Diamond Eye Manufacturing 420030 Exhaust Adapter 3.5in ID to 5in OD Aluminum

The Diamond Eye Manufacturing 420030 is a precision-engineered exhaust adapter designed to connect 3.5-inch inner diameter exhaust components to 5-inch outer diameter piping. Constructed from lightweight yet durable aluminized steel, this adapter provides a reliable transition between different diameter exhaust sections in custom diesel and gas exhaust systems.

Key Features:

• 3.5-inch inner diameter (ID) inlet for secure connection
• 5-inch outer diameter (OD) outlet for expanded exhaust flow
• Aluminized steel construction for corrosion resistance and longevity
• Precision-manufactured for accurate fitment and leak-free sealing
• Ideal for custom exhaust fabrication and modifications
• Compatible with clamp-on or weld-on installation methods

Diamond Eye Performance manufactures all exhaust components in-house at their facility in Athena, Oregon, using CNC mandrel bending equipment to ensure consistent quality and proper flow characteristics. This adapter is perfect for diesel truck enthusiasts and professional exhaust builders looking to create custom exhaust systems or upgrade to larger diameter piping for improved performance and reduced exhaust gas temperatures.