
( Brand: Discount ), ( Part Type: Flow Intake Horn ), ( Manufacturer Part Number: DDP-446 ), ( Material: Stainless Steel ), ( Fuel Type: Diesel )
Review DISCOUNT High Flow 3.5 Inch Polished Intake Horn Pcv Port 6.6l L5p Duramax fits TURBO 2017–2019
The DDP-446 High Flow 3.5 Turbo Intake Horn for 17-19 6.6L L5P Duramax trucks is a crucial upgrade for those seeking to enhance the performance of their diesel engine. Designed specifically for Duramax engines, this intake horn is engineered to provide improved airflow and boost response, making it an essential modification for serious off-road enthusiasts and high-performance diesel tuners.
This intake horn is manufactured using high-quality materials, ensuring durability and reliability. The horn is constructed from heavy-duty aluminum, which is both lightweight and strong. Its unique design includes a large, open-flow inlet that minimizes air restriction, allowing for a more efficient intake process. This results in a quicker response from the turbocharger, providing increased power and torque.
The DDP-446 High Flow 3.5 Turbo Intake Horn also features a PCV port, which is essential for proper engine operation. The PCV (Positive Crankcase Ventilation) system helps to prevent crankcase pressure buildup, reducing the risk of oil leaks and maintaining optimal engine performance.
Installation of this intake horn is straightforward and can be completed in a relatively short amount of time, making it an accessible modification for both professional mechanics and DIY enthusiasts. The kit includes all necessary hardware, ensuring a hassle-free installation process.
In summary, the DDP-446 High Flow 3.5 Turbo Intake Horn for 17-19 6.6L L5P Duramax trucks is an essential upgrade for those seeking to maximize the performance of their diesel engine. Its durable construction, large intake inlet, and inclusion of a PCV port make it a valuable investment for off-road enthusiasts and high-performance tuners alike.
The DDP-446 High Flow 3.5 Turbo Intake Horn with PCV Port for 17-19 6.6L L5P Duramax engines is a performance part designed to improve airflow and reduce turbo lag in diesel trucks. Here are some potential pros and cons of purchasing this intake horn:
Pros:1. Increased Airflow: The high-flow design of this intake horn allows for increased airflow into the turbocharger, which can lead to improved engine performance and horsepower gains.
2. Reduced Turbo Lag: By reducing the amount of backpressure in the intake system, this intake horn can help reduce turbo lag, allowing for quicker throttle response and better acceleration.
3. Improved Engine Sound: Some customers report a more aggressive engine sound after installing this intake horn.
4. Easy Installation: The intake horn is designed to be a bolt-on installation, making it a relatively simple upgrade for DIY enthusiasts.
Cons:1. Potential for Increased Noise: While some customers report an improved engine sound, others may find that the intake horn produces excessive noise.
2. Cost: The DDP-446 High Flow 3.5 Turbo Intake Horn is not an inexpensive upgrade, and some customers may be put off by the cost.
3. Potential for Check Engine Light: Some customers have reported that installing this intake horn triggered their check engine light. However, this issue can often be resolved by properly re-calibrating the PCM.
Ending Conclusion:The DDP-446 High Flow 3.5 Turbo Intake Horn with PCV Port offers several potential benefits for diesel truck enthusiasts, including improved airflow, reduced turbo lag, and a more aggressive engine sound. However, it also comes with some potential drawbacks, such as the possibility of increased noise and the potential for triggering the check engine light. Ultimately, whether or not this intake horn is worth the investment will depend on individual preferences and priorities.
Recommendation:If you are looking for a performance upgrade that can help improve engine performance and reduce turbo lag, the DDP-446 High Flow 3.5 Turbo Intake Horn with PCV Port is a solid option. However, it is important to keep in mind that this is a relatively expensive upgrade, and you should be prepared for the potential for increased noise and the possibility of triggering the check engine light. If you are unsure about the installation process or have any concerns, it may be worth considering working with a professional mechanic to ensure a successful installation.
specifications maniheader:
- for models: Turbo
- for years: 2017-2019
- brand: Discount
- part type: Flow Intake Horn
- manufacturer part number: DDP-446
- material: Stainless Steel
- fuel type: Diesel
shipping maniheader:
- class: Standard
- carrier: UPS
- service: UPS Ground
- transit: 3-7 Days
- type: Fixed
- cost: $0.00
seller maniheader:
- rating: 100.0%
- # reviews: 45
returns maniheader:
- paid by: Seller
- policy: Returns Accepted
- time: 30 Days
offer maniheader:
- availability: In Stock
- options: Ship-to-home
- sold: 0
- quantity: 1
- started: January 6, 2026
- best offers: True
general maniheader:
- condition: New
- Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
payments maniheader:
- wallet: Paypal
- credit card: Discover
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Discount DDP-446 Is Similar To:
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- Discount Ddp-479 Ddp Intake Manifold Upgrade For 15-16 Ford 6.7l Power Stroke Diesel (41.1% similar) $520.00–$620.00. (February 11th, 2026)
