Diamond Eye 165041 Exhaust Downpipe 2008-2010 Ford 6.4L Powerstroke F250 F350

The Diamond Eye Manufacturing 165041 is a performance exhaust component engineered specifically for the 2008–2010 Ford F-250 and F-350 Super Duty trucks equipped with the 6.4L Powerstroke diesel engine. Designed as a direct-fit replacement or upgrade over the restrictive factory exhaust, this pipe is built to reduce backpressure and support improved exhaust flow for diesel performance applications.

Diamond Eye Manufacturing produces their exhaust components using CNC mandrel bending technology, which ensures consistent bend radii without tube crimping or wall thinning — preserving full interior diameter throughout the pipe's length for maximum flow efficiency. Components are available in both aluminized steel and stainless steel construction.

Key Features:

• Designed for 2008–2010 Ford F-250/F-350 with 6.4L Powerstroke diesel (all cab and bed lengths)
• CNC mandrel-bent construction for smooth, unrestricted exhaust flow
• Reduces exhaust backpressure compared to restrictive OEM components
• Direct-fit design for straightforward installation
• Supports enhanced diesel performance and exhaust tone
• Built to Diamond Eye's precision fabrication standards

Diamond Eye Manufacturing has built a strong reputation in the diesel performance aftermarket for quality exhaust systems and components. Their products are fabricated at their Oregon facility using advanced tooling capable of processing tubing from 3/8" to 5" OD, ensuring precise fitment and durable construction across their full product lineup.