The search for the perfect exhaust system for the Dodge Durango SRT is over. Borla gives you their take on how the Durango SRT should sound. This 2.75" diameter Cat-Back™ system was developed with performance and sound in mind on the 392 HEMI engine. The ATAK 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 black chrome on T-304 stainless steel tips on each tail pipe. Using BORLA Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. A system with bright chrome on T-304 stainless steel tips is also available. BORLA Cat-Back™ & 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 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. BORLA exhaust systems are covered under our Million-Mile warranty with the following exceptions. BORLA will warranty black coatings tip finishes and carbon fiber parts for one year.