Supersprint’s ‘Lightweight Racing’ or LWR Back-Box is considered by many to be the ultimate exhaust for the E46 M3. Perfect for everything from stock to heavily tuned M3s, without excessive noise meaning that it can be comfortable used on most UK tracks. A full list of outstanding features make this exhaust a must, for all of the  hardcore M3 owners.

– Straight-through inner core silencer design for minimal restriction

– Real race sound.

-Lightweight, yet extremely durable build.

– Precision manufacturing, perfect fit and finish.

– Great looks, the quad tail pipes are placed to accommodate both original and CSL diffusers.

This is the performance exhaust that has become a classic among the E46 M3 community, worldwide. It is still available in its original design, crafted by the very same team who designed, developed and built it from the beginning.

Hand-made in Italy from premium T304 Stainless Steel. Lead time 2-8 weeks.