Black Market Racing 3.5" downpipe back exhaust for the E82 N54 or N54 BMW 135I. Highest flowing exhaust on the market! The quality, fit and finish of this system is truly amazing and will bring a smile to your face as soon as you open the box! This system is made from top quality T304 3.5" diameter stainless steel, features a mid mounted muffler and was designed, built and tested here in the USA. This will fit both the twin turbo or single turbo 135 applications. X-Brace spacers addtional if desired.
**Please note, this exhaust has been updated and now features additional rear differental clearance so no polyurethane hanger is require or included and it is all now all slip fit connections which offers additional ground clearance for lowered vehicles.