Technical Specifications
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Application: BMW X3 M40i (G01) & BMW X4 M40i (G02)
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Engine: B58 3.0L Turbocharged Inline-Six
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Core Diameter: 4.5 Inches (114mm)
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Catalyst Option: 200-Cell High-Flow Metallic Catalyst (GESI-type) | Catless Version Available
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Material: T304 Austenitic Stainless Steel
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Flanges: Precision CNC-cut, utilizes factory-style V-band connections where applicable
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Finish: Polished or brushed (as per configuration)
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O2 Sensor Ports: Includes pre-and post-cat bungs for factory oxygen sensors (plug included for post-cat if tuning out CEL).




