Will a delete tune hurt my engine reliability?

Not if you tune smart. Stock emissions equipment (DPF, EGR) actually creates more stress on your engine by trapping heat and carbon. A quality delete tune with proper fuel and boost management runs cleaner and cooler than stock. Avoid extreme tuning on marginal fuel or you'll see problems. Most guys who delete their 6.7L report better longevity because they're not fighting restrictive equipment.

Can I switch between delete and stock tunes on my tuner?

Yes—that's the whole point of aftermarket tuners like EFI Live and H&S Mini Maxx. You can load a delete tune for weekend driving and a stock-legal tune for situations where you need it. Switching takes seconds. Just understand that physically removing DPF/EGR hardware is permanent, so a stock tune won't put that equipment back in place.

What's the difference between EFI Live and H&S Performance for my 2019-2021 Cummins?

EFI Live offers deeper customization and more tuning files available from community developers. H&S is simpler and more plug-and-play. Both work great on 2019-2021 trucks. EFI Live edges ahead for guys building extreme power. H&S wins for straightforward reliability tuning. Pick whichever matches your goals.

Do I need a delete tune if I'm only doing an exhaust mod?

A tuner and a delete pipe work best together, but some guys run a delete pipe with a stock tune and see modest gains. You'll get way better results if you pair the exhaust mod with a tune that removes the DPF and EGR restrictions from the engine computer. That's when the real power and economy numbers show up.

Will deleting my 2019-2021 Ram Cummins throw a check engine light?

Not if your delete tune is dialed in correctly. Quality tunes from EFI Live, H&S, and Ez Lynk disable the emission fault codes. You won't throw lights. That said, cheap knockoff tunes or incomplete deletes sometimes leave sensor conflicts. Buy from established brands and make sure your tuner supports your specific model year (2019-2021 has different controller software than 2013-2018).

Can I tune my 2019-2021 Cummins with a tuner built for older years?

Not reliably. The 2019-2021 trucks use updated engine control software. You need a tuner specifically calibrated for your model year. Check the product description for year compatibility. Using the wrong tuner year can cause drivability issues or failure to load. We list exact year ranges for every tuner in this collection.

What happens to my warranty when I install a delete tune?

Dodge will likely deny warranty claims related to the engine, transmission, or emissions system. That's the trade-off. Most guys accept that risk because the reliability gain from removing emissions equipment outweighs factory warranty protection. Just understand what you're giving up before you order.

2019-2020 Ram Cummins 6.7L | The Diesel Dudes

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EFI Live Autocal V3 Dodge Ram 6.7L Cummins 2007-2021 | Delete Tuner

EFI Live Autocal V3 Dodge Ram 6.7L Cummins 2007-2021 | Delete Tuner

EGR Delete | Dodge 6.7L Cummins Diesel 2010-2024

EGR Delete | Dodge 6.7L Cummins Diesel 2010-2024

DPF & CAT Delete Pipe | Dodge Ram 6.7L Cummins 2019-2021

DPF & CAT Delete Pipe | Dodge Ram 6.7L Cummins 2019-2021

Ez Lynk Auto Agent 3 for Dodge Ram 6.7L Cummins 2007.5-2021 | Delete Tuner

Ez Lynk Auto Agent 3 for Dodge Ram 6.7L Cummins 2007.5-2021 | Delete Tuner

EZ LYNK AUTO AGENT DPF Delete Tune | Lifetime Support Pack | Dodge Ram Cummins

EZ LYNK AUTO AGENT DPF Delete Tune | Lifetime Support Pack | Dodge Ram Cummins

RaceMe Ultra Dodge Ram 6.7L Cummins | Delete Tuner

RaceMe Ultra Dodge Ram 6.7L Cummins | Delete Tuner

Throttle Valve Delete | Dodge Ram 6.7L Cummins | 2007.5-2024

Throttle Valve Delete | Dodge Ram 6.7L Cummins | 2007.5-2024

Universal Edge INSIGHT CTS3 MONITOR

Universal Edge INSIGHT CTS3 MONITOR

2019-2021 Ram Cummins 6.7L

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