Fabspeed 2000-2006 BMW E46 M3 Cat Bypass with Resonators. - FS.BMW.E46.CB
Straight-through exhaust section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound. For track/off-road use only.
SOUND:
These straight pipes will make your M3 much louder, however the resonators make sure that the exhaust note isn't too raspy.
FEATURES: