Upgrade the intake system on your 1999.5-2003 Ford F-250 or F-350 Super Duty with the Sinister Diesel 7.3L Power Stroke Intake Elbow, part number SD-INTEL-7.3-BK. Designed as a direct-fit replacement for the restrictive factory intake piping, this performance intake elbow uses larger-diameter CNC mandrel-bent aluminum tubing to improve airflow, reduce intake restriction, and support faster turbocharger spool. Its Sinister Blue powder-coated finish also provides a clean, distinctive appearance under the hood.
Built for demanding diesel applications, the Sinister Diesel intake elbow features fully TIG-welded aluminum tubing and a precision CNC-machined billet aluminum base plate and flanges. The stronger construction is designed to withstand increased boost pressure while maintaining dependable fitment at the original equipment mounting locations. The large-radius bend helps promote smoother airflow compared with the stock cast intake elbow, making this component a practical upgrade for performance-focused 7.3L Power Stroke builds.
This kit includes the Sinister Blue powder-coated aluminum intake elbow, required installation hardware, and a Sinister Diesel 7.3L silicone high-temperature boot kit. The durable silicone boots replace the factory-style connections and are engineered to handle the heat and pressure associated with turbocharged diesel operation. It fits 1999.5-2003 Ford F-250 and F-350 Super Duty trucks equipped with the 7.3L Power Stroke engine. This product is not CARB approved and may require acknowledgment where applicable.
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