Every Dinan product comes with our industry-exclusive factory matching new car bumper to bumper warranty and is designed and tested in Morgan Hill, California and can be purchased and installed at any Dinan Approved BMW dealership nationwide.

Features

More Power: +5 HP

Drone abatement technologies used to reduce cabin resonance

Enjoyably louder, sporter sound

Quad 3.5" black ceramic coated, or polished stainless, laser engraved exhaust tips

Computer controlled valve limits noise during low speed driving; valve opens fully during high-load conditions to allow free flow

Stock exhaust valve actuaters are reused

Operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-Drive settings. 

Dinan exhaust is 3 lbs lighter than stock

Twin secondary exhaust valves with a whopping 76mm diameter, making them 45% less restrictive than the OE valves.

100% 304 stainless steel construction

Uses the factory brackets and hangers for a factory-like fitment