Mine is 2 years old and the only thing I noticed was the o2's got a little lazy this spring so I replaced them right before Pinks in Belle Rose. Mine stays in my car all the time street or strip.

'33 Plymouth 5 Window Coupe Blown Aluminum HEMI w/bolt ons (under construction) '69 Chrysler 300 Convertible 375 HP 440 '71 Plymouth Duster 360 W/EFI (Wife's Ride) '12 Ram MegaCab Dually 6.7 Cummins