Supersprint’s ‘Stradale’ Back-Box is an exhaust designed to offer maximum flow while suiting a road car needing comfort and a subtle increase in volume. Perfect for everything from stock to heavily tuned M3s for the road. 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.