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Wagner BMW N20 Catless Downpipe (220i, 228i, 320i, 328i, 420i & 428i)


  • £349.99
    exc. VAT £291.66


High quality stainless steel  1.4301 (SS304)
CAD-Designed without main catalyst*
2 Lambda probe connections
100% perfect fit, replacing OEM
Less thermal load on the turbocharger
Significantly more torque and power from reduced back pressure
Connection diameter 105mm
Exhaust diameter 76mm


Replacement for OEM BMW Part# 18327645666 from year of construction 10/2012+


*Off-road use only unless catalyst fitted in exhaust mid-section.
Removal of all catalytic converters will almost invariably make your vehicle illegal for use on a public road.
ECU will need to be coded to avoid engine management light errors.


Compatibility Check

To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout. 



This Wagner Tuning BMW F-Series N20 Catless Downpipe Kit is suitable for the following vehicles.

BMW 125i F20 / F21
BMW 220i F22 / F23
BMW 228i F22 / F23
BMW 320i (x) F30 / F31 / F34
BMW 328i (x) F30 / F31 / F34
BMW 420i F32 / F33
BMW 428i (x) F32 / F33


Free Next Day Delivery

FREE UK next day delivery if ordered before 11am! We can also ship worldwide, simply enter your full address during checkout including the correct postal code for a shipping quote.



ML Performance Lifetime Warranty


Manufactured by



Part Number




54 x 16 x 22.5 cm



3.05 Kg