2018+ M8 Air Intake & Fuel System

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      36 products
      The Trask Assault Charge High-Flow Air Cleaner 2017-2024 Harley M8 is a high-flow black air filter specifically designed for the Harley M8 motorcycle.
      The Trask Assault Charge High-Flow Air Cleaner 2017-2024 Harley M8 is a high-flow black air filter specifically designed for the Harley M8 motorcycle.
      Trask
      Trask Assault Charge High-Flow Air Cleaner 2017-2024 Harley M8
      $539.95
      TC Bros. offers TC Bros. e-gift cards for motorcycle enthusiasts.
      TC Bros.
      TC BROS. GIFT CARD
      from $10.00
      The Vance & Hines FP4 Fuelpak Tuner M8 Touring/Trike/Softail incl. CVO '21-'23 is designed specifically for Harley-Davidson motorcycles.
      The Vance & Hines FP4 Fuelpak Tuner M8 Touring/Trike/Softail incl. CVO '21-'23 is designed specifically for Harley-Davidson motorcycles.
      Vance & Hines
      Vance & Hines FP4 Fuelpak Tuner M8 Touring/Trike/Softail incl. CVO '21-'23
      $459.99
      2 reviews
      A durable TC Bros. Reserve Fuel Bottle with the word texas on it.
      A durable TC Bros. Reserve Fuel Bottle on a white background.
      TC Bros.
      TC Bros. Reserve Fuel Bottle
      $19.95
      17 reviews
      A set of S&S Stealth Air Stinger Air Cleaner Teardrop Kit for 2017-2024 Harley M8 - Gloss Black parts for a camera. (Brand: S&S Cycle)
      A set of S&S Stealth Air Stinger Air Cleaner Teardrop Kit for 2017-2024 Harley M8 - Gloss Black parts for a camera. (Brand: S&S Cycle)
      S&S Cycle
      S&S Stealth Air Stinger Air Cleaner Teardrop Kit for 2017-2024 Harley M8 - Gloss Black
      $407.95
      Close-up of the Trask Assault Charge High-Flow Air Cleaner in chrome, designed for '18-'24 M8 Softail and '17-'23 M8 Touring models. The cylindrical shape features a red filter element inside, with polished metal components that offer the perfect upgrade for your Harley-Davidson.
      Close-up of the Trask Assault Charge High-Flow Air Cleaner in chrome, designed for '18-'24 M8 Softail and '17-'23 M8 Touring models. The cylindrical shape features a red filter element inside, with polished metal components that offer the perfect upgrade for your Harley-Davidson.
      Trask
      Assault Charge High-Flow Air Cleaner - Chrome - For '18-'24 M8 Softail & '17-'23 M8 Touring
      $539.95
      A black Arlen Ness Stage 1 Big Sucker For Milwaukee-Eight air filter on a white background.
      Arlen Ness Stage 1 Big Sucker performance intake air filter for Milwaukee-Eight irons.
      Arlen Ness
      Stage 1 Big Sucker For Milwaukee-Eight, Smooth - Black
      $219.95
      1 review
      Motorcycle fuel management system with two connected oxygen sensors and integrated ThunderMax ECM with Integral Auto Tune System for Harley M8 Softail 21-24.
      Motorcycle fuel management system with two connected oxygen sensors and integrated ThunderMax ECM with Integral Auto Tune System for Harley M8 Softail 21-24.
      ThunderMax
      ThunderMax ECM With Integral Auto Tune System For Harley M8 Softail 21-24
      $1,170.95
      Sold Out
      A KURYAKYN Clinger Fuel Bottle Holder on a white background.
      A Clinger Fuel Bottle Holder by KURYAKYN, with a strap attached to it, perfect for holding a water bottle or fire extinguisher.
      KURYAKYN
      Clinger Fuel Bottle Holder
      $27.99
      A high capacity Vance & Hines air filter for a motorcycle, specifically for Harley 17-UP M8 Models.
      Vance & Hines
      V02 Cage Fighter Air Cleaner Kit For Harley 17-UP M8 Models - Black
      $299.95
      Close-up view of a Harley-Davidson Motorcycle engine featuring a Trask Assault Charge High-Flow Air Cleaner For 17+ M8 by Trask, highlighting intricate metalwork and polished components.
      Close-up view of a Harley-Davidson Motorcycle engine featuring a Trask Assault Charge High-Flow Air Cleaner For 17+ M8 by Trask, highlighting intricate metalwork and polished components.
      Trask
      Trask Assault Charge High-Flow Air Cleaner For 17+ M8
      $536.95
      Two gold Iridium Spark Plugs - M8 Softail/Touring, XG Street 500 &750 Models on a white background, highlighting the NGK Reference and Drag Specialties.
      Two Iridium Spark Plugs - M8 Softail/Touring, XG Street 500 &750 Models by Drag Specialties on a white background.
      Drag Specialties
      Iridium Spark Plugs - M8 Softail/Touring, XG Street 500 &750 Models
      $20.95
      1 review
      The Dynojet Power Vision 3 2021-2022 M8 Harley Softail/Touring MT22 ECU fuel tuner is a handheld electronic device with a screen displaying a menu and buttons for navigation, connected to a cable with a red plug, perfect for enhancing your Harley Softail's performance.
