Supersprint Front Pipes With Metallic Catalytic Converters - BMW 1 Series E82 1M 5 Series (F10 / F11) and requires no modification to

and requires no modification to the car to install

The end result is a 535d which is significantly faster to accelerate and smoother to drive while at the same time returning 10-15% improved fuel economy

low dusting and noise along with low wear rate

550 rpm when tested on the Akrapovič dyno against a BMW X5M with a stock M Sport exhaust system for comparison

the unique external sound is higher in pitch

Supersprint Front Pipes With Metallic Catalytic Converters - BMW 1 Series E82 1M 5 Series (F10 / F11) and requires no modification toNOT ROAD LEGAL Front exhaust with Metallic catalytic converters 200 CPSI Right + Left To be installed as a kit with 985903 or 985913 and 985906 or Rear exhaust "Racing" Threaded bung for oxygen sensor provided