Milltek BMW B48 F20 F21 125i Non-Valved Rear Silencer Bypass
Turn up the character of your BMW 1 Series with the Milltek BMW 125i rear silencer delete. This non-valved rear silencer bypass is the go-to exhaust upgrade for drivers who want a louder, deeper and more aggressive exhaust note on the B48-powered F20 F21 125i. Made in the UK from premium 304L aircraft grade stainless steel, this direct-fit rear section is built to last and engineered for a precise fit and impressive sound.
We have fitted and run this setup ourselves at Nforcd, and customer feedback has been excellent. Expect a sharper, sportier tone with more burble and presence, without the complexity of valves. If you are searching for a BMW 125i exhaust upgrade, BMW F20 exhaust, F21 125i rear muffler delete, rear silencer delete, non-valved exhaust or Milltek Sport 125i exhaust, this is exactly what you are looking for.
Why choose this Milltek rear silencer bypass
- Non-valved rear silencer bypass for maximum sound and reduced restriction
- Made from 304L aircraft grade stainless steel for durability and corrosion resistance
- Direct replacement for the original rear section for straightforward bolt-on fitment
- Designed to enhance exhaust volume and add a more suitably aggressive tone
- UK manufactured by Milltek with a two year warranty
- Available in Cerakote Black or Polished finish to suit your style
Compatibility
BMW 1 Series F20 F21 125i B48 2012+
Part numbers and finishes
- SSXBM1131 - Cerakote Black
- SSXBM1132 - Polished
Built to perform and last
Milltek designs and develops performance exhaust solutions in the UK, using high quality T304L stainless steel and proven manufacturing processes. This rear silencer delete is engineered as a direct replacement section that integrates cleanly with the vehicle, delivering the sound upgrade enthusiasts want while maintaining fitment quality.
Fitting and support
Want it fitted professionally. Nforcd offers installation at our Warwickshire facility. Request a fitting quote at Sales@nforcd.com.
Warranty
Milltek two year warranty.
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