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Don’t let the rain slow you down! The Performance Machine Pullover Rain Sock is now available for the all-new C4 Air Cleaner. Designed to fit seamlessly over the C4’s high-flow filter, this protective mesh screen keeps water out while allowing maximum airflow. The adjustable elastic opening ensures a secure fit, so you can ride with confidence in unpredictable weather. Keep one in your bag for those unexpected downpours. Stay on the road, rain or shine!
Performance Machine
New

PM, C4 Series Air Cleaner Rain Sock. Black

#708422

Stock:Yes

Extract maximum performance with the VO2 'America' from Vance & Hines. This special edition product is crowned with a bold CNC machined billet cover showing the USA 'Stars & Stripes'. Bolted down with ARP hardware. With high flow air filter and new ‘patent pending’ Force™ Velocity Stack. - CNC Machined Billet Cover - High Capacity Washable Air Filter Element - Patent Pending Force™ Velocity Stack
Vance & Hines
New

Vance & Hines, VO2 America air intake. Black

#709077

Stock:No

The Vance & Hines VO2 air cleaner delivers improved engine performance with that all important touch of class and style. With large inlet backing plate and billet venturi entrance for smooth air flow. CNC machined billet cover with riveted badge or machined-in badge with the Vance & Hines logo. All include a K&N Xstream high-flow and washable air filter element to insure your bike will never run out of breath. - Extracts the maximum performance from any machine - With K&N Xstream high-flow air filter element - CNC-machined billet cover secured with race-spec ARP hardware - High-capacity, deep-pleated, & washable air filter element - Includes backing plate, venturi and breather assemblies - Force™ Velocity Stack for a strong increase in power
Vance & Hines
New

Vance & Hines, VO2 America air cleaner assembly. Chrome

#709078

Stock:No

Black wrinkle finish. The Onyx is designed with a fully open filtered front to maximize airflow. The Vance & Hines VO2 air cleaner delivers improved engine performance with that all important touch of class and style. With large inlet backing plate and billet venturi entrance for smooth air flow. CNC machined billet cover with machined-in badge with the Vance & Hines logo. With ARP hardware. All include a K&N Xstream high-flow and washable air filter element to insure your bike will never run out of breath.
Vance & Hines
New

Vance & Hines, VO2 onyx air cleaner. Black wrinkle

#709095

Stock:No

The Trask Big Papi High Flow Air Cleaner brings proven high-volume airflow performance to the latest Gen 2 Milwaukee-Eight engine platform. Its high-capacity filter and internal velocity stack increase intake efficiency, improving throttle response and overall performance without sacrificing the signature Big Papi style. A billet aluminum backing plate with an integrated breather recirculation system ensures a clean and effective stock replacement with no external hoses or clutter. Engineered with precision and validated on the dyno, this intake delivers real, measurable gains for modern M8 powerplants. Rain sock included.
Trask Performance
New

Trask, Big Papi Air Cleaner Gen 2. Gloss Black

#721153

Stock:No

This Assault Charge Air Cleaner is built for 24 to 25 M8 FL models and the 25 Softail equipped with the larger 68 mm throttle body. With increased airflow demands, these setups benefit even more from a high-capacity intake, and this system provides the breathing room these engines need. The magnetic velocity stack, large-format filter, and billet aluminum backing plate with concealed integrated breather system form a direct replacement for the stock air cleaner and support the airflow needs of high-output M8 configurations. Testing has shown gains of roughly 8 horsepower, along with improved throttle response and midrange pull. For riders running the 68 mm throttle body, this is the Assault Charge configuration optimized for your engine’s flow potential. Rain sock included in the box. Please check packaging thoroughly.
Trask Performance
New

