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4 Inches Cold Air Intake Kit For 2003-2007 Ford 6.0 Powerstroke Diesel F250 F350 F450 F550
The factory intake on your 6.0 Powerstroke was designed for silence and cost — not airflow. The sealed plastic airbox with flat paper filter chokes the turbo, especially under load when you're towing or merging. The Flashark 4" cold air intake replaces the entire restrictive factory system with a mandrel-bent aluminum intake tube, oversized conical dry filter, and steel heat shield that isolates the filter from underhood heat soak.
The 4" diameter aluminum tube provides a smooth, turbulence-free airflow path from filter to turbo — no corrugated rubber hose, no crushed bends. You'll notice quicker turbo spool, a more aggressive turbo whistle the factory airbox silences, and sharper throttle response through the low-to-mid RPM range. No tune required — the factory ECM accommodates the change in airflow. Bolt-on in 45-60 minutes with basic hand tools.
Key Features
4" Mandrel-Bent Aluminum Intake Tube — Black powder-coated finish (Black variant) / Red powder-coated finish (Red variant); smooth internal bore eliminates turbulence from the factory corrugated rubber hose; powder-coat resists heat soak, corrosion, and underhood chemicals
Oversized Conical Dry Cotton Filter — High-flow dry cotton gauze element — no oil required, no MAF sensor contamination risk, no over-oiling-induced check engine lights; washable and reusable for the life of the truck
Bolt-On Installation — No Tune Required — Uses factory mounting points; reuses the stock mass airflow (MAF) sensor with no adapter; no cutting, no drilling, no ECM reprogramming
Improved Throttle Response & Turbo Spool — Reduced intake restriction lets the variable-geometry turbo (VGT) build boost 200-300 RPM sooner; most noticeable under load — towing, passing, and highway merge acceleration
Up to 50% Increase in Airflow — 4" mandrel-bent tubing + oversized filter element deliver dramatically more CFM than the stock flat paper filter and corrugated rubber hose
Aggressive Turbo Whistle — The open-element filter eliminates the factory airbox's sound dampening; you'll hear the VGT spool clearly — a deep, authoritative whistle unique to the 6.0 Powerstroke
7-10% Horsepower & 6-8% Torque Gain — On a stock 6.0 Powerstroke (325 HP / 570 lb-ft), expect approximately 23-32 HP and 34-46 lb-ft of additional output; gains are most pronounced when paired with an exhaust upgrade or mild tune
Washable & Reusable Filter — Clean every 10,000-15,000 miles with mild soap and water; no replacement filters to buy — the included dry cotton filter lasts the life of the truck
Details and Specifications:
SKU: FLIS08101
Brand: Flashark
Type: Cold Air Intake Kit
Pipe Diameter: 4" (101.6mm) OD
Material: Aluminum piping
Tubing Finish: Powder-coated
Filter Type: Dry cotton gauze
Filter Style: Conical open-element
Filter Color: Black/Red
Airflow Increase: Up to 50% over stock
Horsepower Gain: 7-10%
Torque Gain: 6-8%
Fitment Type: Direct factory replacement
Filter Maintenance: Clean every 10,000-15,000 miles
Estimated Install Time: 45-60 minutes
Warranty: 1 Year
Shop More Cold Air Intake Kits
Package Includes:
- Include 1X Performance Cold Air Intake
- Brand: Rtune Racing
- Style: Cold Air Intake
- Color: Black Pipe | Gray Filter
- Material: Aluminum Piping
- Filter: Washable and Reusable
Features:
- The air intake kit can help your engine to draw more cold air resulting in better throttle response and higher explosive horsepower outputIntake pipe made by light weight T-304 aluminum w/polished
- Allow maximum airflow through the stock manifold system and Intense deep sporty Sound
- Improve throttle response throughout low and mid RPMFilter is upgraded to high quality washable and reusable cone air filter
- This air intake kit will increase 7-10% of Horsepower and 6-8% of Torque
- Easy to install and easy to fit with simple tools
- No additional parts will be needed for installation after you purchase this kit
- Typically, a cold air intake can add between 5-15 horsepower to your vehicle
- The reusable air intake filter features dual-layer pleated cotton with filter oil to trap dirt and dust effectively. Requires cleaning only once every 100,000 miles, ensuring easy maintenance and reduced replacement costs
If you like this cold air intake kit, please feel free to buy it; after purchasing, you can always contact us for a full refund if you don't want it;
Delivery:
Free Shipping;
Shipping Time: Estimated in 3-5 Working Days
A 6.0 Powerstroke Cold Air Intake System relocates the filter outside of the engine compartment to deliver the coolest air inlet temperatures possible. Cooler air carries more oxygen, which leads to a more powerful explosion in the combustion chamber, translating into increased horsepower and torque for your 6.0 Powerstroke diesel engine. This increase in engine performance is only part of the power equation. Tuning the inlet pipe’s length and diameter to match your 6.0 Powerstroke engine's resonance ensures maximum airflow, pushing more air into the cylinders (think of your engine as a high-efficiency air pump). This precise tuning enables the 6.0 Powerstroke cold air intake system to deliver substantial power gains across the entire RPM range, optimizing your vehicle’s performance from low to high speeds.
