PPE 116111000 High-Flow Exhaust Manifolds with Up-Pipes | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

GM 6.6L Duramax PPE High-Flow Exhaust Manifolds with Up-Pipes Features: - Greatly reduces back pressure - Stainless Steel Inner Liner Bellows - Pre-drilled & tapered 1/8" NPT for EGT gauge - Stainless steel 11-gauge .120-Inch Up-Pipes - Enhances your truck's power and performance - Straightforward installation Improved Power & Performance for Heavy-Duty Applications Upgrading your stock exhaust manifolds and up-pipes is a key step in building the high-performance exhaust system of your dreams, and the PPE High-Flow Exhaust Manifolds with Up-Pipes for the 2001-2004 GM Duramax 6.6L Trucks is the perfect starting point. This premium aftermarket exhaust manifold and up-pipe kit was specifically engineered to maximize your exhaust flow characteristics to give your GM truck a boost in power and performance. These high-flow up-pipes are internally sleeved and designed to deliver consistent performance even under the stresses of heavy duty applications. Designed to outlast your truck, these exhaust manifolds and up-pipes flow 20 percent better than stock, giving you a boost of confidence every time you get behind the wheel. Premium Construction & Installation Info The PPE High-Flow Exhaust Manifolds with Up-Pipes were constructed using only premium materials to ensure maximum strength and long-lasting functionality. Constructed from stainless steel, with 11-gauge, 0.120-inch wall tubing, these manifolds and up-pipes are designed to withstand even the most demanding driving conditions. For convenience, the manifold comes standard with a pre-drilled and tapered 1/8" NPT for an EGT gauge to make sure your exhaust temps are under control. Additionally, the up-pipes have a increased inner diameter over stock to improve flow without compromise. Installation is also remarkably straightforward, as this exhaust kit can be mounted directly in place of your existing components for a fast and easy process you can complete in your own garage. Vehicle Fitment: 2001, 2002, 2003, 2004 GM 6.6L Duramax Trucks Application Note: This product is NOT legal for installation on vehicles required to meet CARB standards and/or registered in California and other states following CARB standards, including NY and ME.