Reejim 4x8 High-Flow Catalytic Converter — 200-Cell Metallic Substrate, 2.5 In/Out, EPA Compliant

Meet the Reejim 4x8 High-Flow Catalytic Converter, engineered to withstand heat, vibration, and tight spaces. The compact spun stainless steel outer casing measures 4.00 inches in diameter and 8.00 inches in length, creating a practical footprint for crowded engine bays while delivering durable performance. Its 2.5-inch inlet and outlet streamline compatibility with a wide range of exhaust layouts.

Inside, a high-flow 200-cell metallic substrate is designed for severe-duty applications, aiming to optimize exhaust flow and support smoother engine response in compatible configurations. The design emphasizes resilience under demanding conditions, helping maintain consistent operation across varied driving scenarios.

This unit is Federal US EPA compliant, making it a reliable choice for most states. Note: Not legal for sale or use in California or states with California emission standards. For installers and shop teams, the 2.5-inch inlet/outlet helps simplify pairing with existing exhaust systems, while the welding-friendly construction supports secure, permanent installations when properly executed.

Key benefits at a glance

• Compact and durable design suitable for tight spaces without compromising robustness.
• High-flow 200-cell metallic substrate geared toward efficient exhaust flow in demanding applications.
• Federal EPA compliant, compatible with most jurisdictions that follow federal standards.
• Universal 2.5-inch inlet/outlet for flexible vehicle compatibility and upgrade options.
• Welding installation friendly, enabling a secure, permanent fit for DIY enthusiasts and professional shops.

Practical use considerations

• Compact footprint helps with installations in tight engine bays and limited space scenarios.
• Durable construction supports long-term performance in harsh thermal environments.
• Versatile fit supports a range of vehicles and engine sizes up to 5.7L with appropriate matching components.
• EPA compliance provides clarity on applicable jurisdictions while keeping installation options open.