K&N Universal Air Filter 4in Flange / 5-3/8in Base / 4-1/2in Top / 6in Height

Performance Air Filters and Replacement Filters Shop performance engine filters, factory-airbox replacements, universal intake filters and cabin filters at Black Ops Auto Works. Choose a drop-in element for routine service, a measured clamp-on filter for a custom intake, or a replacement for the aftermarket system already installed. Compare filter media and care requirements alongside the application so the next service is part of the buying decision. Choose the Correct Air Filter Type Direct-fit and drop-in filters: shaped for a specific factory air box or listed intake system. Universal clamp-on filters: selected by flange inside diameter, base and top dimensions, height and available clearance. Cabin and HVAC filters: vehicle-specific filters for air entering the passenger compartment. Breather filters: compact filters for compatible valve-cover, crankcase-vent and catch-can applications. Pre-filters and wraps: outer covers designed for compatible primary filters in dust...

Shop universal air filters for a custom intake, turbo-inlet layout, carbureted air cleaner or compatible crankcase-vent project at Black Ops Auto Works. Compare compact cone filters, large-flange designs, low-profile shapes and complete air-cleaner assemblies to solve the space and connection requirements of your build. Universal Air Filters for Custom Intake Builds A universal filter is selected by dimensions and interface. The flange inside diameter must match the intake tube, turbo inlet, velocity stack, carburetor neck, or breather connection. The filter body must also clear nearby panels, wiring, hoses, heat shields, suspension components, and the hood while leaving enough exposed media for the application. Measure the installation area before ordering. Record the flange size, base width, top width, overall height, filter shape, mounting angle, and straight length available for the clamp. Product titles can look similar even when one dimension makes the filter incompatible. Sh...

Shop BMW 525i parts for brake service, cooling repairs and suspension work at Black Ops Auto Works. Explore EBC E39 brake-pad options, Bilstein struts and do88 E34 coolant hoses alongside ignition components and wheel hardware. Different 525i generations use different assemblies, so build each purchase around the car and engine you are servicing.Brake Pads and Rotors for Your GenerationThe selection includes EBC Redstuff and Yellowstuff rear-pad listings for the E39 525i, plus Brembo and DFC options naming later 525i applications. Match caliper type, axle position and rotor dimensions before comparing compounds or package contents. Choose the service around the condition of the current rotors and the intended use of the car.Cooling Hoses and Engine ServiceThe do88 black coolant-hose listing names 1991–1996 E34 525i/525ix applications. Compare the complete engine and connection coverage with the installed cooling layout. Ignition coils, belts, gaskets and engine hardware have separat...

Shop Honda Civic parts for exhaust upgrades, clutch service, suspension projects and exterior changes at Black Ops Auto Works. Compare AWE exhaust references, Action Clutch kits, Bilstein struts and Seibon panels. Choose around your exact Civic generation, body, engine and trim, including the separate requirements of Si and Type R applications.Exhaust, Intake and Engine ProjectsAWE Touring and Track references distinguish FC1/FC3 Si, FE1 Si and FK8 or FL5 Type R applications, with different layouts and tip choices. Compare manufacturer sound information, routing and complete contents within the matched application. Intake, fuel-hanger and engine references serve separate projects; verify the actual engine, connections and calibration plan before pairing modifications.Clutch and Transmission WorkAction Clutch references cover different generations and engines with separate stage and flywheel combinations. Match transmission, engine, flywheel and release-system requirements first, the...

Shop K&N Engineering intake and filtration products at Black Ops Auto Works. Compare vehicle-specific AirCharger and NextGen systems with replacement engine-air, cabin and oil filters. For a custom intake project, review clamp-on filters, adapters and filter-wrap choices by their exact dimensions and requirements.Vehicle-Specific Intake SystemsCompare K&N AirCharger and NextGen intake systems for the exact Jeep, Dodge, Ram, Ford, GM or other vehicle you are building. Match engine, production and factory induction equipment, then review the tubing, filter, sensor provisions and ventilation connections supplied. Check the selected kit’s complete installation and calibration requirements before ordering.Replacement Engine-Air, Cabin and Oil FiltersChoose an engine-air filter for the existing airbox or intake, a cabin filter for the ventilation system, or an oil filter for the exact engine. Compare the specific High-Flow, Advantage, Advantage Plus or other product’s application ...

