MAGNAFLOW STAINLESS DUAL CAT-BACK EXHAUST SYSTEM Fits Dodge Challenger SE 3.5L V6 2009 + Part Number: 16500 Magnaflow's Stainless Dual Cat-Back Exhaust System for the Dodge Challenger SE 3.5L V6 (PN 16500) is a complete Bolt-On Cat-Back Exhaust System. Get rid of your boring Single Factory Exhaust and Replace it with an Authentic Magnaflow Stainless Dual Cat-Back Exhaust System. Great Sound and Increases Power Output by 8 Horsepower & 8 Lbs of Torque (see images for dyno sheet) V6 3.5L 4 x 9 x 11in. Dual Rear Mufflers, w/Front Resonator, 3in. Quad Tips, Requires Rear Fascia Modifications, DUAL REAR EXIT Material: 100% Stainless Steel Tubing O.D. Size: 2.5in. System Type: Cat-Back TIP O.D. Size: 3in. TIP Quantity: 4 Single/Dual: Dual Rear Mufflers Exit Position: Rear Exit Features and Benefits: Lifetime Warranty, Dyno Tested And Proven To Make Power. Performance Gains In Horsepower And Torque. Great Sound -Has A Smooth; Deep Tone. Easy To Install, Mandrel-Bent. All Welded. Built To Last.