Join Date: Apr 2017
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So I spoke to FASS and they said that the small filter would be needed in order to have the correct fuel pressure. And suggested that I look up fuel bowl deletes. So I am going with a XPD regulated fuel return and fuel bowl delete kit.
I run an Airdog system in my rig and just change out the top fuel filter every 15-20k miles. I thought about doing a regulated return and deleting the fuel bowl, but the reality is the amount of money to do that job will pay for fuels filters until the year 2407. lol! In all seriousness, both the Airdog and FASS systems have such good filtration, you could probably get away with switch the underhood filter out once every couple of years. I completely deleted the OEM pump/filter assembly at the frame rail and removed them, replacing with the Airdog which has individual screw on filters and water separators. Those are good for 30k miles according to Airdog.
2006 F250 CCSB FX4 6 Speed Manual
KC Stage 1 Turbo, Spearco Intercooler, SCT X4 w/ Custom TSD Tunes, ARP Studs, EGR Delete, South Bend Dual Disc Clutch, AirDog II-4G Pump, AFE HD Momentum CAI, AFE CAC Pipes, AFE Intake Horn, AFE Front & Rear Dif Covers, Magnaflow 4" Turbo Back, EGR Delete, Sinister 200 Amp Alternator, Sinister Coolant Filter, BPD Radiator, BPD Water Pump, Big 3 Upgrade, Blue Spring, EDGE Insight CTS2, Morimoto BI-LED Projector Retrofit and LED Fog Lights, Bilstein 5100s