DPF-Back Performance Exhaust Kit - Single Exit for 2023 – 2025 GM 3.0L Duramax 304 Stainless Steel Don't settle for inferior 409 stainless steel exhaust systems. Wake up your truck with the PPE DPF-Back Performance Exhaust Kit. With the PPE free-flowing exhaust system you will see increased fuel economy, reduced back pressure at the manifolds, more power, and quicker engine response. This PPE DPF-Back Performance Exhaust Kit is 100% constructed with high-grade, mandrel bent 304 stainless steel tubing which offers superior durability and weather resistance. The kit utilizes factory hanger locations and replaces your muffler equipped factory exhaust system from the exhaust valve back to the tailpipe. The 304 stainless steel tubing is available in your choice of raw or fully-polished finish. Tips are available in a ceramic coated black or a fully-polished finish. Kits come complete with 304 stainless steel clamps. Limited lifetime warranty on PPE 304 Stainless Steel Exhaust Systems. One-year warranty on optional Black Ceramic Coated Tip finish. OEM P/N for Reference: GM 84495633, GM 84495632 Note: This kit requires cutting the factory exhaust