Fits: 2005–2010 Chrysler 300 2006–2010 Dodge Charger 2006–2008 Dodge Magnum Borla140407CatbackThis system features a merge X-Pipe and 2.75" pipe throughout for increased performance and improved sound. It is perfectly suited for additional engine modifications. This system features the aggressive ATAK(r) sound and exits through 4" bright chrome on T-304 stainless steel tips. BORLA(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numeric control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.Borla 140407 ATAK Cat-Back exhaust system includes a merge X-pipe and 2.75 in. pipe throughout for improved performance and is perfectly suited for additional engine modifications. The system features CNC-machined T-304 austenitic stainless steel construction, ultra-smooth mandrel bends, and bright chrome stainless steel tips to ensure maximum flow and power, an accurate fit, and the best in performance and durability with style. Borla’s ATAK (Acoustically Tuned Applied Kinetics) exhaust technology enables complete control over the acoustical note of an exhaust throughout the rpm range, pumping the volume while retaining clarity of sound and 100 percent of the power-adding capabilities of their patented multi-core design.