Product Specifications
1991-1994 Nissan 240SX S13 2.4L L4 KA24DE Performance Air Intake Kit
Engineered for the 1991-1994 Nissan 240SX S13 with the 2.4L KA24DE engine, this Flashark performance air intake kit replaces the factory airbox and intake tube to feed the engine through a mandrel-bent 2.75-inch aluminum tube and an open-element dry cone filter. The kit is a direct-fit upgrade for Coupe, Hatchback, and Convertible body styles and bolts on with basic hand tools — no cutting, drilling, or fabrication required.
Specifications
| Brand | Flashark |
|---|---|
| SKU | FLIS25123 |
| Type | Performance Air Intake Kit |
| Style | High-Flow Intake System (Non-Heat Shield, Open-Element Dry Filter) |
| Tube Diameter | 2.75 inches (mandrel-bent aluminum) |
| Material | Lightweight aluminum piping |
| Color | Gloss Black Pipe | Red Filter |
| Filter | High-flow dry cone filter (washable and reusable, no oil required) |
| Sensor Compatibility | Reuses the factory MAF sensor at the OEM location; no spacer or adapter required |
| Compliance | No CARB EO |
| Installation | Bolt-on, basic hand tools, no cutting or drilling required |
Key Features
- Expected output range: Approximately 5-10 hp and 6%-8% torque versus the factory intake on a stock KA24DE; results vary with vehicle state, calibration, and supporting hardware.
- Advanced piping design: The 2.75-inch mandrel-bent aluminum tube is built with smooth, laminar bends to keep airflow stable over the factory MAF sensor and reduce the risk of intake turbulence.
- Washable dry filter: The high-flow dry cone filter traps debris without oiling, which keeps the MAF sensor surface clean and functional and removes the need for re-oiling between services.
- Aggressive induction sound: Replacing the factory airbox with the open-element filter and aluminum tube gives the KA24DE a deeper intake tone under acceleration while quieting down at cruise.
- Sharper throttle response: The larger-diameter intake path and open-element filter improve response across the low- and mid-RPM range for a more direct pedal feel.
- Engine protection: The dry cone media blocks airborne debris and contaminants before they reach the throttle body, supporting consistent operation in daily driving.
- Complete kit: Aluminum intake pipe, dry filter, silicone couplers, hose clamps, and mounting brackets are included — no extra parts required for a standard install on a factory-equipped 240SX S13 KA24DE.
Who this is for
This Flashark performance air intake kit is built for the 1991-1994 Nissan 240SX S13 with the 2.4L DOHC KA24DE engine, in Coupe, Hatchback, or Convertible body styles. It's for owners who want sharper throttle response, a deeper induction tone, and a washable filter in a bolt-on install.
- For you if… you drive a factory-equipped 240SX S13 with the KA24DE and want a first intake upgrade that bolts on with hand tools · you prefer a dry, washable filter that doesn't require re-oiling · you want a noticeable induction sound without going to an open-track setup · you understand the kit has no CARB EO and confirm your state and county rules before ordering.
- Not for you if… your 240SX has a 1989-1990 SOHC KA24E or a JDM engine swap such as the SR20DET or CA18DET (this kit does not fit those configurations) · you need a CARB EO-compliant intake for street registration in California or another CARB-adopting state · you expect a guaranteed MPG gain from an intake alone · you regularly ford deep water without having a hydrolock-safe setup.
Explore more Nissan cold air intake kits for other 240SX generations and Nissan platforms.
Check before ordering
- Vehicle: Direct-fit for the 1991-1994 Nissan 240SX S13 2.4L L4 DOHC KA24DE in Coupe, Hatchback, and Convertible body styles. If your VIN shows a 1989-1990 SOHC KA24E or any JDM engine swap (SR20DET, CA18DET), this kit will not fit.
- Intake type: Open-element dry filter with a 2.75-inch aluminum tube (no sealed heat-shielded airbox). Air is drawn from the engine bay, not from an outside-air feed.
- Filter service: The included filter is a dry, washable media. Service it with mild soap and water, let it air dry completely, and reinstall — do not oil this filter, as over-oiling can contaminate the MAF sensor. Browse the air filter collection for replacement filters and cleaning supplies for your 240SX S13.
- Sensors: The kit reuses the factory MAF sensor at the OEM location and bore. No spacer, adapter, or ECU tune is required for a stock KA24DE.
- Compliance: This SKU carries no CARB EO. It is not legal for sale or use on pollution-controlled motor vehicles in California or other CARB-adopting states, and is intended for off-road or track use in those areas.
- Install space and water: Bolt-on install with basic hand tools, no cutting or drilling required. Avoid deep water crossings — the open-element filter can ingest water and cause hydrolock damage.
What's in the box
- ✓ 2.75-inch mandrel-bent aluminum intake pipe (gloss black)
- ✓ High-flow dry cone air filter (red, washable and reusable)
- ✓ Silicone step couplers (matched to the factory throttle body and intake tube)
- ✓ Heavy-duty hose clamps
- ✓ Mounting brackets and hardware pack
- ✓ Installation instructions
Shipping & Returns
Free U.S. Shipping: Orders are typically processed within 1–2 business days and delivered within 7–9 business days. Additional charges may apply to remote areas.
30-Day Returns: Unopened and unused items in their original packaging may be returned within 30 days of receipt. Return shipping is covered for verified quality issues.
Worry-Free Delivery: Optional protection against eligible loss, theft, delay, or transit damage is available at checkout.
