BMW 325i Performance Exhaust - Dinan - Freeflow Axleback + Tuned Resonance Chamber - Polished - `01-`06. A precision axle-back for E46 325i owners seeking freer flow and a refined, sporty tone without excess cabin noise.

Built from 100% 304 stainless with rigid 20-gauge muffler cases, this Dinan axle-back uses a Tuned Resonance Chamber and drone-abatement to balance power and civility. It cuts about 11 lbs versus stock (~17 lbs vs 28 lbs) and, with the proper software, yields up to +5 hp and +4 lb-ft at 6500 rpm. Dual 2.5-inch polished tips and factory-bracket mounting provide an OE-like fit.

Features

• Freeflow axle-back; polished finish
• Tuned Resonance Chamber; reduced cabin resonance
• 100% 304 stainless construction
• ~11 lbs lighter than stock
• +5 hp/+4 lb-ft @ 6500 rpm (with software)

Questions on fitment, sound, or installation? Call our team—installation and customization are available in Austin, TX and the Los Angeles, CA area: 512-982-9393 (TX), 562-981-6800 (CA).

If you are considering 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