Trask, Assault series air cleaner kit Gen 2. Gloss Black

#721142

Stock:Yes

This variant of the Assault Charge Air Cleaner is designed for the newest generation of Milwaukee-Eight models, including 24 to 25 FL platforms and the 25 Softail. With updated fitment for the latest factory intake setup, this system brings timeless Trask styling and proven airflow gains to the newest M8 engines. A magnetic snap-in velocity stack, oversized filter, and a billet backing plate with a concealed integrated breather system combine to deliver reliable, high-volume airflow. Dyno testing continues to show roughly 8 horsepower gains over stock intakes, proving its efficiency across the entire M8 lineup. For riders building the newest models, this intake offers a clean fit, strong flow numbers, and the performance advantage the Assault line is known for. Rain sock included in the box. Please check packaging thoroughly.
Trask Performance
New

Trask, Assault series air cleaner kit. Gloss Black

#721137

Stock:Yes

The Trask Big Papi High Flow Air Cleaner delivers timeless style backed by real, dyno-proven performance. This intake doesn’t just dress up the bike — it moves significantly more air for stronger response and improved power across the curve. A high-capacity filter works with the internal velocity stack to reduce restriction and increase airflow. The billet aluminum backing plate features an integrated breather recirculation system, creating a clean, efficient stock replacement that installs without hassle. Built with precision and tested on the dyno, the Big Papi is a refined, high-performance upgrade that brings both function and presence to any Gen 1 Milwaukee-Eight. Rain sock included.
Trask Performance
New

Trask, Big Papi Air Cleaner Gen 1. Black

#721145

Stock:Yes

The Trask Big Papi High Flow Air Cleaner delivers timeless style backed by real, dyno-proven performance. This intake doesn’t just dress up the bike — it moves significantly more air for stronger response and improved power across the curve. A high-capacity filter works with the internal velocity stack to reduce restriction and increase airflow. The billet aluminum backing plate features an integrated breather recirculation system, creating a clean, efficient stock replacement that installs without hassle. Built with precision and tested on the dyno, the Big Papi is a refined, high-performance upgrade that brings both function and presence to any Gen 1 Milwaukee-Eight. Rain sock included.
Trask Performance
New

Trask, Big Papi Air Cleaner Gen 1. Gloss Black

#721147

Stock:Yes

A magnetic snap-in velocity stack, oversized filter, and a billet backing plate with a concealed integrated breather system combine to deliver reliable, high-volume airflow. Dyno testing continues to show roughly 8 horsepower gains over stock intakes, proving its efficiency across the entire M8 lineup. For riders building the newest models, this intake offers a clean fit, strong flow numbers, and the performance advantage the Assault line is known for. Rain sock included in the box. Please check packaging thoroughly.
Trask Performance
New

Trask, Assault series air cleaner kit. Chrome

#721136

Stock:Yes

The Trask Big Papi High Flow Air Cleaner brings proven high-volume airflow performance to the latest Gen 2 Milwaukee-Eight engine platform. Its high-capacity filter and internal velocity stack increase intake efficiency, improving throttle response and overall performance without sacrificing the signature Big Papi style. A billet aluminum backing plate with an integrated breather recirculation system ensures a clean and effective stock replacement with no external hoses or clutter. Engineered with precision and validated on the dyno, this intake delivers real, measurable gains for modern M8 powerplants. Rain sock included.
Trask Performance
New

Trask, Big Papi Air Cleaner Gen 2. Black

#721151

Stock:Yes

The Trask Big Papi High Flow Air Cleaner delivers timeless style backed by real, dyno-proven performance. This intake doesn’t just dress up the bike — it moves significantly more air for stronger response and improved power across the curve. A high-capacity filter works with the internal velocity stack to reduce restriction and increase airflow. The billet aluminum backing plate features an integrated breather recirculation system, creating a clean, efficient stock replacement that installs without hassle. Built with precision and tested on the dyno, the Big Papi is a refined, high-performance upgrade that brings both function and presence to any Gen 1 Milwaukee-Eight. Rain sock included.
Trask Performance
New

