MBRP 4" DPF Back Exhaust Tour Profile Single Side Exit Exhaust 15-16 GM 6.6L Duramax LML PSP-PP-66-220SK or whatever you decide

or whatever you decide

5" of lift on 2017-2019 Ford F250/F350's

It installs easily as a direct replacement

1 pulses per revolution up to 255 pulses per revolution

5" or 4") which will improve airflow

MBRP 4" DPF Back Exhaust Tour Profile Single Side Exit Exhaust 15-16 GM 6.6L Duramax LML PSP-PP-66-220SK or whatever you decideFactory exhausts restrict flow on the 6. 6L Duramax, creating backpressure that chokes turbo efficiency and reduces low end torque. Exhaust pulses collide in tight bends, heat spikes in the manifolds, and the turbo spool lags under load. You feel it immediately when towing or accelerating. The throttle response is dull, and exhaust resonance is uneven, signaling inefficiencies in the stock design. Installing the Armor Lite changes the airflow dynamics