MILLTEK SSXBM1414 Secondary Catalyst Bypass, 3.15” for BMW M5 (G90 / G99)

Description

DescriptionMILLTEK SSXBM1414 Secondary Catalyst Bypass, 3.15” for BMW M5 (G90 / G99)

The Milltek Secondary Catalyst Bypass is designed to replace the factory secondary catalytic converters, allowing for improved exhaust flow and a deeper, sportier sound. Made from high-grade 304L stainless steel, it ensures maximum durability and heat resistance. This upgrade reduces back pressure, enhancing throttle response and engine performance. Intended for off-road or track use only, as it removes emission control components.

Specifications

• Pipe diameter (inches): 3.15
• Feature 1: Fits to OE Downpipes & Milltek Sport Axle Back System Only
• Feature 2:OE requires cutting