The Driven Diesel " Fuel Bowl Delete" Regulated Return Kit for the 99-03 Powerstroke Super Duty takes our popular "Standard" Regulated Return Kit to a new level. Just like our "Standard" version, this kit eliminates the "dead-head" stock fuel rails and provides adjustable fuel pressure capability to the Powerstroke fuel system. This is accomplished by tying the end of each fuel rail together through a Bypass Fuel Pressure Regulator. In addition, the "Bowl Delete" Regulated Return kit also eliminates the restrictive fuel filter bowl, improving fuel flow to the heads and giving back some valuable engine valley room.   The primary benefits of this kit are significantly increased fuel flow "through" the heads, eliminating fuel delivery and noise issues associated with the #8 injector and ensuring that every fuel injector has adequate fuel quantity and pressure all the time. Additionally, any air that may develop in the fuel system can pass through the heads and out the regulators return port to the tank, instead of through the fuel injectors...resulting in increased injector life and less injector noise. If you are installing new injectors (stock or aftermarket), we HIGHLY RECOMMEND one of our Regulated Return kits to protect your investment and maximize your performance!   NOTE: Additional Parts and Filtration Required when using this kit! See below for notes about specific common configurations: If using a STOCK FUEL PUMP, you will need one of our "Post-Pump Fuel Filter Kits" (select by transmission type) AND our "Fuel Pump Outlet Adapter". If using a FUELAB or AEROMOTIVE race fuel pump, you will need one of our "Post-Pump Fuel Filter Kits" (select by transmission type). If using a high pressure FASS or AIRDOG II, you will need our "FASS / AirDog Install Kit".
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