2003-2007 Ford 6.0 Powerstroke Cold Air Intake Kit FAQ
Q1: Which Ford trucks does this 6.0 Powerstroke cold air intake kit fit?
A1: This 4-inch cold air intake kit is designed for Ford Super Duty trucks and Excursion models equipped with the 6.0L Power Stroke turbo-diesel engine. Confirmed applications include the 2003-2007 Ford F-250 and F-350 Super Duty, 2003-2007 F-450 Super Duty, 2004-2005 F-550 Super Duty, and 2003-2005 Ford Excursion. It also fits specified Harley-Davidson editions equipped with the 6.0L diesel engine.
Q2: Will this intake fit every 2003-2007 Ford Super Duty?
A2: No. Fitment depends on both the model year and the engine. This product is specifically designed for vehicles equipped with the 6.0L Power Stroke V8 turbo-diesel engine. It is not intended for trucks with the 5.4L gasoline engine, 6.8L V10, 7.3L Power Stroke, or later 6.4L and 6.7L Power Stroke engines.
Q3: Does this kit fit a 2006 Ford F-250 6.0 Powerstroke?
A3: Yes. A 2006 Ford F-250 Super Duty equipped with the 6.0L Power Stroke diesel engine is included in the listed fitment range. This directly supports buyers searching for a 2006 F250 cold air intake or a 2006 6.0 Powerstroke cold air intake kit.
Q4: Is this a true 4-inch cold air intake for the 6.0 Powerstroke?
A4: Yes. The kit uses a large 4-inch intake pipe to provide a less restrictive airflow path than a smaller intake tube. The larger-diameter aluminum piping is intended to help the turbo draw air more freely, particularly when the engine is under load or paired with other airflow upgrades.
Q5: Is a cold air intake worth installing on a 6.0 Powerstroke?
A5: It can be worthwhile for owners who want more turbo sound, a reusable filter, a performance-oriented engine-bay appearance, and a less restrictive intake path. However, the factory 6.0 Powerstroke intake system already performs well on many stock trucks, so buyers should expect the most noticeable differences to be intake sound, throttle feel, and airflow support rather than a dramatic standalone horsepower increase.
Q6: How much horsepower will this 6.0 Powerstroke cold air intake add?
A6: Actual horsepower gains vary with the condition of the truck, tuning, exhaust flow, turbo setup, elevation, and other modifications. A cold air intake alone usually produces modest gains on an otherwise stock 6.0 Powerstroke. Its primary value is reducing intake restriction and supporting airflow, especially when the truck also has tuning, exhaust, intercooler, or turbo upgrades.
Q7: Will this intake improve throttle response?
A7: The larger intake pipe and less restrictive filter can help the turbo receive air more easily, which may produce a sharper throttle response, particularly through the low- and mid-RPM range. The difference will vary by truck and may be more noticeable on a tuned or modified 6.0 Powerstroke than on a completely stock engine.
Q8: Will a 6.0 Powerstroke cold air intake improve fuel economy?
A8: Fuel economy improvements are not guaranteed. Some drivers may see a small change when the engine can breathe more efficiently, while others see no measurable MPG increase. Vehicle condition, tire size, gearing, towing weight, tuning, speed, and driving habits have a much larger effect on fuel economy than the intake alone.
Q9: Will this cold air intake make my 6.0 Powerstroke louder?
A9: Yes. A less restrictive cone-filter intake typically makes the turbo whistle, compressor sound, and intake noise more noticeable than the enclosed factory airbox. Many 6.0 Powerstroke owners consider the stronger turbo sound one of the most noticeable benefits of installing an aftermarket air intake.
Q10: Does this 6.0 Powerstroke air intake require a tune?
