BMW Agency Performance Valved Stainless Steel Cat-back Exhaust - F80 M3 / F82/83 M4

Bring the legendary S55 twin-turbo inline-six to life with the Agency Performance Valved Stainless Steel Cat-back Exhaust. Designed specifically for the F80 M3 and F82/83 M4, this system blends performance, sound, and drivability in one premium package.

Constructed from high-grade T304 stainless steel, this exhaust offers long-lasting durability and precision fitment. The valved system lets you control your sound—refined and subdued with the valves closed, or aggressive and raw with the valves open, delivering sharp crackles and turbo spool for an exhilarating driving experience.

Engineered for enthusiasts, the system enhances exhaust flow for improved throttle response, weight savings over the stock setup, and an exotic exhaust note that elevates every drive—whether on the street or the track.

✅ Valved system – switch between stealthy and aggressive tones
✅ T304 stainless steel – durable, corrosion-resistant, and lightweight
✅ Bolt-on fitment – no cutting or welding required
✅ Enhanced sound – deep, exotic note with valves open
✅ Pairs perfectly with OEM or aftermarket downpipes

Fitment:

• BMW F80 M3 (2015–2018)

• BMW F82 M4 (2015–2020)

• BMW F83 M4 Convertible (2015–2020)