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" generated by the engine
Moving the cats downstream and after the x pipe keeps that familiar high pitched F1 scream but allows for less overall volume and smell reduction
you’re purchasing from a cooling system manufacturer that is an ISO-certified Tier-1 OEM supplier that has designed
and there is an incredible sound improvement
MAD BMW F & G Chassis B46 Catted Downpipe (220 230 320 330 420 430 730) F80 m3 single midpipe " generated by the engineUpgrade 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
US$ 3547.50
US$ 29.00
US$ 52.00
US$ 3947.50