Trask, Big Papi Air Cleaner Gen 1. Chrome

#721146

Stock:Yes

Approval Information: Euro 3 Softail 2007 – 2015 Twin Cam Combination-Approval-Certificate: OEM, KessTech, Jekill&Hyde Dyna 2007 – 2016 Twin Cam Combination-Approval-Certificate: OEM, KessTech, Jekill&Hyde Approval not for Jekill & Hyde M8 DE53J Approval not for manual adjustable Exhaust, Kess-Tech ESM 1 System or J&H DE53J! Air filter element by market leader K&N. CNC machined, billet aluminum The integrated breather re-routes the oil directly into the intake. Integrated noise reduction, invisible from outside. Noise reduction can be removed for optimized performance. Mounting instructions included. Made in Germany Note: If a parts certificate (“Teilegutachten”) is required for this air filter, please order MCS# 721948 Rick’s Motorcycles Good Guys Airfilter Certificate separately (free of charge). For ordering the parts certificate (“Teilegutachten”), please have the bike’s VIN and exhaust configuration ready.
Rick's Motorcycles
NewOrdered On Demand

Rick's Motorcycles, Airfilter Good Guys. Euro 3

#720991

Stock:Yes

Approval Information: Euro 3 Touring 2008 – 2016 Twin Cam Combination-Approval-Certificate: OEM, KessTech, Jekill&Hyde Softail 2016 Euro 3 Twin Cam Combination-Approval-Certificate: OEM, KessTech, Jekill&Hyde Air filter element by market leader K&N. CNC machined, billet aluminum The integrated breather re-routes the oil directly into the intake. Integrated noise reduction, invisible from outside. Noise reduction can be removed for optimized performance. Mounting instructions included. Made in Germany Note: If a parts certificate (“Teilegutachten”) is required for this air filter, please order MCS# 721948 Rick’s Motorcycles Good Guys Airfilter Certificate separately (free of charge). For ordering the parts certificate (“Teilegutachten”), please have the bike’s VIN and exhaust configuration ready.
Rick's Motorcycles
NewOrdered On Demand

Rick's Motorcycles, Airfilter Good Guys. Euro 3

#720993

Stock:Yes

Approval Information: Euro 3 Softail 2016 -2017, 110 Cui Twin Cam Combination-Approval-Certificate: OEM, KessTech, Jekill&Hyde Air filter element by market leader K&N. CNC machined, billet aluminum The integrated breather re-routes the oil directly into the intake. Integrated noise reduction, invisible from outside. Noise reduction can be removed for optimized performance. Mounting instructions included. Made in Germany Note: If a parts certificate (“Teilegutachten”) is required for this air filter, please order MCS# 721948 Rick’s Motorcycles Good Guys Airfilter Certificate separately (free of charge). For ordering the parts certificate (“Teilegutachten”), please have the bike’s VIN and exhaust configuration ready.
Rick's Motorcycles
NewOrdered On Demand

Rick's Motorcycles, Airfilter Good Guys. Euro 3

#720994

Stock:Yes

Approval Information: Euro 4 Softail 2018 – 2020 M8 Euro 4 114 Cui Combination-Approval-Certificate: OEM, KessTech, Jekill&Hyde, Penzl Approval not for Jekill & Hyde M8 DE53J Approval not for manual adjustable Exhaust, Kess-Tech ESM 1 System or J&H DE53J! Air filter element by market leader K&N. CNC machined, billet aluminum The integrated breather re-routes the oil directly into the intake. Integrated noise reduction, invisible from outside. Noise reduction can be removed for optimized performance. Mounting instructions included. Made in Germany Note: If a parts certificate (“Teilegutachten”) is required for this air filter, please order MCS# 721948 Rick’s Motorcycles Good Guys Airfilter Certificate separately (free of charge). For ordering the parts certificate (“Teilegutachten”), please have the bike’s VIN and exhaust configuration ready.
Rick's Motorcycles
NewOrdered On Demand

