Sinister Diesel Cold Air Intake for 1999.5–2003 Ford 7.3L Powerstroke
Refresh your 7.3L Powerstroke intake with CNC mandrel-bent aluminum tubing, an oversized reusable cotton-media filter and Signature Sinister Blue styling. This Sinister Diesel cold air intake pairs serviceable filtration with a coordinated under-hood look for your next truck project.
Key features
- CNC mandrel-bent aluminum tubing: Designed for smooth airflow.
- Oversized reusable cotton-media filter: Clean and service according to the manufacturer’s instructions rather than replacing a disposable filter at each service.
- Signature Sinister Blue finish: Polished and powder-coated tubing.
- Silicone couplers: Included for the intake connections.
- Mounting hardware included: Sinister Diesel describes the kit as a drop-in installation using basic hand tools.
Sinister Diesel describes this intake as improving throttle response and turbo spool-up for daily driving, towing and hauling. Actual results depend on vehicle condition, modifications and operating conditions; no specific performance gains are stated.
Included components
- CNC mandrel-bent aluminum intake tube
- Reusable cotton-media air filter
- Silicone couplers
- Installation hardware
Fitment
Listed application: Ford F-250 and F-350 with the 7.3L Powerstroke diesel engine. The original title specifies 1999.5–2003, while the supplied description broadly states 1999–2003.
For 1999 trucks: Confirm the 1999.5 application before purchase. Early-1999 compatibility needs confirmation. Check compatibility with any existing turbo or intake modifications before ordering.
Filter care and accessories
Follow Sinister Diesel’s instructions for cleaning and servicing the reusable filter. Contact us to confirm compatible pre-filter availability; a pre-filter is not listed among the supplied components.
Part number: SD-CAI-7.3