Dinan Freeflow Axleback Exhaust System | BMW 135is (13) (D660-0025-BLK)

The Dinan 13-13 BMW 135is Freeflow Axleback Exhaust System is a high-performance exhaust upgrade designed for the BMW 135i Coupe and Convertible models. Crafted from 100% stainless steel, this system enhances exhaust flow by reducing back pressure, which results in increased power output and an improved sporty sound. It delivers a balanced acoustic experience, being civilized during normal driving and pleasantly aggressive under hard acceleration. The design features precise specifications to ensure a perfect fit using the factory hangers, while also reducing overall weight. The system is finished with either polished stainless steel or ceramic black tips, providing a tasteful, high-performance aesthetic.

This axleback exhaust system is compatible with 2011–2013 BMW 135i models equipped with the N55 engine. It is a direct bolt-on replacement that enhances both performance and sound without requiring extensive modifications. Suitable for street and spirited driving, it offers a durable, corrosion-resistant construction that ensures long-lasting performance. The kit includes the necessary components for installation, providing a straightforward upgrade for enthusiasts seeking increased power and a refined, aggressive exhaust note.