340i/ix F30/F31/F34 3.0 B58

Upgrade your BMW 340i or 340ix F30, F31, or F34 with Brondex high-performance exhaust upgrades, engineered specifically for the 3.0 B58 turbocharged inline-six engine. Our precision high-flow downpipes and sports catalytic converters optimize exhaust flow, reduce back pressure, and enhance turbo efficiency - delivering faster turbo spool, increased horsepower, stronger mid-range torque, and a deeper, more aggressive exhaust note.