Rick's Motorcycles, Airfilter Good Guys. Euro 4

#720996

Stock:Yes

Approval Information: Euro 5 Softail ab 2021 – 2024 M8 Euro 5 107 Cui Combination-Approval-Certificate: OEM, KessTech, Jekill&Hyde, Penzl Approval not for Jekill & Hyde M8 DE53J Approval not for manual adjustable Exhaust, Kess-Tech ESM 1 System or J&H DE53J! Air filter element by market leader K&N. CNC machined, billet aluminum The integrated breather re-routes the oil directly into the intake. Integrated noise reduction, invisible from outside. Noise reduction can be removed for optimized performance. Mounting instructions included. Made in Germany Note: If a parts certificate (“Teilegutachten”) is required for this air filter, please order MCS# 721948 Rick’s Motorcycles Good Guys Airfilter Certificate separately (free of charge). For ordering the parts certificate (“Teilegutachten”), please have the bike’s VIN and exhaust configuration ready.
Rick's Motorcycles
NewOrdered On Demand

Rick's Motorcycles, Airfilter Good Guys. Euro 5

#720997

Stock:Yes

Approval Information: Euro 4 Touring ab 2017 – 2020 M8 Euro 4 107 Cui + 114 Cui Combination-Approval-Certificate: OEM, Jekill&Hyde, KessTech, Penzl Approval not for Jekill & Hyde M8 DE53J Approval not for manual adjustable Exhaust, Kess-Tech ESM 1 System or J&H DE53J! Air filter element by market leader K&N. CNC machined, billet aluminum The integrated breather re-routes the oil directly into the intake. Integrated noise reduction, invisible from outside. Noise reduction can be removed for optimized performance. Mounting instructions included. Made in Germany Note: If a parts certificate (“Teilegutachten”) is required for this air filter, please order MCS# 721948 Rick’s Motorcycles Good Guys Airfilter Certificate separately (free of charge). For ordering the parts certificate (“Teilegutachten”), please have the bike’s VIN and exhaust configuration ready.
Rick's Motorcycles
NewOrdered On Demand

Rick's Motorcycles, Airfilter Good Guys. Euro 4

#720999

Stock:Yes

Approval Information: Euro 5 Touring ab 2021 – 2024 M8 Euro 5 107 Cui + 114 Cui Combination-Approval-Certificate: OEM, Jekill&Hyde, KessTech, Penzl Approval not for Jekill & Hyde M8 DE53J Approval not for manual adjustable Exhaust, Kess-Tech ESM 1 System or J&H DE53J! Air filter element by market leader K&N. CNC machined, billet aluminum The integrated breather re-routes the oil directly into the intake. Integrated noise reduction, invisible from outside. Noise reduction can be removed for optimized performance. Mounting instructions included. Made in Germany Note: If a parts certificate (“Teilegutachten”) is required for this air filter, please order MCS# 721948 Rick’s Motorcycles Good Guys Airfilter Certificate separately (free of charge). For ordering the parts certificate (“Teilegutachten”), please have the bike’s VIN and exhaust configuration ready.
Rick's Motorcycles
NewOrdered On Demand

Rick's Motorcycles, Airfilter Good Guys. Euro 5

#721000

Stock:Yes

Required, matching covers (721017, 721016, 721014, 721015, 721013, 721012, 721011) in various designs available (not included!). Approval Information: Euro 4 Softail 2018 – 2020 M8 Euro 4 114 Cui Combination-Approval-Certificate: OEM, KessTech, Jekill&Hyde, Penzl Approval not for Jekill & Hyde M8 DE53J Approval not for manual adjustable Exhaust, Kess-Tech ESM 1 System or J&H DE53J! Air filter element by market leader K&N. CNC machined, billet aluminum The integrated breather re-routes the oil directly into the intake. Integrated noise reduction, invisible from outside. Noise reduction can be removed for optimized performance. Mounting instructions included. Made in Germany Note: If a parts certificate (“Teilegutachten”) is required for this air filter, please order MCS# 721948 Rick’s Motorcycles Good Guys Airfilter Certificate separately (free of charge). For ordering the parts certificate (“Teilegutachten”), please have the bike’s VIN and exhaust configuration ready.
Rick's Motorcycles
NewOrdered On Demand

Rick's Motorcycles, Airfilter Good Guys 2 Basic Built Kit

#721006

Stock:Yes