Supersprint’s ‘Sport’ Back-Box is an exhaust designed to offer maximum flow while suiting a fast road or track car needing some degree of comfort. Perfect for everything from stock to heavily tuned M3s for the road and track. Quad 80mm exhaust tips fit perfectly with both original and CSL-style diffusers.

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