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  3. MAXPEEDINGRODS QERP78

MAXPEEDINGRODS QERP78 Intake Horn Kit Gm Duramax 3.5 6.6L L5P

fits model: Turbo. year: 2017–2019.

Qerp78 Maxpeedingrods 3.5 Inch Stainless Turbo Intake Horn Kit For Gm 6.6l L5p Duramax 2017-2019

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: QERP78 ), ( Part Type: Intake Horn ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Fitment: For Chevrolet Silverado 2500hd/3500hd 6.6l L5p Duramax 2017-2019, For Gmc Sierra 2500hd/3500hd 6.6l L5p Duramax 2017-2019 ), ( Manufacturer Warranty: 1 Year ), ( Material: Aluminum ), ( Performance Part: Yes ), ( Unit Type: Unit ), ( Universal Fitment: No )

Review MAXPEEDINGRODS 3.5 Inch Stainless Intake Horn Kit For Gm 6.6l L5p Duramax fits TURBO 2017–2019

The Maxxpeedingrods QERP78 3.5 Turbo Intake Horn for GM 6.6L L5P Duramax 2017-2019 is a high-performance aftermarket intake horn designed to provide improved air intake for your Duramax diesel engine. This intake horn is specifically engineered for the 6.6L L5P Duramax engines used in select 2017-2019 GM trucks and SUVs.

This intake horn is constructed from high-quality, durable materials, ensuring long-lasting performance and reliability. The horn itself is made from polished stainless steel, which not only looks great but also resists corrosion and rust. The bracket is made from CNC-machined aluminum, ensuring a precise fit and robust construction.

The Maxxpeedingrods QERP78 3.5 Turbo Intake Horn is designed to replace the OEM intake horn and provides several benefits. The larger diameter and increased length of the horn allow for more air to be drawn into the engine, resulting in increased horsepower and torque. The horn's unique design also helps to reduce turbulence and improve airflow, leading to better engine performance and improved fuel efficiency.

Installation of this intake horn is straightforward and can be completed in about an hour with basic hand tools. The kit includes all necessary hardware and instructions for installation. The horn comes pre-assembled, making installation even easier.

The Maxxpeedingrods QERP78 3.5 Turbo Intake Horn is a great upgrade for anyone looking to improve the performance of their Duramax diesel engine. Whether you're towing heavy loads, driving off-road, or just looking for a power boost, this intake horn is an excellent investment. With its high-quality construction, easy installation, and proven performance benefits, the Maxxpeedingrods QERP78 3.5 Turbo Intake Horn is a must-have for any serious Duramax enthusiast.

MaxxECU QERP78 3.5 Turbo Intake Horn for GM 6.6L L5P Duramax (2017-2019): Pros, Cons, and Conclusion

The MaxxECU QERP78 3.5 Turbo Intake Horn is a performance upgrade designed for the GM 6.6L L5P Duramax engines used in various models from 2017 to 2019. This component aims to improve the engine's responsiveness and power delivery. In this analysis, we will discuss the key pros, cons, and a concluding recommendation based on available information.

Pros:

1. Enhanced Throttle Response: The intake horn replaces the factory unit, which can improve the throttle response, making the engine feel more responsive and lively.

2. Increased Power: Some users report an increase in power, especially in the mid-range, after installing the QERP78 3.5 Turbo Intake Horn.

3. Easy Installation: The installation process is relatively straightforward, and most users can complete it within a few hours.

4. Improved Engine Sound: The intake horn can provide a more pleasing engine sound, making the driving experience more enjoyable.

Cons:

1. Subjective Results: The performance improvement and sound change can be subjective, depending on individual preferences and driving styles.

2. Potential Noise: Some users have reported an increase in noise levels, which may not be desirable for everyone.

3. Cost: The intake horn is a premium upgrade, and the cost may not be justifiable for some users.

Conclusion:

The MaxxECU QERP78 3.5 Turbo Intake Horn is a performance upgrade that can provide enhanced throttle response, increased power, and an improved engine sound for the GM 6.6L L5P Duramax engines. However, the results are subjective, and potential users should consider the increased noise levels and cost before making a purchase.

If you value a more responsive engine, a more engaging driving experience, and an improved engine sound, the QERP78 3.5 Turbo Intake Horn may be a worthwhile investment. Conversely, if you prefer a quieter driving experience or are not convinced of the performance benefits, this upgrade might not be the best choice for you.

Recommendation:

Before making a decision, consider your personal preferences, driving style, and budget. If the benefits align with your requirements, the MaxxECU QERP78 3.5 Turbo Intake Horn can be a valuable addition to your Duramax-powered vehicle. However, if you are unsure or have concerns, it may be wise to consult a professional mechanic or seek advice from other Duramax owners before purchasing.

Details:

As shown in the picture above. No tuning required for installation. 1 x Turbo Intake Horn. Package included.

1.This intake horn does not require tuning for installation. Finish Polished. Note: Will not for aftermarket Turbos. MaXpeedingrods has a longstanding commitment to the research of ECU, engine, gearbox and vehicle performance electronic calibration.

Color: Sliver. For GMC Sierra 2500HD/3500HD 6.6L L5P Duramax 2017 -2019. Material:Aluminum. Type: Intake Horn Kit.

For Chevrolet Silverado 2500HD/3500HD 6.6L L5P Duramax 2017 -2019. 2.The OEM plastic intake horn is smaller and fragile compared to our 3.5 Horn. We established cooperation's with EM tron, Mote, LINK, Cartel, Him, etc. MaXpeedingrods always follow the development concept that Success derives from devotion and happiness comes sharing to make contributes domestic overseas car tuning enthusiasts global racing culture by excellent products service.

Condition Brand New.

specifications airfueldepo:

  • for models: Turbo
  • for years: 2017-2019
  • brand: Maxpeedingrods
  • mpn: Qerp78
  • part type: Intake Horn
  • california prop 65 warning: California Prop 65 Warning
  • fitment: For Chevrolet Silverado 2500hd/3500hd 6.6l L5p Duramax 2017-2019, For Gmc Sierra 2500hd/3500hd 6.6l L5p Duramax 2017-2019
  • manufacturer warranty: 1 Year
  • material: Aluminum
  • performance part: Yes
  • unit type: Unit
  • universal fitment: No

general airfueldepo:

  • Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery
  • condition: New

returns airfueldepo:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

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seller airfueldepo:

  • # reviews: 27629
  • city: Houston, Texas
  • rating: 99.2%

shipping airfueldepo:

  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $0.00
  • class: Standard
  • carrier: FedEx
  • transit: 4-7 Days

offer airfueldepo:

  • started: December 5, 2025
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 3
for models: turbo, for years: 2017-2019, part type: intake horn, california prop 65 warning: california prop 65 warning, fitment: for chevrolet silverado 2500hd/3500hd 6.6l l5p duramax 2017-2019, for gmc sierra 2500hd/3500hd 6.6l l5p duramax 2017-2019, manufacturer warranty: 1 year, performance part: yes, unit type: unit, universal fitment: no,
category: auto parts > car truck parts accessories > air fuel delivery, material: aluminum, sku: 12050987992299682,

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