2011-2015 Duramax LML

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**Disclaimer:** Products in this collection modify or delete emissions systems. Check your local and state regulations before purchase. We sell for off-road use only. Your 2011-2015 Duramax LML deserves tuning and delete parts that actually work. We stock everything from DPF deletes to EGR kits and proven tuners like H&S Performance and EFI Live. Find your upgrade now. 2011-2015 Duramax LML Diesel Truck Parts & Tuning Solutions Running a 2011-2015 Duramax LML? You know that 6.6L engine is capable of way more than stock. Restrictive emissions systems kill power, tank fuel economy, and create maintenance headaches. That's why serious LML owners upgrade with delete kits and tuning—and that's exactly what you'll find here. What's in This Collection We stock the complete lineup of performance solutions for your 2011-2016 LML Duramax: DPF Deletes: Remove the diesel particulate filter (DPF) that clogs and restricts exhaust flow. Your turbo breathes easier, soot buildup stops, and you reclaim lost horsepower. EGR Deletes: Exhaust gas recirculation (EGR) systems reroute hot exhaust back into the intake, raising temps and lowering power. Delete it and run cooler, cleaner combustion. Cat Deletes: Paired with DPF deletes, cat delete pipes eliminate catalytic converter restrictions for full exhaust freedom. Tuning Platforms: H&S Mini Maxx, EFI Live Autocal, and EZ Lynk tuners let you dial in your LML exactly how you want it—and monitor real-time data while you drive. Up-Pipes & Gaskets: OEM up-pipes crack and leak. Our passenger-side up-pipe kits eliminate that weak point. Which Tuner Is Right for You? All three tuning platforms work with your 2011-2016 LML, but they differ in features: H&S Mini Maxx: No-laptop-required tuning. Load tunes directly on the device, switch between profiles on the fly, and monitor boost, EGT, rail pressure live. EFI Live Autocal V3: Works 2001-2016 Duramax (LB7, LLY, LBZ, LMM, LML). One device, multiple trucks. More advanced if yo