K&N 57-3509 Cold Air Intake Kit for 1994-2001 Acura Integra 1.8L I4

Vehicle Fitment

• 1994-2001 Acura Integra (GS-R) - 1.8L I4
• 1994-1996 Acura Integra (LS, RS, Special Edition) - 1.8L I4

Features

• Direct-fit cold air intake system engineered to improve airflow and throttle response
• Rotationally-moulded high-density polyethylene (HDPE) intake tube for durability and smooth airflow
• Washable and reusable cotton-gauze high-flow air filter for long service intervals
• Custom heat shield to protect the intake from engine bay heat
• Designed for simple installation using factory mounting points - no modifications required
• Provides measurable horsepower and torque gains throughout the RPM range
• Street-legal in all 50 U.S. states (CARB Executive Order D-269-25) - legal for on-road use
• Backed by K&N's Million-Mile Limited Warranty for long-term reliability

Specifications

• Estimated Horsepower Gain: +5.52 HP @ ~7200 RPM
• Estimated Torque Gain: ~4 lb-ft
• Filter Material: Oiled cotton-gauze
• Intake Tube Material: High-density cross-linked polyethylene (HDPE)
• Replacement Filter Part: RF-1030
• Clamps Included: 4 stainless steel hose clamps
• Service Interval: Up to 100,000 miles under normal highway conditions
• Weight: Approx. 6.4 lb (2.9 kg)

Included Components

• 1x Rotomolded intake tube
• 1x High-flow washable air filter
• 1x Silicone coupler
• 4x Stainless steel hose clamps
• 1x Custom heat shield assembly
• Mounting hardware kit
• Installation instruction sheet

Product Description

The K&N 57-3509 FIPK Cold Air Intake Kit is specifically designed for the 1994-2001 Acura Integra models equipped with the 1.8L I4 engine. This system replaces the restrictive factory air intake assembly with a precision-engineered HDPE intake tube and a large washable high-flow air filter, enabling your engine to draw in more air efficiently for improved performance, throttle response and engine sound.

Installation is straightforward and can typically be completed in about 60-90 minutes using standard hand tools and factory mounting locations. The washable and reusable filter saves long-term maintenance costs and the system maintains full legal status for on-road use. With its proven performance gains and durable materials, this intake kit makes an excellent upgrade for enthusiasts seeking reliable, documented benefits.