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Your cart is empty.The Kuryakyn 9451 Mach 2 air cleaner is built to impress with it's beauty and stun with it's performance! The new and improved Mach 2 features enhanced performance, looks, and fit. Not only can the Mach 2 support well over 140hp, it's look can be customized and individualized to meet the needs of the most demanding riders. Available with themed medallions to mesh inserts and everything in between. Lead the pack and look good doing it! Includes lifetime Kuryakyn-designed K&N filter element, as well as one Kuryakyn and one Zombie center cap for two stylish options to add the perfect finishing touch. Each Mach 2 air cleaner allows you to simply pick your favorite design to build a unique one-of-a-kind custom. Includes (1) chrome Mach 2 air cleaner assembly, (1) Kuryakyn medallion, (1) Zombie medallion, (2) hardware kits, (1) dual velocity ring, and (1) K&N filter element; suggested tools for installation (not included): set of hex wrenches. The Kuryakyn 9451 Mach 2 air cleaner is compatible with Harley Davidson models using a bolt pattern for CV Carb/Delphi (use with adapters, brackets, or mounting kits for custom applications). Will bolt directly to stock 40mm or Screamin' Eagle 44mm CV carbs or Delphi throttle bodies. Can be installed on Mikuni HSR42/45/48, S&S E or G Shorty, or other aftermarket carbs by using adapters (not included).
BA Rib
Reviewed in the United States on May 28, 2024
All the pieces are nicely bagged but no instructions or illstrations Completely up to you to figure out where they go and I had to use pieces of the air cleaner I took off then buy hose and hose clamps to complete the installation. Looks great just a puzzle that took a while to figure out. Fortunately I have been using K&N filters for many years and had a supply of hardware that proved necessary to plug holes and complete the installation. There were a bunch of left over parts which I have no idea where they were used but the bike runs great. It fit my 2005 Electra Glide Classic. You need to be patient and resourseful to install this one. Good Luck!
Ryan Furlano
Reviewed in the United States on May 16, 2023
Great quality. It's a little bigger than I thought it was going to be. But overall, I like it. Bike runs great. Seems to be breathing better than the cheap amazon Chinese filter I had on previously.
Customer
Reviewed in Canada on August 12, 2020
Excellent quality, fast shipping, great price
Customer
Reviewed in Canada on July 31, 2019
Looks better than the picture! Chrome looks really good. Says it doesn't fit my 04 Harley dyna lowrider but it does.
Joe Marihart
Reviewed in the United States on September 25, 2015
Grret looking and performing air cleaner. Only issue is that the breather fittings in the assembly are plastic. The plastic lasted 3 months and done. Replaced with brass fittings after being told that Kuryakyn is aware of the issue and is working on the solution. Simple fix and took less than 2 hours with shopping time.
Robert G
Reviewed in the United States on August 17, 2015
My Harley Deuce has never run so well. It does suck more gasoline though. Sounds and looks great- I've had so many complements on this air breather. Of course my Deuce is black and chrome, so it really pops on my bike as far as the looks go. Very easy install!
Jean-Guy
Reviewed in Canada on April 29, 2015
Easy to install and I feel the increase with the butt dyno.Looks great too.
gary
Reviewed in the United States on August 18, 2014
Outstanding,looks performance, it has what I needed, After the install and the stage one down load, it completely changed the performance of the bike, the looks and the comments I get are spot on. Very happy with the product and it was easy to install
Tech
Reviewed in the United States on May 11, 2014
3,000 miles since installation no issues to report. With proper carb tunning and free flow exhaust I am getting better MPG over stock and much more power.Tech Tip: Take extra time to get the breather hoses on correctly you need to adjust the fittings on the back of the housing and the hoses. If the breather hoses look twisted or kinked at all they will crush while your riding and cause excessive carb cough.
TMan
Reviewed in the United States on November 28, 2014
I purchased this air cleaner and found it to be exceptionally great looking. I was going for performance but I ended up with both. I know some buyers have indicated that the air cleaner sticks out too much. I feel not only does it not stick out that much at all, but quite the contrary. I mean it comes in contact with my left knee on occasion but so did the stock air cleaner. Maybe it has to do with the size of some of the riders legs. I felt it was beautiful, performs well and I am extremely happy with this purchase.It only took me about 20 minutes to install it but what I didn't like was the black casing behind the stock air cleaner that was now exposed. So of course I had to also buy the Kuryakyn 8657 Throttle Servo Motor Cover. I paid $ 58.00 for it, but it does hide the stock casing and really looks nice together.
John K Yarno II
Reviewed in the United States on January 13, 2014
I just replaced this with the new K&N filter. This one is nice but to change the filter you have to remove 5 bolts, not very straight forward. If you have forward controls like I do, get used to feeling it bite into your knee. As for function and looks, very nice.
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