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The Toyota Tundra's 5.7L V8 (3UR-FE) is already a powerhouse — but the factory intake system treats it like a commuter sedan. Toyota packed the 5.7L with a bulky airbox and undersized plastic tubing that chokes airflow and starves the V8 of the cold, dense air it needs to make real power.
The Flashark High-Flow Cold Air Intake Kit changes that. Built around a large-bore 4" (102mm) mandrel-bent aluminum intake pipe and a high-flow cone filter, this kit significantly increases the volume and density of air reaching your 5.7L — unlocking sharper throttle response, stronger low-end and mid-range torque, and a deep V8 induction growl the factory system completely kills. An integrated steel heat shield keeps engine radiant heat away from the filter, maintaining cold air temperatures even during hard pulls or towing.
True bolt-on fitment for 2012-2015 Tundra V8 5.7L. No cutting, no welding, no fabrication.
Features:
4" (102mm) Large-Bore Aluminum Intake Pipe — significantly larger than the factory plastic tubing; paired with two Φ29 vacuum nipples for direct connection to factory breather lines without adapters
High-Flow Red Cone Air Filter — washable and reusable dry cotton gauze filter (152mm inlet / 190mm net height / 130mm top cap / 180mm base); no oil required, far better flow than OEM paper elements, lasts the life of the truck
Full Steel Heat Shield Included — large-format steel heat shield mounts to factory locations, creating a sealed cold air box around the filter; critical for maintaining intake temp gains on a high-heat V8 engine bay like the Tundra's 5.7L
Nylon Filter Base (Φ82) — CNC nylon base adapter ensures a sealed, rattle-free connection between the filter assembly and the intake pipe; no vibration, no air leaks
Dual Reducing Silicone Couplers (Φ89-101mm) × 2 — multi-ply high-temp silicone reducers handle the transition between factory rubber hoses and the 102mm aluminum pipe without restriction
Breather Reinforcement Hose (Φ13mm × 185mm) — connects factory crankcase breather port directly to intake system; eliminates vacuum leaks and CEL from breather line disconnects
3× Steel Mounting Brackets — dedicated mounting hardware engineered for factory Tundra mounting points; no flex, no vibration under V8 load
Vibration Dampening Strip (1910mm) — full-length anti-vibration foam strip wraps the intake pipe to prevent rattle and protect the aluminum finish in the Tundra's high-vibration V8 engine bay
Powder-Coated Black Finish — durable matte-black aluminum pipe resists heat and corrosion; looks purpose-built in the Tundra 5.7L engine bay
Complete Hardware Package — all stainless steel clamps, aluminum spacers, bolts, and washers included; nothing extra to buy
Why Upgrade Your Intake?
The 5.7L 3UR-FE V8 in the Tundra is one of Toyota's best engines — proven, reliable, and genuinely powerful. But the factory intake system was engineered around noise suppression and cost targets, not performance. The result is an airbox that restricts the V8's breathing at exactly the RPMs where you need power most: towing, highway merges, and anything above 4,000 RPM.
The Flashark Cold Air Intake fixes the bottleneck:
- More usable torque for towing — the 5.7L Tundra is a work truck first; a free-flowing intake gives you the low-end and mid-range grunt you need under load
- Sharper throttle response — the V8 answers immediately under acceleration; no hesitation, no bog
- Real V8 induction sound — the factory airbox was specifically designed to suppress intake noise; the Flashark intake finally lets the 3UR-FE sound like what it is
- Heat shield keeps temperatures down — critical on a truck engine that runs hot; the full steel heat shield blocks engine radiant heat to maintain cold air density
- Reusable filter for life — no more $40+ OEM paper elements every 15,000 miles
| Year | Make | Model | Engine |
|---|---|---|---|
| 2012–2015 | Toyota | Tundra | 5.7L V8 (3UR-FE) |
⚠️ Note: Fits Tundra CrewMax, Double Cab, and Regular Cab configurations with the 5.7L V8 engine. Does NOT fit Tundra 4.6L V8 (1UR-FE) or 4.0L V6 models. Verify your engine is the 5.7L (3UR-FE) before ordering.
