BMW M3 Performance Exhaust - Dinan Freeflow Axleback (Polished) for 2008–2011 models. This axle-back delivers a richer, sportier note under throttle while staying civilized during daily cruising.

Built with Dinan’s performance-without-sacrifice mindset, the system uses 100% 304 stainless steel and a single-channel, straight-through canister to improve flow and cut weight. A Helmholtz chamber targets drone, giving sound when you push and quiet refinement when you don’t. It installs with factory brackets and hangers, ends in quad 3-inch polished tips, drops about 10 lbs vs. stock, and delivers gains of +6 hp and +5 lb-ft at 6800 rpm.

Features

• 100% 304 stainless steel
• Single-channel, straight-through canister
• Helmholtz chamber reduces drone
• Uses factory brackets and hangers

Questions or need guidance? Call us—installation and customization available at our Austin, Texas and Los Angeles, California area locations: 512-982-9393 (TX) and 562-981-6800 (CA). Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

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