      The Dynojet Power Vision 3 2021-2022 M8 Harley Softail/Touring MT22 ECU fuel tuner is a handheld electronic device with a screen displaying a menu and buttons for navigation, connected to a cable with a red plug, perfect for enhancing your Harley Softail's performance.
      Dynojet
      Dynojet Power Vision 3 2021-2022 M8 Harley Softail/Touring MT22 ECU
      $477.76
      A stainless steel intake manifold for a car, specifically designed as a 55mm manifold to enhance performance. Get the S&S Cycle Performance Manifold (55mm) for your Harley M8 engine and experience unparalleled power gains.
      A stainless steel intake manifold for a car, specifically designed as a 55mm manifold to enhance performance. Get the S&S Cycle Performance Manifold (55mm) for your Harley M8 engine and experience unparalleled power gains.
      S&S Cycle
      S&S Performance Manifold (55mm) for 2017-2023 Harley M8
      $214.95
      A sleek black S&S Cycle Mini Teardrop Stealth Air Cleaner Kit For Harley M8 2018-2022 Models, specifically designed for Harley M8 models from 2018-2022, placed against a clean white background.
      A sleek black S&S Cycle Mini Teardrop Stealth Air Cleaner Kit For Harley M8 2018-2022 Models, specifically designed for Harley M8 models from 2018-2022, placed against a clean white background.
      S&S Cycle
      S&S Cycle Mini Teardrop Stealth Air Cleaner Kit For Harley M8 2018-2022 Models
      $395.95
      A black mesh bag with the word "Arlen Ness" on it that includes a Rain Sock for Stage 1 Arlen Ness Big Suckers.
      A black cover for a black wheel on a white background, like the Rain Sock for Stage 1 Arlen Ness Big Suckers from Arlen Ness.
      Arlen Ness
      Rain Sock for Stage 1 Arlen Ness Big Suckers
      $39.95
      A black Arlen Ness Big Sucker® Upgrade Air Filter, M8 Factory Oval on a white background.
      The Arlen Ness Big Sucker® Upgrade Air Filter, M8 Factory Oval is a high-performance option for Harley-Davidson Street Glide Ventilator® air filter.
      Arlen Ness
      Big Sucker® Upgrade Air Filter, M8 Factory Oval
      $89.95
      Two bottles of Kreem Tank Prep - Rust Removal System for Motorcycle Gas Tanks: a bottle labeled "Tank Prep Wash/Cleaner" on the left, and a bottle labeled "Tank Prep Conditioner" on the right. Both are used for rust removal and metal preparation.
      Kreem
      Kreem Tank Prep - Rust Removal System For Motorcycle Gas Tanks
      $25.95
      A black Dynojet Power Vision Interface Cable with an angled connector on one end and a straight red connector on the other end.
      Dynojet
      Power Vision Interface Cable - For M8 Softail, and Touring bikes
      $54.43
      K&N Recharger Air Filter Cleaner/Oil Kit improves airflow efficiency by using an oiled cotton air filter and a maintenance system.
      K & N Recharger Air Filter Cleaner/Oil Kit includes an oiled cotton air filter for improved airflow efficiency.
      K&N
      K&N Recharger Air Filter Cleaner/Oil Kit
      $17.99
      Close-up of a Rain sock For Trask Assault Charge Intake, a metallic cylindrical object with a mesh-like surface and a clamp mechanism on the side, resembling an air filter.
      Close-up of a Rain sock For Trask Assault Charge Intake, a metallic cylindrical object with a mesh-like surface and a clamp mechanism on the side, resembling an air filter.
      Trask
      Rain sock For Trask Assault Charge Intake
      $15.95
      A budget-friendly solution set of Fuel Tool Check Valve Rebuild Kits for a water pump.
      Fuel Tool
      Check Valve Rebuild Kit- 2000-21 FXD, Sportster, and Vtwin
      $18.95
      Two green Drag Specialties rubber gaskets for a Seal for Fuel Pump Door - XL 08-21 on a white background.
      Drag Specialties
      Seal for Fuel Pump Door - XL 08-21
      $19.95
      The S&S Cycle Stealth Air Cleaner Kit - Cover - Lava Chrome For 23 CVO Road Glide & 24+ M8 with high-strength synthetic polymer filter, mounting plate, cover, screws, gaskets, and O-rings arranged on a white background boosts increase in air flow.
      The S&S Cycle Stealth Air Cleaner Kit - Cover - Lava Chrome For 23 CVO Road Glide & 24+ M8 with high-strength synthetic polymer filter, mounting plate, cover, screws, gaskets, and O-rings arranged on a white background boosts increase in air flow.
      S&S Cycle
      Stealth Air Cleaner Kit - Cover - Lava Chrome For 23 CVO Road Glide & 24+ M8
      $599.95
      Close-up of a black circular mechanical component with a central screw and four spokes, two metal mounting brackets, and a red ribbed filter around its perimeter, resembling the Stealth Air Cleaner Kit - Black Cover - For 23 CVO Road Glide & 24+ Touring often seen on Road Glide models by S&S Cycle.
