Eliminate the factory Intake Air Heater or IAH with this Driven Diesel Intake Air Heater Plug. This plug will also give you a convenient area to pull boost readings from and or add water methonal injection. The factory Air Intake Heater is located in the Cold Side Inlet of the intake manifold on the engine and blocks approximately 20% of the intake path. Since the heater is RARELY active due to the very specific circumstances under which the PCM enables it, many customers have removed it in and replaced it with a plug like this to improve air flow.
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Specifications
- ManufacturerDriven Diesel
- MPNDD-73L-IAH | DD-73L-IAH-BOOST
FEATURES & BENEFITS:
- Custom Machined from Billet Aluminum
- Black Anodized Finish for Protection and Appearance
- Recessed 1/8" Female NPT Tapped Port(for use with either a boost gauge fitting or a water/methanol nozzle*)
- Black 1/8" NPT Plug Included
- 1-1/8" Hex Size for Easy Installation
- Optional Quick Disconnect Fitting for Standard 1/8" Boost Line
- Available as part of a complete "IAH Boost Gauge Install Kit"
IMPORTANT NOTE:
- IMPORTANT WATER/METHANOL NOZZLE NOTE: This fitting has been tapped with a TAPERED 1/8" female pipe thread. Standard 1/8" NPT fittings (like those used for boost gauges) will fit perfectly. The Water/Methanol nozzles that we have tested have a straight thread and will NOT turn far enough into the IAH fitting without modification. If you wish to use the IAH Plug for a Water/Methanol nozzle location, you will need to carefully tap the port with a 1/8-27 NPT tap UNTIL THE NOZZLE FACE IS AT LEAST FLUSH WITH THE INSIDE FACE OF THE IAH PLUG. If the nozzle face is left recessed into the threaded port, the spray from the nozzle can hit the inside of the port and significantly compromise the spray pattern of the water system (potentially causing a "flooding" scenario that could damage the engine).
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