MAD B58 4.5" Catted Downpipe W/ Bracket BMW F, G Chassis & Supra F80 Any Ordering your MAD BMW 5"

Ordering your MAD BMW 5" intercooler is hassle-free

hassle-free installation

a unique upgrade for your F30 BMW 3 series that you will not find at your local BMW dealership

The facelift applies to 2008+ E90 3 series and if you are unsure

MAD B58 4.5" Catted Downpipe W/ Bracket BMW F, G Chassis & Supra F80 Any Ordering your MAD BMW 5"Upgrade your stock B58 downpipe to the MAD B58 4. 5" Catted Downpipe and unleash the full potential of your BMW F, G Chassis, or Toyota Supra. Designed to maximize airflow, power, and sound, this downpipe is the perfect performance upgrade for your vehicle. By replacing your stock catalytic converters with the MAD B58 catted downpipe, you'll eliminate the backpressure that restricts your turbo's performance. This means faster spooling and the ability