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Air and Fuel› Air Cleaners, Filters, Intakes and Components

K&N High-Flow

33 Series Panel Air Filter

$107.02 $97.29 Save $9.73

SKU: 33-2134

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The K&N 33 Series Air Filter is a panel air filter designed to boost engine airflow, horsepower, and acceleration. Constructed with four to six layers of cotton gauze sandwiched between two aluminum wire screens, it ensures longevity and efficiency. This filter effectively blocks dirt and debris while maintaining airflow even as it gets dirty, lasting up to 50,000 miles before cleaning is required.
Show original supplier description
The K&N 33 Series Air Filter is a premium panel air filter engineered to significantly enhance your engine's performance. This design not only elevates horsepower and acceleration but also ensures exceptional filtration, effectively blocking dirt and debris without compromising airflow rates. Designed as a direct, drop-in replacement for your vehicle's stock air filter, installation is straightforward. Simply remove the disposable filter and replace it with the K&N 33 Series. This washable and reusable filter can last up to 50,000 miles between cleanings, making it an economical and environmentally conscious choice. Its construction from cotton gauze ensures that airflow remains consistent, even as the filter accumulates dirt. The K&N 33-2134 is compatible with various Mazda models, including the Protege (1995-2003), Protege5 (2002-2003), and 323 (1994-2004), as well as the Premacy (1999-2005). This air filter is backed by K&N's 10-Year/Million Mile Limited Warranty, offering peace of mind and a testament to its durability and quality.
Vehicle Symptoms
  • Engine feels sluggish when accelerating
  • Decreased fuel economy
  • Rough idle or hesitation at low speeds
  • Check engine light may appear indirectly due to restricted airflow
  • Reduced horsepower and throttle response
Relevant Conversations
  • how to improve engine horsepower with a panel air filter
  • K&N 33-2134 vs stock air filter dyno test
  • symptoms of a dirty air filter in my car
  • does K&N air filter increase mpg real results
  • best drop in air filter for performance
  • K&N air filter installation guide 33 series
  • air filter causing check engine light P0171
  • clean vs replace air filter which is better
  • K&N 33 series review and long term test
  • will a new air filter fix hesitation

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandK&N High-Flow
Part Number33-2134
CategoryAir and Fuel

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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