      Close-up of a black circular mechanical component with a central screw and four spokes, two metal mounting brackets, and a red ribbed filter around its perimeter, resembling the Stealth Air Cleaner Kit - Black Cover - For 23 CVO Road Glide & 24+ Touring often seen on Road Glide models by S&S Cycle.
      S&S Cycle
      Stealth Air Cleaner Kit - Black Cover - For 23 CVO Road Glide & 24+ Touring
      $499.95
      Various components of a sump pump system including a sump pump, hoses, and All Balls fuel pump rebuild kit for '08-'15 Big twin '15-'24 Trike '18-'24 M8 models.
      All Balls
      Fuel Pump Rebuild Kit For '08-'15 Big twin '15-'24 Trike '18-'24 M8 Models
      $83.11
      A set of black Fuel Tool Replacement O-Rings for Fuel Check Valve on a white background.
      Fuel Tool
      Replacement O-Ring for Fuel Check Valve
      $18.95
      A set of Fuel Tool Check Valve Replacement Collar- 2000-21 FXD, Sportster, and Vtwin bearings and rings.
      Fuel Tool
      Check Valve Replacement Collar- 2000-21 FXD, Sportster, and Vtwin
      $19.95
      A brown rubber Drag Specialties seal for Fuel Pump Door 08-23 Touring Models on a white background.
      Drag Specialties
      Seal for Fuel Pump Door 08-23 Touring Models
      $20.95
      An image of a Premium 55mm CNC Ported Black Manifold for M8 Models by S&S Cycle on a metal surface with performance.
      An image of a Premium 55mm CNC Ported Black Manifold for M8 Models by S&S Cycle on a metal surface with performance.
      S&S Cycle
      Premium 55mm CNC Ported Black Manifold for M8 Models
      $399.95
      A black S&S Cycle Stealth Air Cleaner Kit Without Cover for 2017-Up HD® M8 Models motorcycles.
      A black S&S Cycle Stealth Air Cleaner Kit Without Cover for 2017-Up HD® M8 Models motorcycles.
      S&S Cycle
      Stealth Air Cleaner Kit Without Cover for 2017-Up HD® M8 Models
      $225.95
      A set of S&S Chain Drive Camchest Kit & 475 Cam - Harley M8 (Oil-Cooled) Black parts for a S&S Cycle engine.
      A set of S&S Chain Drive Camchest Kit & 475 Cam - Harley M8 (Oil-Cooled) Black parts for a S&S Cycle engine.
      S&S Cycle
      S&S Chain Drive Camchest Kit & 475 Cam - Harley M8 (Oil-Cooled) Black
      $1,621.95
      A black box with two wires attached to it, known as the ThunderMax ECM With Integral Auto Tune Closed Loop System For Harley Touring 2017-2020, is a closed-loop control system.
      A set of ThunderMax ECM With Integral Auto Tune Closed Loop System For Harley Touring 2017-2020 wires and cables for an Auto-Tune car.
      ThunderMax
      ThunderMax ECM With Integral Auto Tune Closed Loop System For Harley Touring 2017-2020
      $1,088.95
      A black box with two wires attached to it, compatible with the Harley M8 Softail, and enhanced by the ThunderMax ECM With Integral Auto Tune System For Harley M8 Softail 2018-2020.
      A set of wires and cables for a car, including the ThunderMax ECM With Integral Auto Tune System For Harley M8 Softail 2018-2020 by ThunderMax.
      ThunderMax
      ThunderMax ECM With Integral Auto Tune System For Harley M8 Softail 2018-2020
      $1,088.95
      A black Arlen Ness Monster Sucker Air Cleaner Kit For Harley 17-UP M8 Models on a white background.
      Close-up of a black Arlen Ness Monster Sucker Air Cleaner Kit For Harley 17-UP M8 Models - Black attached to a motorcycle engine.
      Arlen Ness
      Monster Sucker Air Cleaner Kit For Harley 17-UP M8 Models - Black
      $329.95
      Sold Out
      A black and red Dynojet Power Vision 4 For Harley 2021-2023 car adapter with a red plug.
      The Dynojet Power Vision 4 For Harley 2021-2023, specifically designed for the Harley 2021-2023 models, is the perfect tuner for motorcycles.
      Dynojet
      Dynojet Power Vision 4 For Harley 2021-2023
      $444.43

      Air Intake & Fuel System Upgrades for 2018+ Harley M8 Motorcycles. The 2018+ M8 Air Intake & Fuel System collection at TC Bros is built for riders who demand superior performance and custom style for their Milwaukee-Eight-powered Harley-Davidsons. This category features high-quality air cleaners, fuel management components, and related accessories designed to maximize airflow, enhance throttle response, and boost horsepower. Perfect for models like the Softail Street Bob, Fat Bob, and Low Rider, these parts deliver precision engineering and bold design to complement your custom build. With TC Bros’ dedication to craftsmanship and the rebellious spirit of customization, this collection offers the ultimate upgrades for your M8 engine.