Milltek Muffler Replacement BMW 1 Series F20-F21 120i - 125i 2016-2019 - Rear Muffler Bypass - Jet-90 Carbon Outlets

Milltek Sport replacement muffler pipe for BMW 1 Series F20-F21

This Milltek Sport replacement muffler pipe for BMW 1 Series F20-F21 replaces an original muffler or section to change the exhaust sound without modifying the entire system.

Technical specifications

• Milltek part number: SSXBM1137
• Part type: Replacement muffler pipe
• Configuration: valveless
• Detail: Rear muffler bypass - Jet-90 carbon tips
• Pipe diameter: 70 mm (2.75 inches)
• Outlets: 2 Jet 90 mm outlets
• Tip finish: carbon
• Fitting information: M135i diffuser - valveless
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (UK)

Compatible vehicles

• BMW 1 Series F20-F21 120i - 125i 2.0T (B48 engine) 184-224 hp (2016-2019)

Not sure about compatibility with your vehicle? Contact us with your VIN before ordering.

Frequently asked questions

• Valveless: the exhaust stays loud at all times. On a vehicle fitted with OEM exhaust valves, a valve delete module may be required to avoid a warning light (see fitting information).

Why choose Milltek Sport?

A European tuning reference, Milltek Sport develops each system directly on the vehicle. Mandrel bends, clean welds and aerospace-grade stainless steel ensure a system that lasts and sounds right.

Learn more

• Valved exhaust: how it works and should you keep the valves?