Dorman 674-5017 Exhaust Pipe Turbocharger Outlet Down Pipe

The Dorman 674-5017 is a heavy-duty exhaust pipe turbocharger outlet, also known as a turbocharger down pipe, designed as a direct OE replacement for select Mack and Volvo commercial truck applications. This component channels exhaust gases from the turbocharger outlet to the downstream exhaust system, making a reliable seal and flow path critical for proper engine and turbocharger performance.

Key Features:

• Direct OE Replacement: Engineered to match the fit and function of the original equipment down pipe for a straightforward, confidence-inspiring repair
• 409 Stainless Steel Construction: Built from durable 409 stainless steel for excellent heat and corrosion resistance in demanding heavy-duty environments
• Flexible Design: Features a flexible section to accommodate engine movement and thermal expansion, reducing stress on surrounding exhaust components
• Salt Spray Corrosion Tested: Has undergone vehicle try-on and salt spray corrosion testing to validate fit quality and long service life
• Wall Thickness: 0.11 in. for robust, leak-free performance
• Cost-Effective Solution: Delivers OE-level quality at a competitive aftermarket price point

What's Included:

• 1x Turbocharger Down Pipe
• 2x Clamps

OEM Cross Reference: Replaces Volvo/Mack OEM part number 21478681 and Automann 562.U628681K.