BMW Agency Performance Stainless Steel Valved Cat-back Exhaust - G42 M240i

Unleash the full potential of your BMW G42 M240i (B58) with the Agency Performance Stainless Steel Valved Cat-Back Exhaust. Engineered to deliver the perfect balance of performance, sound, and everyday comfort, this exhaust system transforms your driving experience with valve-controlled sound management and a dramatic improvement in exhaust flow.

Crafted from premium T304 stainless steel, this cat-back features smooth mandrel bends, CNC-machined flanges, and precision TIG welds for exceptional strength and long-lasting durability. With the touch of a button, the integrated valve system allows you to switch between a refined, drone-free cruising mode and an aggressive, free-flowing exhaust note that lets the B58’s turbocharged inline-six sing.

Key Features:

• Valved system – quiet and refined with valves closed, aggressive and raw with valves open

• T304 stainless steel construction – strong, corrosion-resistant, and built to last

• Improved exhaust flow – reduces backpressure for sharper throttle response and turbo spool

• Polished quad tips – bold styling with an OEM+ look

• Direct bolt-on fitment – designed specifically for the BMW G42 M240i (B58)

Whether daily commuting or carving backroads, the Agency Performance Valved Cat-Back Exhaust gives your M240i the flexibility to sound and perform exactly the way you want—when you want it.

⚠️ For off-road / motorsport use in certain regions. Check local noise and emissions regulations before installation.