

The filter will fit a wide range of Harley models, including some made as long back as in the 90s. The way the breather is positioned makes it virtually a closed-loop design. It’s also famous for its unique backing plate that eliminates the need for hoses or banjo fittings.

This filter pairs well with the stock air cleaner cover. It is made by pouring the material manually over a urethane body, which means a cleaner filtering medium. The filtering element consists of 4 layers of surgical-grade cotton. The difference is mainly due to the size of the filtering element, which is 20% larger in the Stage 2 kit. This model comes in two varieties, namely Stage 1 and Stage 2. The Big Sucker is probably one of the most popular high-performance air cleaners for Harley Davidson, which we are inclined to attribute to its performance-boosting capacity, promising a gain in horsepower of up to 21%. Arlen Ness 18-803 Big Sucker – The Best Harley Stage 2 Air Cleaner Since torque, as a raw measurement of the rotational force inside the motor, translated to horsepower, this brings about considerable performance improvement.ģ. HD-1508 does a good job of improving the inflow of air to the engine, also increasing torque. Depending on the exact setting, the average mileage before cleaning is approximately 50,000 miles. The model is also a good choice for driving in dirty conditions. K&N offers a limited warranty of over a million miles, which also brings about environmental benefits. The pleated design increases the filtering surface and thus capacity, combined with special layered cotton fabric that traps oil and hard particles. Just like our top pick above, it comes pre-oiled. The filter is fairly DIY-friendly, with an estimated installation time of 5 to 10 minutes and no specialized tools required.

Best Optionĭesigned to fit Harley motorcycles made from 2008 to 2014, namely FLTRX Road Glide Custom, FLHR Road King, FLHRC, FLHTC Electra Glide, and a number of other models, this K&N air filter can be a cost-effective replacement for the stock cleaner on your bike. A Buyer’s Guide section is included to help you make an informed decision. In this article, we’ll tell you about the best air intake for Harley Davidson bikes, in our opinion, along with decent alternatives for those with other priorities. Extra clean air will give you more efficient combustion, which translates into increased horsepower while also prolonging the engine’s life. As a rule of thumb, the purer it is, the better. The quality of inflow air is known to have a vast impact on how your bike performs on the road. Can you drive a cold air intake in the rain?.

