F30 335i Stainless Steel Catless Downpipe

New for 2012! Challenge has designed their new F30 335i stainless steel catless downpipe. Each downpipe is made from 3inch mandrel bent stainless steel tubing, custom machined 304 stainless flanges and formed mount brackets ensure a factory fit and long lasting performance. Some models may require an ECU tune or flash. Off road or racing use only. Challenge exhaust parts are deisgned, engineered and manufactured in the USA.


  • – Made in the USA
  • – Full stainless steel construction
  • – Laser cut and formed mounting brackets
  • – 3 in Piping
  • – OEM compatible V band flanges
  • – Full bolt on installation

MSRP: $495.00 USD