Dinan Free Flow Axle-Back Exhaust for 2012-2016 BMW M5 (F10) | D660-0044-BLK

The Dinan Free Flow Axle-Back Exhaust (D660-0044-BLK) is a premium, performance-engineered system for the 2012-2016 BMW M5 (F10), designed and tested in Morgan Hill, California. Dyno-tuned for maximum exhaust flow with minimum backpressure, this system provides a measured power increase of +8HP and delivers a more aggressive, throatier, and deep sound under acceleration. Dinan's exclusive Helmholtz Chamber and Butterfly Valve technologies are integrated to specifically eliminate drone inside the vehicle, ensuring a refined cabin experience. Constructed from 100% 304 stainless steel, this system is built to exact specifications for a perfect, factory-like fitment.

Features:

• Verifiable Power Gains: Delivers a measured increase of +8HP.

• Advanced Drone Abatement: Incorporates both Helmholtz Chamber and Butterfly Valve technologies to effectively remove unwanted drone and cabin resonance.

• Flow Optimized Design: Features a "straight through" canister design for maximum exhaust flow and minimum backpressure.

• Superior Material: Constructed from 100% 304 stainless steel to ensure long-term durability and corrosion resistance.

• Aesthetic Excellence: Finishes with quad 3.5" black ceramic coated and laser-engraved exhaust tips (polished stainless tips also available) for a high-performance look.

• Fitment Integrity: Designed to use the factory brackets and hangers for a guaranteed, factory-like fitment.

Product Contains:

• (1) Dinan Axle-Back Muffler Assembly

• (4) Quad 3.5" Black Ceramic Coated Exhaust Tips

• (1) Complete Installation Hardware Kit

Warranty This product comes with Dinan's industry-exclusive factory matching new car bumper to bumper warranty. It is designed and tested in Morgan Hill, California, and can be purchased and installed at any Dinan Approved BMW dealership nationwide. Note: Manufacturer warranty terms are subject to change.

Installation Instructions