2006-2013 BMW E90 E91 323 325 328 330 Slip-On N51/N52 Exhaust Tips - Burned Blue (Pair) alfa-romeo-stelvio-2017--esr3920511 It installs between your car’s

It installs between your car’s sensors and ECU and improves performance by controlling boost and related parameters through these connections

5" in diameter and 1

Fuel economy during normal driving is unchanged and it's compatible with all driving modes including towing

map switching and adjustment Support is also provided for the IS38 turbo upgrade providing for outputs past the 400hp level

2006-2013 BMW E90 E91 323 325 328 330 Slip-On N51/N52 Exhaust Tips - Burned Blue (Pair) alfa-romeo-stelvio-2017--esr3920511 It installs between your car’sThe BMS E chassis slip on exhaust tips are the perfect choice for dressing up your factory exhaust outlets. Made from stainless steel these tips are sure to turn heads. Specially equipped with factory like pressure clips making them go on easily and stay in place just like the factory tips. No ugly screws or clamps for a factory appearance. Sold in Pairs. Not for use with M Performance exhaust systems. Does not fit any F chassis vehicles or other E