Shop Mazda Miata brake parts, dampers, engine components and exhaust options at Black Ops Auto Works. Compare DFC and Brembo brakes, Bilstein suspension choices and generation-specific body or cabin accessories. Choose by exact engine, roof or body configuration and installed equipment to coordinate your project.Brake Service by Generation and PackageChoose DFC rotors, pads, hoses and hardware by complete Miata generation and production coverage, matching axle, installed caliper and rotor dimensions. Review master-cylinder applications separately for ABS and other system requirements. Compare compounds and kit contents only within the correct brake-package application.Bilstein Dampers and Chassis ProjectsDisplayed Bilstein B6 and B8 references have separate generation, position and production coverage. KYB, SuperPro, Cusco and SPL references support different damper, bush or alignment tasks. Match actual chassis and factory equipment, then review installation scope and any required ...

Shop Mazda MX-5 Miata cooling hoses, brake parts, dampers and exhaust options at Black Ops Auto Works. Compare Mishimoto and do88 hose choices, DFC or Brembo brakes, Bilstein suspension components and MBRP or GReddy axle-backs. Choose by exact generation, engine, roof or body configuration and installed equipment.Cooling Hoses and Engine-Service ProjectsChoose Mishimoto coolant hoses and do88 ND coolant or vacuum-hose sets by their separate complete engine and system applications. Match routing, connections and supplied pieces to the installation. Select Boundary oil pumps and ATI dampers independently by the actual engine, crank and accessory-drive configuration for the service or build.DFC and Brembo Brake MaintenanceCompare DFC rotors, pads, hoses and master cylinders by complete Miata generation, axle and brake-system coverage. Match installed caliper, rotor dimensions and ABS configuration where specified. Review Brembo pad-and-rotor kits by their own full applications and cont...

Shop MINI Cooper parts for brake maintenance, an exhaust change or a suspension project at Black Ops Auto Works. Compare aFe exhausts, ALTA intake references and Bilstein dampers with the equipment in your car. Choose by generation, engine and body before adding springs, clutch components or wheel hardware to the build.aFe Exhaust and ALTA Intake OptionsCompare aFe MACH Force-Xp cat-back options by complete Cooper S engine, body and production coverage, then choose the tip finish and supplied exhaust sections. For an R53 intake project, ALTA options distinguish automatic and six-speed applications. Match the exact intake, inlet tube and supporting parts to the installed drivetrain and system before ordering.Brake Service and Compound ChoicesCompare DFC, Brembo, EBC or PowerStop references after matching exact brake package, axle and installed rotor or caliper dimensions. Cooper, Cooper S and JCW equipment can require separate applications. Review sensor needs and full kit contents b...

Shop MINI Cooper S parts for an intake or exhaust project, brake maintenance and chassis work at Black Ops Auto Works. Compare ALTA intake references, aFe and Borla exhaust applications and clutch options around your car’s actual equipment. Choose the generation, body and transmission first so each component suits the build.ALTA Intake and Supercharger ProjectsThe ALTA R53 intake range distinguishes automatic and six-speed applications, with separate inlet tubes and related components. Review exact engine, body and transmission coverage before comparing finishes. Pulley, belt, tensioner and tool references need a coordinated installation plan for the current supercharger setup; the listed percentage is a component specification, not a promised power result.aFe and Borla Exhaust ChoicesCompare aFe MACH Force-Xp cat-back options with Borla axle-back or cat-back systems using exact Cooper S generation, body and production coverage. Borla references distinguish F55 and F57 applications ...

Shop Volkswagen Golf parts for intake, cooling, suspension, brake maintenance and exterior styling at Black Ops Auto Works. Explore APR and do88 systems, Bilstein suspension choices, brake kits and Seibon panels. Start with your actual generation, body, engine and transmission to coordinate the project.Intake and Cooling by Engine Generationdo88 references distinguish V1 or V2 intakes, engine generations, turbo arrangements and OEM or do88 intercooler connections. Compare individual coolers or pipes with BigPack package contents. APR filters, inlets and supporting pieces also require the actual existing system and complete engine coverage matched.Springs, Dampers and Chassis SetupThe selection spans earlier H&R springs, Bilstein B12 packages and later service dampers or chassis references. Match factory suspension, axle, drivetrain and rear-suspension configuration before choosing a setup. DampTronic references require their specific equipment support, while a bushing is a separ...