Collection: 2016-2019 Nissan Titan Cummins 5.0L

5.0L Cummins (Titan XD) — Tuning, EGR, Exhaust & Fuel

Calibrated tuning, EGR upgrade kits, exhaust, and fuel hardware for the 2016–2019 Nissan Titan 5.0L Cummins (Titan XD). The Titan XD 5.0L is the only Cummins-powered Titan; it runs the EZ Lynk and HP Tuners platforms rather than the inline-6 Cummins tooling. Every part here is matched to your truck and ordered the way you'd build it.

What you need to tune the 5.0L Cummins (Titan XD)

A supported device (EZ Lynk Auto Agent, HP Tuners MPVI4) plus a Dieselr-calibrated tune file — GDP and Chaos Custom Tuning calibrations are also available. EZ Lynk requires no send-in.

Exhaust & off-road hardware

Downpipe-back and turbo-back exhaust in aluminized and stainless, plus Cat & DPF race pipes for off-road and competition use. Larger-diameter exhaust lowers EGT and frees airflow as power climbs. EGR upgrade kits include block-off plates, coolant bypass, gaskets, and EGT provision. Off-road and competition use only; pair with a matching calibration so the engine runs correctly.

Fuel

FASS, S&S Diesel, Dynomite Diesel, and Dieselr fuel hardware support higher fueling as power climbs.

Compatibility

Organized by confirmed fitment for the 2016–2019 Nissan Titan 5.0L Cummins (Titan XD).

FAQ

What do I need to tune a 5.0L Cummins (Titan XD)?
A supported device plus a Dieselr-calibrated tune file. Add off-road EGR and exhaust hardware if your build moves past the factory emissions configuration.

Do I need a tune with an EGR upgrade kit?
Yes — the calibration prevents fault codes and derate after the hardware change.

What fuel upgrade do I need?
Stock-to-mild builds run the factory system; higher power calls for added fuel supply and supporting hardware.

Are EGR upgrade kits and race pipes street legal?
These products are intended for off-road and competition use only. It is the buyer's responsibility to comply with all applicable federal, state, provincial, and local emissions laws.