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Cold Air Intake for Acura SLX (1998-1999) 3.5L V6 Engine



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Maximize Power & Response: Cold Air Intake for the Acura SLX’s Isuzu 6VD1 V6 (1998-1999)

Who It’s For: Designed specifically for 1998-1999 Acura SLX owners running the venerable Isuzu 6VD1 V6 engine, who demand more from their SUV than the factory ever intended. If you’re looking for crisper throttle response, improved power on the highway, or just a more authoritative engine note, this upgrade is for you.

The Problem: Here’s the deal — that stock air box on your Acura SLX’s Isuzu 6VD1 V6? It’s a significant choke point. From the factory, these systems are engineered for quietness and cost-efficiency, not for maximum airflow. When you hit the accelerator, especially climbing a grade or trying to merge with traffic, the engine struggles to pull in enough cool, dense air. This restriction starves the Isuzu 6VD1 V6, leading to sluggish response, wasted fuel, and leaving a lot of the engine’s potential power untapped.

The Solution: We’ve engineered this cold air intake system to correct those factory design flaws, delivering reliable, optimized performance for your Acura SLX. By replacing the restrictive OEM components with a high-flow, direct-path induction system, we ensure your Isuzu 6VD1 V6 pulls in a steady, cooler, and denser charge of air from outside the hot engine bay. This isn’t just about sound; it’s about creating a more efficient combustion process, leading to a noticeable bump in horsepower and torque across the entire RPM range. We’re talking about waking up that V6 and making it breathe like it always should have.


Why This is the Ultimate Upgrade

  • Enhanced Power & Torque: Experience a tangible increase of up to 10% in both horsepower and torque. You’ll feel it immediately — better off-the-line acceleration, more confident passing power, and improved capability for those long hauls or steep climbs. This isn’t just a peak number; it’s a more responsive throttle and stronger pull throughout the entire RPM band.
  • Optimized Thermal Control: Our design actively draws in cooler air from outside the engine bay, away from radiant heat sources. Cooler air is denser, meaning more oxygen molecules per combustion cycle. This translates directly into more efficient fuel burn and a more powerful ‘explosion’ inside your Isuzu 6VD1 V6’s cylinders, ensuring consistent performance even under heavy load.
  • Direct Fit & Straightforward Installation: This isn’t a universal kit — it’s designed specifically for your 1998-1999 Acura SLX. The kit comes complete with high-velocity induction piping, a durable, reusable high-flow performance air filter, and all necessary couplers, clamps, and hardware. It’s a bolt-on solution designed for a secure, straightforward installation right in your garage.
  • Unmistakable Engine Tone: Beyond the performance gains, you’ll notice a richer, more aggressive induction growl from your Isuzu 6VD1 V6 under heavy acceleration. It’s the sound of a freed-up engine, letting you know it’s ready to work.

Technical Specifications

Fitment 1998–1999 Acura SLX
Engine Family Isuzu 6VD1 V6 (3.5L DOHC)
Factory Ratings Approx. 215 HP @ 5400 RPM, 230 lb-ft Torque @ 3000 RPM
Part Numbers N/A - Not provided in source data

Compatibility & OEM Reference

Fits the Following Vehicles:

  • 1998 Acura SLX 3.5L V6
  • 1999 Acura SLX 3.5L V6

Interchange Part Numbers:

Not specified in the provided product data.


Installation Tip

Always disconnect the NEGATIVE GROUND CABLE from your battery before you start any installation work and keep it off for at least one minute after you finish. This battery reset allows the engine’s computer (ECU) to learn the new airflow parameters from your cold air intake and adjust fuel trims accordingly. Also, ensure the engine is completely cool before beginning work to avoid burns and make component handling easier.


The Performance Promise

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Engine Safety Rating
Difficulty 


Fitment

Make

Acura

Engine Size

  • 3.5L

Year

  • 1998
  • 1999

Warranty

All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]

Cold Air Intake for Acura SLX (1998-1999) 3.5L V6 Engine

$82.99