A10: A tune is generally not required for basic installation of this cold air intake kit. The factory engine management system can normally accommodate the airflow change from an intake upgrade. A custom tune may help maximize performance when the intake is combined with larger injectors, turbo modifications, exhaust upgrades, or other major engine changes.
Q11: Can this intake cause a check engine light?
A11: A correctly installed intake should not normally cause a check engine light. Problems are more likely if a sensor is left disconnected, a clamp is loose, the intake has an air leak, or a component is installed in the wrong position. Inspect all couplers, clamps, sensor connections, and hoses before starting the engine.
Q12: Is the included air filter washable and reusable?
A12: Yes. The kit includes a washable and reusable cone-style air filter. Reusable filtration can reduce the need to purchase disposable replacement filters, but the filter must still be inspected and serviced correctly to maintain airflow and prevent dirt from entering the turbocharger.
Q13: How often should I clean the 6.0 Powerstroke cold air intake filter?
A13: Cleaning frequency depends on operating conditions rather than mileage alone. Trucks used on dusty roads, farms, construction sites, or off-road environments require more frequent inspection than highway-driven trucks. Check the filter during regular oil-service intervals and clean it whenever dirt buildup begins restricting the pleats. Do not wait for an extremely long advertised service interval if the truck operates in dusty conditions.
Q14: Is this intake suitable for towing with a Ford F-250 or F-350?
A14: Yes, it can be used on a towing truck when correctly installed and maintained. The larger intake path can support airflow while the engine is working under load, but the filter must remain clean and properly sealed. For frequent towing, monitor engine coolant temperature, oil temperature, exhaust gas temperature, boost, and overall engine condition rather than relying on the intake alone for improved towing performance.
Q15: How difficult is the 6.0 Powerstroke cold air intake installation?
A15: Installation is generally manageable with common hand tools and does not normally require major engine modification. The process involves removing the factory intake components, positioning the new aluminum pipe and filter, reconnecting the required hoses or sensors, and tightening the supplied clamps. Before driving, verify that the pipe does not contact nearby components and recheck all connections after the first few heat cycles.
| Years | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2003-2007 | Ford | F-250 Super Duty | 6.0L V8 Powerstroke Turbo Diesel | All trims; 2WD & 4WD |
| 2004-2007 | Ford | F-250 Harley Davidson Edition | 6.0L V8 Powerstroke Turbo Diesel | HD special edition |
| 2003-2007 | Ford | F-350 Super Duty | 6.0L V8 Powerstroke Turbo Diesel | All trims; SRW & DRW |
| 2005-2007 | Ford | F-350 Harley Davidson Edition | 6.0L V8 Powerstroke Turbo Diesel | HD special edition |
| 2003-2007 | Ford | F-450 Super Duty | 6.0L V8 Powerstroke Turbo Diesel | Chassis cab & pickup |
| 2004-2005 | Ford | F-550 Super Duty | 6.0L V8 Powerstroke Turbo Diesel | Chassis cab |
| 2003-2005 | Ford | Excursion | 6.0L V8 Powerstroke Turbo Diesel | SUV; discontinued after 2005 |
Q: Which Ford trucks does this 6.0 Powerstroke cold air intake kit fit?
A: This 4-inch cold air intake kit is designed for Ford Super Duty trucks and Excursion models equipped with the 6.0L Power Stroke V8 turbo-diesel engine. Confirmed applications include the 2003-2007 Ford F-250 and F-350 Super Duty (all trims, 2WD & 4WD), the 2003-2007 F-450 Super Duty, the 2004-2005 F-550 Super Duty, the 2003-2005 Ford Excursion, and specified Harley-Davidson editions. It does NOT fit trucks with the 5.4L gas, 6.8L V10, 7.3L Powerstroke, or later 6.4L/6.7L Powerstroke engines.
Q: Will this intake fit my 2006 Ford F-250 6.0 Powerstroke?
A: Yes. A 2006 Ford F-250 Super Duty equipped with the 6.0L Power Stroke diesel engine is fully compatible with this intake kit. The 6.0 Powerstroke was used from mid-2003 through the 2007 model year, so all 2003-2007 F-250/F-350 Super Duty trucks with the 6.0L diesel badge are covered. If your truck has the 5.4L V8 gas or 6.8L V10, this kit will not fit.
Q: Is this a true 4-inch cold air intake for the 6.0 Powerstroke?
A: Yes. The kit uses a full 4-inch diameter aluminum intake pipe — significantly larger and less restrictive than the factory intake tube. The 4" diameter provides a smooth, mandrel-bent airflow path that helps the variable-geometry turbo (VGT) draw air more freely, particularly under load or when paired with other airflow upgrades like exhaust or intercooler modifications.
