My 90's are great. Have considered going a little bigger before fuel prices doubled.
Tows great with low egts (about 1100* at low power settings and 40lbs boost with a 9000lb load up a hill).
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2004 Cummins(235HP Model); BD RACE TWINS; 90 HP Nozzles; Twin CP3 PUMPS; TST Powermax; Smarty; Water/Meth; 4" Dual Exhaust; ATS Trans; Billet Input; Billet Flex Plate; Glacier Pump; 18" x 9" Helo Maxx Wheels; Terra Grapplers