Lexus IS300 01–05 Exhaust Manifold – 3.0L 2JZ-GE Replacement

This exhaust manifold is designed specifically for the vehicle model listed in the product name. In this case, it is intended for the Lexus IS300 (2001–2005) equipped with the 3.0L 2JZ-GE engine.

Manufactured by TurboWorks, this exhaust manifold is made from high-quality 304 stainless steel (304SS), offering improved durability and resistance to heat compared to aging factory manifolds.

Why the Exhaust Manifold Matters When Tuning

When tuning or refreshing an engine, the exhaust manifold should be replaced at an early stage. Exhaust gases leaving the cylinder are routed directly into the exhaust manifold, which is an integral part of the engine system.

From the manifold, exhaust gases flow into the first section of the exhaust system, then through the silencer (or multiple silencers connected in series), and finally exit through the tailpipe. Any restriction, crack, or leak at the manifold level affects the entire exhaust system.

Replacing the exhaust manifold ensures proper exhaust gas flow, restores sealing integrity, and helps maintain consistent engine operation.

Technical Specifications

• Brand: TurboWorks
• Material: 304 Stainless Steel (304SS)
• Vehicle compatibility: Model specified in product name
• Engine: 3.0L 2JZ-GE
• Exhaust port (window) diameter: 42 mm
• Exhaust outlet diameter: 54 mm

Lambda Sensor & Emissions Notes

For vehicles where exhaust or catalyst-related fault codes may occur, we also offer lambda probe adapters in our product range. These adapters can help eliminate catalyst error messages when modifying or replacing exhaust components.

Optional Accessories Available

Additional accessories compatible with exhaust manifolds are also available: