FAS PREDATOR LOWER PULLEY (No tune Required) Ram TRX, Hellcat Durango, Trackhawk & Hellcat

Definitely see a jump in performance! Highly recommend

Best Power Upgrade w/o Tuning

Do not hesitate to buy this pulley! Undeniably the best upgrade if you're looking for more power without a tune. Really woke up my 2021 TRX on which I am running BWoody intake, QTP Aggressor cutouts, pedal commander and the FAS Predator pulley. Seeing 14psi in colder weather and 13psi in warm weather. Truck now spins the tires off the line and runs 3.5 0-60 times consistently with just power breaking. The best power upgrade for the TRX to run without a tune and on 93 pump gas. No belt squeal and no CELs or codes thrown. BUY IT!!!

Delivers as promised.

Straight forward install. I was a little offput by the flywheel plate removal at first, not realizing that was part of the install procedure, but the directions worked. Seat-of-my-pants dyno definitely says there is more get-up-and-go. I'm having to restrain my right foot more, as I'm chirping the tires in turns far easier than I was before. They are not kidding when they say this is the best bang-for-your-buck, easy modification.