Davico 17665 Catalytic Converter - Front

Direct-Fit Catalytic Converter

The Davico Direct-Fit Catalytic Converter is built from original equipment sample parts to match fit and function on the vehicle. It uses an emissions-reducing catalyst for OBDII applications and includes the gasket specification listed for the assembly.

Key Features

• Direct-fit design based on OE sample parts for accurate installation geometry.
• Emissions-reducing catalyst formulated for OBDII vehicle requirements.
• 4-bolt fixed flange inlet and 2-bolt fixed flange outlet.
• Two O2 sensor locations listed for the assembly.
• 15.5-inch overall length with boxed packaging.

Detailed Description

Davico part number 17665 is a direct-fit catalytic converter for Subaru WRX and Subaru Forester applications. The OE-based design helps maintain proper fit and function, while the catalyst construction addresses emissions control needs for OBDII-equipped vehicles. This part number 17665 is listed with a 4-bolt fixed flange inlet, 2-bolt fixed flange outlet, and two oxygen sensor provisions. It fits 2015-2021 Subaru WRX, front, and 2014-2018 Subaru Forester, front. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Uses

• Replacing a restricted or failed catalytic converter.
• Restoring emissions system function after catalyst deterioration.
• Addressing exhaust leaks at the flange connections.
• Correcting OBDII emissions-related fault conditions tied to converter performance.

Installation Notes

Fits 2015-2021 Subaru WRX, front, and 2014-2018 Subaru Forester, front. Verify flange style, oxygen sensor count, and emissions configuration before installation. This converter is listed as illegal for installation in New York on vehicles equipped with California emission systems. Use the vehicle’s existing mounting points and confirm all exhaust connections seal properly.

Quality Assurance

Davico designs Exact-Fit Catalytic Converters from original equipment sample parts to support proper fit and function. The converter uses a high-quality emissions-reducing catalyst intended for current OBDII vehicle demands.