4.5" Catless Downpipe Exhaust for 2016+ BMW B58 F/G Series 3.0L F30 F34 M140i M240i 340i 440i 540i 740i

Features

• Constructed from high-quality hand-fabricated 4.5” 304 stainless steel
• Precision TIG-welded construction for long-lasting durability and strength
• Compatible with both right-hand drive and left-hand drive vehicles without modification
• Mandrel-bent tubing with smooth-radius curves to promote better exhaust flow and reduce restriction
• Designed to support power gains of approximately 25–30 horsepower with proper tuning
• Helps improve engine performance, throttle response, and overall efficiency
• Free-flowing large-diameter piping for increased exhaust flow and enhanced sound
• Built for high-performance street and motorsport applications
• Reinforced TIG-welded joints help minimize cracking and wear over time
• CNC-machined flanges provide improved strength and precise fitment
• Corrosion-resistant finish for long-term reliability and appearance

Vehicle Compatibility

• 2016+ BMW M140i (F20)
• 2016+ BMW M240i / M240i xDrive (F22)
• 2016+ BMW 340i / 340i xDrive (F30 / F31 / G20)
• 2016+ BMW 440i / 440i xDrive (F32 / F33 / F36 / G22 / G23 / G26)
• 2016+ BMW 540i / 540i xDrive (G30 / G31)
• 2016+ BMW 740i / 740i xDrive (G11 / G12)
• 2018+ BMW X3 M40i (G01)
• 2019+ BMW X4 M40i (G02)

California Proposition 65 Warning

⚠️ This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.