# MagnaFlow Sys C/B 03 GM Silverado 4.8/5.3L Ec The MagnaFlow Street Series Cat-Back Performance Exhaust System 15792 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Clamp-On Single Wall Angle Cut Rolled Edge tips, this Truck exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Truck's to shame. With this system your vehicle will be producing Aggressive exterior and Moderate interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15792 features a cat-back layout that replaces your ride's stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15792 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty. - Durable Corrosion-Resistant Stainless Steel Construction - CNC Precision Robotic Manufacturing Techniques - Dyno-proven performance This Part Fits: Year Make Model Submodel 2003-2005 Chevrolet Silverado 1500 Base 2004-2006 Chevrolet Silverado 1500 Hybrid 2003-2006 Chevrolet Silverado 1500 LS 2003-2007 Chevrolet Silverado 1500 LT 2007 Chevrolet Silverado 1500 LTZ 2003-2007 Chevrolet Silverado 1500 WT 2004-2005 Chevrolet Silverado 1500 Z71 Off-Road 2007 Chevrolet Silverado 1500 Classic Hybrid 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic WT 2003-2005 GMC Sierra 1500 Base 2003,2006 GMC Sierra 1500 SL 2003-2006 GMC Sierra 1500 SLE 2003-2006 GMC Sierra 1500 SLT 2003-2006 GMC Sierra 1500 WT 2007 GMC Sierra 1500 Classic Hybrid 2007 GMC Sierra 1500 Classic SL 2007 GMC Sierra 1500 Classic SLE 2007 GMC Sierra 1500 Classic SLT 2007 GMC Sierra 1500 Classic WT ## Details - **Price:** 1501.73 CAD - **Vendor:** Magnaflow - **Type:** Catback ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 1501.73 CAD | In stock | --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-sys-c-b-03-gm-silverado-4-8-5-3l-ec) > Updated: 2026-06-29