Q: How much horsepower will this 6.0 Powerstroke cold air intake add?
A: On a stock 6.0 Powerstroke (325 HP / 570 lb-ft), expect approximately 7-10% horsepower gain (23-32 HP) and 6-8% torque gain (34-46 lb-ft). Actual gains vary with truck condition, tuning, exhaust flow, turbo health, elevation, and other modifications. The intake's primary value is reducing intake restriction and supporting airflow — it works synergistically with tuning, exhaust, and intercooler upgrades. Paired with a mild tune and exhaust, expect the upper end of the range.
Q: Does this cold air intake require a tune?
A: No tune is required for basic installation. The factory engine management system can accommodate the airflow change from this intake upgrade. You will not get a check engine light from installing this kit on a stock truck. However, a custom tune may help maximize performance when the intake is combined with larger injectors, turbo modifications, exhaust upgrades, or other major engine changes. Many 6.0 Powerstroke owners run this intake on stock programming with no issues.
Q: Will this intake make my 6.0 Powerstroke louder?
A: Yes — and for most 6.0 owners, that's a feature, not a bug. The open-element conical filter eliminates the factory airbox's sound dampening, making the turbo whistle, compressor sound, and intake noise significantly more noticeable. The 6.0 Powerstroke's variable-geometry turbo (VGT) emits a distinctive whistle that the factory-sealed airbox deliberately muffles. With this intake installed, you'll hear the VGT spool clearly — a deep, authoritative sound that many diesel enthusiasts consider one of the most satisfying benefits of an aftermarket intake.
Q: Will this cold air intake improve fuel economy on my 6.0 Powerstroke?
A: Fuel economy improvements are possible but not guaranteed. Some drivers see a small MPG increase (0.5-1 MPG) when the engine breathes more efficiently, particularly on highway driving. However, tire size, gearing, towing weight, driving habits, and vehicle condition have a far larger impact on fuel economy than the intake alone. Don't purchase this product solely for fuel savings — buy it for the throttle response, turbo sound, and airflow support.
Q: Can this intake cause a check engine light?
A: A correctly installed intake should not cause a check engine light. The factory MAF sensor transfers directly to the new intake tube — no adapter or spacer needed. Problems typically arise only from incorrect installation: a disconnected sensor, loose clamp, air leak at a coupler, or a component installed in the wrong position. Before starting the engine after installation, inspect all couplers, clamps, sensor connections, and vacuum hoses. Recheck all connections after the first few heat cycles.
Q: Is the included air filter washable and reusable?
A: Yes. The kit includes a washable and reusable conical dry cotton gauze filter — no oil required. Unlike oiled filters, which can contaminate the MAF sensor if over-oiled, dry cotton media flows freely and requires no oiling after cleaning. Clean every 10,000-15,000 miles with mild soap and water, let air dry completely, and reinstall. No replacement filters to buy — the included filter lasts the life of the truck under normal use.
Q: How difficult is the installation? Can I do it myself?
A: Yes — installation is straightforward and typically takes 45-60 minutes with common hand tools. The process involves: (1) removing the factory airbox, intake tube, and filter; (2) positioning the steel heat shield using factory mounting points; (3) installing the aluminum intake tube with silicone couplers and clamps; (4) mounting the conical filter; (5) transferring the MAF sensor to the new tube; (6) verifying all connections. No cutting, drilling, or fabrication required. Recheck all clamps after the first 3-5 heat cycles as silicone couplers settle.
Q: Is this intake suitable for towing with a Ford F-250 or F-350?
A: Yes. The larger 4" intake path supports airflow when the engine is working under load, which is exactly when the 6.0 Powerstroke needs it most. The heat shield keeps intake temperatures manageable during sustained towing. However, the filter must remain clean and properly sealed — check it more frequently if you tow in dusty conditions. For heavy towing, also monitor EGT (exhaust gas temperature), coolant temperature, and oil temperature rather than relying on the intake alone to improve towing performance.
Q: What's the difference between the Black and Red variants?
A: The only difference is the color of the powder-coated finish on the aluminum intake tube. Both variants use identical 4" mandrel-bent aluminum piping, the same red conical dry cotton filter, the same steel heat shield, and the same hardware kit. The Black variant ($135) features a stealthy black powder coat that blends into the engine bay; the Red variant ($165) features a red powder coat for a more aggressive, performance-oriented visual statement. Choose based on your aesthetic preference — performance is identical.
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