MagnaFlow 452843 CARB-Compliant Manifold Catalytic Converter for 2001-05 Lexus

Vehicle Fitment

• 2001-2005 Lexus IS300 (3.0L I6)
• 2000-2005 Lexus GS300 (3.0L I6)

Features

• CARB-compliant manifold catalytic converter - legal for sale/use in California & other CARB states
• High-quality stainless steel spun-body construction for maximum corrosion resistance
• Direct-fit design with flanged inlet/outlet - no welding or cutting required
• Manufactured via 3D-scanned OEM geometry for precise fitment and leak reduction
• Integrated manifold style design replaces factory manifold-converter assembly for smoother flow
• Includes required gaskets at inlet and outlet to ensure proper seal
• Optimized ceramic substrate for efficient conversion of exhaust emissions
• Backed by manufacturer quality and mounting hardware support

Specifications

• Material: Stainless steel body with ceramic substrate
• Overall length: approx 33.75 inches
• Body type: Spun manifold-converter assembly
• Inlet: 3-flange port; Outlet: flanged connection
• Number of sensor ports: 3 (for O2 sensors)
• Certification: CARB Executive Orders D-193-116 / D-193-122 / D-193-124
• Finish: Natural stainless steel

Included Components

• 1x Manifold catalytic converter assembly
• 2x Inlet gaskets (flange)
• 2x Outlet gaskets (flat ring)

Product Description

The MagnaFlow 452843 CARB-Compliant Manifold Catalytic Converter is engineered specifically for the Lexus IS300 (2001-2005) and GS300 (2000-2005) equipped with the 3.0 L straight-six engine. This unit replaces the factory manifold and converter assembly with a premium stainless steel, spun-body component designed to maintain OEM geometry and optimize exhaust flow while meeting California Air Resources Board (CARB) emissions standards.

Manufactured with advanced 3D scanning and CNC robotic production, the 452843 ensures a precision fit that aligns with factory mounting points, sensor ports, and exhaust routing. The direct-bolt, flanged design allows for a straightforward installation - no cutting, bending or welding required. The certified CARB status makes it legal for sale and use in California and other states requiring CARB certification.

Ideal for Lexus owners encountering exhaust manifold or converter failure, this converter offers a high-quality replacement that retains emissions compliance and factory fit/unity. **Fitment confirmed through 2005 for the listed models and engine.** Other engines, trims, or years beyond this range are unconfirmed at time of listing.