MAD B58 4.5" Catted Downpipe W/ Bracket BMW F, G Chassis & Supra and carbon build-up

and carbon build-up

BMW Z4 (B58 3

and that is where PWR shines

we've added a turbo inlet which has a 3

The catalytic converters are engineered to deliver maximum flow and minimal back pressure

MAD B58 4.5" Catted Downpipe W/ Bracket BMW F, G Chassis & Supra and carbon build-upIntroducing the Mad Catted B58 Downpipe, the perfect upgrade for BMW enthusiasts looking to enhance their vehicle's performance and exhaust sound. Crafted from premium quality 304 stainless steel, this downpipe is built to withstand extreme temperatures and harsh driving conditions. The smooth transition of our piping design ensures maximum exhaust flow, which results in increased horsepower, torque, and throttle response. The Mad Catted B58 Downpipe