Big Sound. The MBRP AL Series Cat-Back Exhaust with Polished Tips; Race Race Version is all about a unique sound and style. This uncompromising engineering delivers true muscle car resonance that’s simply unforgettable and fun. High Impact. The performance gains this design delivers is sure to give your Challenger a whole new attitude. Dyno Proven to improve horsepower, torque, and throttle response, the mandrel bent tubing provides increased, even airflow for a smooth and commanding performance. Formidable Construction. Manufactured for a robust performance, this exhaust is made from a heavy-duty aluminized steel. The exhaust tips are built from a premium T-304 stainless steel, ensuring durability and added style. Resistant to rust and corrosion, you won’t have to worry about deterioration from the elements. Installation. Durable hardware comes with this easy, bolt-on installation. Common garage tools are needed, and the install time is estimated at approximately 1 hour. No modifications or welding are required. Warranty. Any flaw or defect found in the materials or craftsmanship due to faulty manufacturing will be covered in full with a 3-year limited warranty. Application. The MBRP AL Series Cat-Back Exhaust with Polished Tips; Race Version is built to be a direct fit for all 2015-2023 Dodge Challenger 6.4L HEMI models. Warning. www.P65Warnings.ca.gov