SPEED LOGIC BMW N20 Engine 4" Stainless Steel Race Catless Downpipe (2012–2017 BMW 228i, 228xi, 320i, 328i, 428i, 428xi) F22/F30/F31/F32/F33/F36

  • Sale
  • $229.00
  • Regular price $329.00

*FREE SHIPPING for ALL Speed Logic Products on orders over $100 for a Limited Time!*

Speed Logic Downpipes are one of the best price to performance modifications you can do for the N20 engine. These downpipes remove all restrictions caused by the OEM downpipe and allow the turbos to spool faster, giving you more power. Additionally, this downpipe gives you a deeper and louder sounding exhaust note. Power increase ranges from 20 to 25 horsepower depending on your tuning, other modifications, and fueling.

LIFETIME warranty is included with all Speed Logic Downpipes. 


  • Adds 20-25+ Horsepower (HP) and 25-30+ Torque (TQ) with adequate Tuning
  • Removes restrictions within Factory exhaust system
  • Provides Intoxicating Turbo sounds and deeper Exhaust note
  • Full Stainless Steel 304 Materials
  • 100% TIG welded
  • All welds fully Backpurged with 100% Argon
  • No welds are grinded or polished - we take pride in our welds!
  • Includes Speed Logic LIFETIME warranty


  • 2012-2015 F30 BMW 320i, 320xi
  • 2012-2015 F30 BMW 328i, 328xi
  • 2013-2016 F32/F33/F36 BMW 428i, 428xi
  • 2013- 2017 F22 BMW 228i, 228xi

TUNING: We recommend using one of the following Tuning suites as adequate tuning options to accompany this product:

  • ProTuningFreaks bootmod3 for N20 Engines


*NOTE: Speed Logic Downpipes are for OFFROAD USE ONLY and not available for sale in California and other states with emissions testing.