Collection: Downpipe

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Why Choose SPETUNER Downpipes?

  • Optimized Flow: Each downpipe is designed to maximize exhaust flow, reducing restriction and improving horsepower.
  • Durable Materials: Crafted from high-quality stainless steel, ensuring durability even under extreme conditions.
  • Wide Compatibility: Fits multiple diesel engines, including Duramax L5P, LML, LLY, and Powerstroke F-Series models.

Whether you’re upgrading for performance or longevity, SPETUNER downpipes deliver unparalleled results.

Compatible Models and Years

Explore our range of downpipes compatible with popular diesel truck engines:

  1. Duramax 6.6L Engines:
  2. Powerstroke 6.7L Engines:

Each product is precision-engineered to fit perfectly, ensuring hassle-free installation and optimal performance.

Key Features and Benefits

  • Enhanced Turbo Efficiency: Reduces backpressure for quicker turbo spool and improved throttle response.
  • Improved Exhaust Sound: Experience a deeper, more aggressive tone that matches your truck’s performance.
  • Fuel Efficiency Boost: Optimized airflow can lead to improved fuel economy under certain conditions.

Upgrade your exhaust system today and feel the difference in every drive.

Customer Favorites

Duramax 6.6L Downpipe Collection

  • Downpipe For 2004.5+ LLY, LBZ, LMM Duramax Diesel
  • Downpipe Exhaust For 2017+ L5P Duramax

Powerstroke 6.7L Downpipe Collection

  • Downpipe For 2015–2019 Powerstroke Diesel F250/F350

Each product is tested for compatibility and performance, ensuring you get the best fit and results for your diesel truck.

FAQs About Downpipes

1. What performance benefits can I expect from a downpipe?
Downpipes improve turbo response, increase horsepower, and enhance your truck's exhaust tone.

2. Do I need to tune my engine after installing a downpipe?
In most cases, tuning is recommended to fully optimize your truck's performance after installation.

3. Are SPETUNER downpipes street-legal?
Check local regulations as some modifications may be restricted for on-road use.

Why SPETUNER?

At SPETUNER, we specialize in performance parts for diesel trucks. Our downpipes are meticulously engineered, rigorously tested, and trusted by diesel enthusiasts across the country. Plus, we back our products with expert support and a commitment to quality.

Ready to Boost Your Diesel Performance?

Browse our collection of Duramax and Powerstroke Downpipes today and take the first step toward unlocking your truck’s full potential. Whether you’re after more power, better efficiency, or a deeper exhaust note, SPETUNER has the solution.

Disclaimer SPETUNER’s delete kits are intended for off-road or racing use only. They may not be street-legal in all areas, so please verify local laws before installation. Professional installation is strongly recommended to ensure the best results.