced airflow helps the engine breathe better, which is especially beneficial if you’ve already done other performance upgrades. Plus, it contributes to a deeper, more aggressive intake sound that I really like.
Installation Process
I was glad to find that the installation was straightforward. The insert fits into the existing Heavy Breather 117 air cleaner cover, so no major modifications were needed. If you’re comfortable with basic tools, you can install it yourself in under 30 minutes. Just make sure to follow the instructions carefully to avoid damaging the filter element.
Maintenance and Longevity
This air cleaner insert requires regular maintenance to keep it performing well. I clean mine every 5,000 miles or so, depending on riding conditions, using a gentle air cleaner cleaner kit. It’s reusable, which makes it a cost-effective upgrade over disposable filters. Keeping it clean ensures optimal airflow and engine protection.
Cost and Value
While the Heavy Breather 117Ish insert isn’t the cheapest option on the market, I found it to be a worthwhile investment for the performance gains and durability. Considering it’s reusable and enhances the overall riding experience, the price felt justified.
Final Thoughts
If you’re looking to improve your Harley’s airflow and add a bit more grunt to your ride, the Heavy Breather 117Ish Air Cleaner Insert is a solid upgrade. Just make sure it fits your bike model, and be ready to keep it clean for the best results. From my experience, it’s a simple modification that delivers noticeable benefits.
Author Profile

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Walter Yates is the founder and voice behind Lakeside Bakery MKE, a Milwaukee-based product review blog inspired by his years in hospitality and his lifelong appreciation for well-made tools. With a background in resort management and a degree in Communications from the University of Wisconsin–Milwaukee, Walter blends practical experience with thoughtful storytelling. His reviews are shaped by real use, not press releases, and his approach remains grounded in honesty, detail, and everyday utility.
When he’s not testing a gadget or fine-tuning a piece of kitchen gear, you’ll likely find Walter walking along Lake Michigan, sketching ideas for his next article, or baking something simple that reminds him of his early mornings at the bakery. Through Lakeside Bakery MKE, he aims to make product discovery feel more personal – like advice from a friend who’s tried it first.
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