Equal Length Catback Exhaust S55 f80/f82

Unlock the true sound character of your BMW with the Equal Length Catback Exhaust System for the S55 engine, engineered specifically for the F80 M3 and F82 M4. This system transforms the factory exhaust note by balancing exhaust pulses from both banks, delivering a smoother, more refined, and exotic tone.

The equal length design significantly reduces the rasp commonly associated with the S55 platform, producing a cleaner and higher-pitched exhaust note under acceleration. The result is a more motorsport-inspired sound profile, while maintaining a controlled and comfortable tone during daily driving.

As a full catback system, this setup replaces the exhaust from the midpipe back, optimising flow, sound clarity, and overall driving engagement. Manufactured from high-quality materials for durability and heat resistance, it integrates seamlessly with factory mounting points for a precise OEM-style fit.

• Equal length catback exhaust design
• Reduces rasp and harsh frequencies
• Smoother, higher-pitched and refined tone
• Improved exhaust flow and sound dynamics
• High-quality, heat-resistant construction
• OEM-style fit and seamless integration

Kavoni Design Quality
At Kavoni Design, we select performance upgrades that combine engineering precision with driving emotion. This equal length catback exhaust delivers a refined yet aggressive sound transformation, perfectly suited to the BMW F80 M3 and F82 M4 platform.

• Worldwide shipping: 6–8 business days