Skip to product information
1 of 2


ApexBuilt Catless Race Downpipe || B58 (F-Gen)

ApexBuilt Catless Race Downpipe || B58 (F-Gen)

Regular price $689.99 USD
Regular price Sale price $689.99 USD
Sale Sold out
Shipping calculated at checkout.
Heat Shield?
  • Industry-leading build quality.
  • Perfect fitment, guaranteed.
  • Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note.
  • Estimated gains of 25-30 wheel horsepower and 30-40+ TQ when installed on a vehicle that is not tuned.
  • Estimated gains of 45+ HP and 60+ TQ over stock power levels when paired with an aftermarket ECU tune.
  • TIG-welding T304 stainless steel construction, assembled by hand in Naples FL.
  • Lifetime warranty.


  • 2016-2018 M240i
  • 2016-2018 340i
  • 2016-2019 440i


View full details