Magnaflow Performance Exhaust Sport Series Stainless Steel Cat-Back Performance Exhaust System Features: Dyno Tested And Proven To Make Power Performance Gains In Horsepower And Torque Great Sound -Has A Smooth; Deep Tone Easy To Install 100% All Stainless Steel Mandrel-Bent. All Welded. Built To Last. Lifetime Warranty Visit www.magnaflow.com Height: 14.00 Width: 24.00 Length: 49.00 Weight: 52.00 lbs Fitment: 2011/BMW/135i//3.0L 2979CC L6 GAS DOHC Turbocharged::Magnaflow Sport Series; Cat Back Performance Exhaust