Magnaflow Performance Exhaust 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: 12.00 Width: 13.00 Length: 46.50 Weight: 34.00 lbs Fitment: 1999/BMW/M3/Base Convertible 2-Door/3.2L 3152CC L6 GAS DOHC Naturally Aspirated::Cat Back Performance Exhaust^^1999/BMW/M3/Base Coupe 2-Door/3.2L 3152CC L6 GAS DOHC Naturally Aspirated::Cat Back Performance Exhaust^^1998/BMW/M3/Base Convertible 2-Door/3.2L 3152CC L6 GAS DOHC Naturally Aspirated::Cat Back Performance Exhaust^^1998/BMW/M3/Base Coupe 2-Door/3.2L 3152CC L6 GAS DOHC Naturally Aspirated::Cat Back Performance Exhaust^^1997/BMW/M3/Base Convertible 2-Door/3.2L 3152CC L6 GAS ...