Remember, this applies to an '03 X5 4.6is. My goal was to have a throatier exhaust and retain my stock tips. No other modification was more .
Simple Cheap Exhaust mod X5 F15 (2014 – Current)
BMW: X5 E70 (2007-2013). Many states are more stringent on exhaust modification laws and to pass SMOG. They will inform you on how to proceed based on .
XBimmers.com BMW X6 Forum X5 Forum > BMW X5 Forums > General. Sound of the exhaust very happy, I had the eisenmann race and honestly I. . other axel back exhaust system sounding any different than this mod.