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this spoiler is lightweight
The inner is easily swapped and held on by a zip tie (even the stock one on your car is now
and there is an incredible sound improvement
This muffler delete is one of the most cost effective exhaust modifications available for your N55
MAD BMW F & G Chassis B46 Catted Downpipe (220 230 320 330 420 430 730) F80 m3 single midpipe this spoiler is lightweightUpgrade from the stock B46 downpipe to the MAD B46 catted downpipe for maximum airflow, power, and sound. The MAD BMW B46 catted downpipe is the perfect upgrade for getting more performance and a cleaner exhaust tone while keeping your setup street friendly. The built in high flow catalytic converter reduces restriction compared to the factory cat, allowing your turbo to spool quicker and push more power. At the same time, it helps maintain
