K&N Universal Chrome Filter 2 3/4in FLG / 4 1/2in Bottom / 4 1/2in Height K&N Engineering KNNRG-1003RD-L
K&N Universal Chrome Filter 2 3/4in FLG / 4 1/2in Bottom / 4 1/2in Height K&N Engineering KNNRG-1003RD-L
Click to zoom in

K&N Universal Chrome Filter 2 3/4in FLG / 4 1/2in Bottom / 4 1/2in Height

KNNRG-1003RD-L
024844362865
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 41.99
$ 41.99

SKU: RG-1003RD-L | UPC: 024844362865

K&N Universal Chrome Filter 2 3/4in FLG / 4 1/2in Bottom / 4 1/2in Height RG-1003RD-L

The K&N RG-1003RD-L universal clamp-on air filter fits custom intake systems on cars trucks motorcycles and other vehicles with matching flange sizes. Featuring a 2 3/4-inch flange 4 1/2-inch bottom diameter and 4 1/2-inch height this chrome filter provides high airflow for better horsepower and acceleration while maintaining excellent filtration. Its washable reusable design supports long-term performance in any high-flow setup.

Key Features

  • Adjustable Flange: Includes inserts to adapt to three inside flange diameters of 2 1/4-inch 2 1/2-inch and 2 3/4-inch for versatile clamp-on fit
  • Washable Reusable Media: 4-ply cotton gauze cleans easily and re-oils for repeated use delivering consistent airflow over time
  • Horsepower Gains: Engineered design pulls in more air to improve throttle response and acceleration in performance applications
  • High Flow Filtration: Balances massive airflow with superior dust and debris capture to protect engines
  • Chrome Construction: Durable chrome top and molded rubber flange resist vibration for secure attachment and style

Product Notes

  • Filter requires cleaning every 50,000 miles under normal conditions using K&N cleaning kit
  • Vibration-absorbing rubber flange ensures tight seal on intake pipes
  • Packaged in multi-language box for global accessibility

Installation Notes

  • Professional installation recommended.
  • Clamp-on style uses standard hose clamp matching flange diameter not included
  • Compatible with custom metal or plastic intake tubes sized to inserts

This Part Fits

Year Make Model Submodel
Universal Fit All Custom Applications Clamp-On Intakes

Why Choose K&N?

  • Over 60 years developing air filters trusted in racing and street use
  • High-flow media proven in dyno tests for real power increases
  • Precision-molded components built for durability in demanding conditions

Frequently Asked Questions

  • Q: Will the RG-1003RD-L fit my custom intake setup?
    A: Yes it clamps onto intake pipes with 2 1/4-inch 2 1/2-inch or 2 3/4-inch inside diameters using included inserts
  • Q: What finish and materials are used?
    A: Chrome-plated top pairs with pliable molded rubber flange and cotton gauze filter media for strength and filtration
  • Q: What is the warranty and maintenance?
    A: Backed by K&N No-Hassle Lifetime Warranty wash every 30-50,000 miles depending on driving conditions

Shipping & Handling

  • Method: Ground shipping via UPS or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box 8.25 x 7.75 x 6.75 inches
  • Weight: 2 pounds

Request For Information

Have questions about K&N Universal Chrome Filter 2 3/4in FLG / 4 1/2in Bottom / 4 1/2in Height? Fill out the form below and we'll get back to you by the next business day.
Air Filters

Air Filters

Air filters and intake filtration parts for cars, trucks, SUVs, Jeeps, and diesel platforms are stocked at Black Ops Auto Works. Shop direct-fit filters, drop-in replacement filters, universal clamp-on filters, cabin air filters, HVAC filters, engine breather filters, pre-filters, and velocity stacks for Hellcat, Trackhawk, TRX, Grand Cherokee, Challenger, Charger, Camaro, Corvette, Mustang, F-150, Tacoma, Tundra, BMW, and Honda platforms. Every product is filterable by year, make, model, trim, engine, and filter dimension so the correct part ships the first time. Black Ops Auto Works carries 3,397 air filter SKUs across direct-fit, universal, cabin, and pre-filter categories. What This Collection Covers Air filters remove dirt, dust, and debris from air entering the engine or cabin. This collection spans OE-style direct-fit and drop-in filters, universal cone and clamp-on filters for custom intakes, cabin and HVAC filters for interior air, engine breather filters for crankcase ...

View Air Filters Products
Air Filters - Universal Fit

Air Filters - Universal Fit

Universal fit air filters for cars, trucks, and SUVs across every make and platform are stocked at Black Ops Auto Works. Shop clamp on cone filters, open element filters, carbureted filters, oval filters, velocity stack filters, reusable cotton gauze filters, and dry synthetic media filters sized by flange diameter, base, top, and height for custom intakes, fabricated setups, carburetors, and universal cold air intake kits. Every product is filterable by flange size, base and top dimensions, height, media type, and brand so the correct filter ships the first time. Black Ops Auto Works carries 908 universal fit air filter SKUs across clamp on, oval, velocity stack, and carbureted categories. What This Collection Covers Universal fit air filters are not built for a specific year, make, and model. Instead they are sized by physical dimensions, flange inside diameter, base diameter, top diameter, and overall height, so they can be matched to custom intake piping, fabricated intake t...

View Air Filters - Universal Fit Products
K&N Engineering

K&N Engineering

K&N Engineering filters and intakes for Jeep, RAM, Dodge, Chevy, Ford, Toyota, BMW, and Cadillac platforms are stocked at Black Ops Auto Works. Shop cold air intakes, Aircharger and NextGen intake systems, reusable panel filters, drop-in filters, universal clamp-on filters, oil filters, cabin filters, fuel filters, and filter cleaning kits for HEMI, Cummins diesel, EcoBoost, and LS/LT engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 1,927 K&N Engineering SKUs across intake, filtration, and maintenance categories. What This Brand Covers K&N Engineering built its reputation on reusable, high flow air filtration. This collection spans complete cold air intake systems, direct fit replacement filters, universal clamp-on filters for custom builds, and maintenance items like oil filters, fuel filters, and cabin filters. Cold Air Intakes and Intake Systems K&am...

View K&N Engineering Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×