2012–2015 Toyota Tundra 5.7L V8 Cold Air Intake FAQ
Q1: Will this cold air intake fit my 2012–2015 Toyota Tundra 5.7L V8?
A1: Yes. This cold air intake is designed for 2012, 2013, 2014, and 2015 Toyota Tundra trucks equipped with the 5.7L i-Force V8 (3UR-FE engine). Always confirm your engine type before ordering, as other Tundra engines such as the 4.6L V8 or 4.0L V6 require different intake systems.
Q2: Does this intake fit the 3UR-FE 5.7L engine?
A2: Yes. This kit is specifically designed for the Toyota 3UR-FE 5.7L V8 engine found in 2012–2015 Tundra models. It matches factory intake routing, throttle body connection, and MAF sensor placement for proper installation and operation.
Q3: Will this cold air intake increase horsepower on my Tundra?
A3: Yes, but results vary. Most users see a gain of approximately 8–15 horsepower depending on supporting modifications, fuel quality, and driving conditions. The most noticeable improvement is improved throttle response and stronger engine sound rather than peak horsepower alone.
Q4: Do I need a tune after installing this 5.7 Tundra intake?
A4: No tune is required for a properly installed bolt-on cold air intake. The factory ECU can automatically adjust air-fuel ratios. However, a tune can further optimize performance if combined with exhaust upgrades or throttle body modifications.
Q5: Is this intake safe for towing and heavy-duty use?
A5: Yes. This intake is designed for daily driving and towing applications. It improves airflow efficiency, which can slightly enhance throttle response under load. However, it does not increase the factory towing capacity of your Toyota Tundra.
Q6: Will this intake improve fuel economy?
A6: Fuel economy improvements are not guaranteed. Some drivers may see minor gains during steady highway driving, but real-world MPG depends on tire size, load weight, driving style, and vehicle maintenance.
Q7: Does this cold air intake fit other Toyota models?
A7: No. This intake is specifically engineered for the 2012–2015 Toyota Tundra 5.7L V8. It is not compatible with Tacoma, 4Runner, Sequoia, or other Toyota models due to differences in engine layout and sensor positioning.
Q8: Will this intake cause a check engine light (CEL)?
A8: A properly installed intake should not trigger a check engine light. CEL issues usually come from loose clamps, incorrect MAF sensor installation, or air leaks. Always double-check all connections during installation.
Q9: What sound difference will I notice after installation?
A9: You will hear a deeper and more aggressive V8 intake sound, especially under acceleration. At cruising speed, noise levels remain close to stock, but throttle response sound becomes more pronounced.
Q10: Is this a true cold air intake or a short ram intake?
A10: This system is designed as a high-flow intake that may function closer to a short ram setup depending on filter placement. It prioritizes airflow improvement and throttle response over complete airbox isolation.
Q11: Does the intake require MAF sensor recalibration?
A11: No recalibration is required. The factory MAF sensor is retained in its original position. Proper installation is important to ensure accurate airflow readings and prevent drivability issues.
Q12: Can this intake cause engine damage or overheating?
A12: No, when installed correctly. The intake is designed to maintain safe air-fuel ratios. However, poor installation or unsealed air leaks can affect engine performance, so careful installation is essential.
Q13: Is this intake affected by rain or water ingestion?
A13: Under normal driving conditions, it is safe. However, avoid deep water crossings or flooding. Like all open-filter intakes, excessive water exposure can increase the risk of hydrolock.
Q14: How difficult is installation on a Toyota Tundra 5.7L?
A14: Installation is bolt-on and typically takes 30–60 minutes with basic hand tools. No cutting or permanent modification is required. It is suitable for DIY installation.
Q15: Does this intake improve throttle response and acceleration?
A15: Yes. By reducing intake restriction, the engine can respond faster to throttle input. This results in noticeably sharper acceleration and improved mid-range performance feel.
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Every order comes with a 14-day free return, provided the item is brand new, uninstalled, and in its original packaging. We cover return shipping for quality issues. Refunds are processed within 3-5 business days. Click for Return Policy
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