BMW 428i Performance Exhaust - Dinan - Free Flow Axle-Back - Black - 2012-2016. A precision-engineered axle-back system that improves flow and adds a refined, sporty soundtrack to your 428i.

Developed by Dinan to cut back pressure and cabin drone, this Free Flow Axle-Back uses 100% 16-gauge 304 stainless steel with twin 70 mm ceramic black, laser-engraved tips. Civil at cruise and assertive under throttle, it bolts on using factory brackets and hangers with included hardware. Designed for efficiency, it removes the factory computer-controlled exhaust valve and delivers measured gains up to +4 hp and +3 lb-ft at 6600 rpm. Fits 2012-2016 BMW 428i (F32/F33).

Features

• 16-gauge 304 stainless steel construction
• Twin 70 mm ceramic black, laser-engraved tips
• Drone abatement to reduce cabin resonance
• Bolt-on install; uses factory brackets and hangers
• Gains up to +4 hp and +3 lb-ft at 6600 rpm
• Axle-back design; deletes factory exhaust valve

Questions or need guidance? Call our experts. We offer professional installation and customization at our Austin, Texas and Los Angeles, California area locations. Texas: 512-982-9393. California: 562-981-6800.

Purchasing multiple items? Contact us for potential shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov