The search for the perfect exhaust system for the Dodge Durango SRT is over. BORLAÂ gives you their take on how the Durango SRT should sound. This 2.75" diameter Cat-Backâ„¢ system was developed with performance and sound in mind on the 392 HEMI engine. The ATAKÂ sound level delivers an aggressive head-turning sound that makes the 6.4L engine roar without any drone. It contains a Merge X-Pipe for increased performance and improved flow. The system features single 4.5" round bright chrome on T-304 stainless steel tips on each tail pipe. A system with black chrome on T-304 stainless steel tips is also available. BORLAÂ Cat-Backâ„¢ & 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 BORLAÂ Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel and is mandrel bent to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit. As with all BORLAÂ products it is covered by the famous Million Mile Warranty.