Cold Air Intake Filter & Heat Shield Kit for 1994-2002 Dodge Ram 2500/3500 5.9L Diesel | SPELAB

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Description

The 1994-2002 5.9L Cummins (12-Valve and 24-Valve) is a legendary powerhouse, but the restrictive factory airbox chokes its true towing and performance potential. You know you need more air, but upgrading your intake can be a minefield.

The Aftermarket Intake Trap:
Many cheap aftermarket cold air intakes replace your entire intake plumbing with poorly designed tubes. This alters the factory sensor housing diameter and causes severe air turbulence, which inevitably triggers rough idling, bad air-fuel mixtures, and the dreaded P0101 Check Engine Light (CEL).

The SPELAB "Smart-Flow" Solution:
We engineered this kit to give you massive airflow gains without the headaches. This kit intentionally retains your factory intake tube to keep your engine's sensor readings 100% accurate. We eliminate the actual restriction—the choked-up factory airbox—by replacing it with a massive High-Flow Black Air Filter and a dedicated Black Heat Shield.

You get the dense, cold air required for faster turbo spool, aggressive engine sound, and serious horsepower, all while guaranteeing code-free reliability.

Fitment

• 1994-2002 Dodge Ram 2500/3500 5.9L L6 Diesel.
  

Key Features

• Code-Free Reliability (No-Tube Design)
  By retaining your factory intake tube and sensor housing, we eliminate the air turbulence and sensor scaling issues that plague competitor kits. Experience massive airflow improvements without ever triggering a P0101 code, rough idle, or Check Engine Light (CEL).

• Engineered Heat Isolation
  Includes a precision-cut Black Heat Shield that physical separates your fresh air intake from the blistering heat of the engine bay and exhaust manifold. Forces your turbo to ingest colder, denser air, which dramatically lowers Exhaust Gas Temperatures (EGTs) and improves combustion efficiency.

• Instant Turbo & Throttle Response
  Removes the bulky, restrictive factory airbox and paper filter. Significantly reduces turbo lag and throttle delay, giving you instant torque the moment you press the pedal—ideal for heavy towing and passing.

• Massive Performance Potential
  High-flow design feeds your engine the oxygen it craves. Yields a noticeable 5-20hp bump on naturally aspirated setups, and drastically amplifies horsepower and torque gains on tuned turbo-diesels.

• Unleashed Engine Sound
  Removing the factory sound-deadening airbox lets your engine breathe. Unlocks the true, aggressive roar of your 2nd Gen Cummins inline-6 and significantly amplifies that iconic turbo whistle.

• Protective Pre-Filter Included
  Comes standard with a custom-fit breathable pre-filter wrap. Acts as a first line of defense against large dust particles, dirt, and water splashes, drastically extending the life and cleaning intervals of your main air filter.

Specifications

What's in the Box

• 1x High-Flow Black Air Filter
• 1x Black Heat Shield Assembly
• 1x Protective Pre-Filter Wrap
  (Note: Standard installation hardware such as silicone couplers and clamps are included to ensure a complete, direct-fit installation).

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FAQs

Q: Why doesn't this kit include the intake tube?
A: This is a deliberate design choice! Replacing the factory tube often alters the sensor housing dimensions, causing air turbulence and triggering P0101 Check Engine Light codes. By upgrading the filter and adding a heat shield—but keeping the factory tube—you get maximum airflow gains while keeping your truck's computer perfectly happy.

Q: Will this intake cause a Check Engine Light (CEL)?
A: No. Because this kit utilizes your factory intake tube and sensor location, your engine reads the airflow perfectly. You will not experience the rough idle or CEL issues caused by full-tube replacement kits.

Q: Do I need to tune my truck to use this intake?
A: No, a custom tune is not required to run this intake safely. You will feel an immediate improvement in turbo spool and throttle response on a stock truck.

Q: What is the Pre-Filter for?
A: The included pre-filter (filter sock) is a breathable cover that slips over the main black air filter. It catches larger debris like bugs, mud, and heavy dust before it reaches the pleats of the main filter, making maintenance much easier and extending the life of your filter.

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Video

See the Results: 5.9 Cummins SPELAB Cold Air Intake Install

Check out this second-gen Cummins fitted with a new SPELAB cold air intake system! See the installed air box, weather stripping, and filter for improved airflow and turbo whistle.

Installation Video Showcase

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