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„¢ systems was developed with performance and sound in mind on the 392 HEMI engine. The S-Type sound level delivers the distinct BORLAÂ rumble and gives the Durango SRT the classic muscle sound without the drone. It contains a Merge X-Pipe for increased performance and improved sound. The system features single 4.5" round black chrome on T-304 stainless steel tips on each til pipe. Using BORLAÂ 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. 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. BORLAÂ exhaust systems are covered under our Million-Mile warranty with the following exceptions. BORLAÂ will warranty black coatings tip finishes and carbon fiber parts for one year.