Best Sellers
Tried, Tested, and Trusted. Browse Spetuner’s most popular full delete bundles, CAT & DPF delete kits, EGR removal kit, and custom tuners engineered for your truck.
Diesel Delete Kits
Stop guessing and start saving. Our Diesel Delete all-in-one Bundle combines precision EGR block off plates, stainless steel performance delete pipe, and custom tunes engineered to unlock max horsepower & torque. Guaranteed to fit your Powerstroke, Cummins, or Duramax perfectly—saving you up to 20% compared to buying parts separately.
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Installation Guides
Install It Yourself. Step-by-step guides for your truck. Know the tools, the fit, and what comes next.
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Miller Lars2004.5–2005 6.6L LLY Duramax EGR Delete Kit with High-Flow Intake Installation Guide
Quick Answer: How Do You Install an LLY EGR Delete Kit with a High-Flow Intake? On a 2004.5–2005 6.6L LLY Duramax,... -
Miller Lars2011–2017 Ford F250/F350 6.7L Powerstroke DPF Delete Pipe Installation Guide
Quick Answer: 2011–2017 Ford 6.7 DPF Delete Pipe Install The illustrated 2011–2017 F-250/F-350 6.7L DPF replacemen... -
Miller Lars2020–2023 Ford 6.7L Powerstroke 5-inch Downpipe-Back Exhaust with Muffler Installation Guide
Quick Answer: 2020–2023 Ford 6.7 5-Inch Muffler Exhaust Install Install the 2020–2023 Ford 6.7L 5-inch muffler ...