Elevate your 2003-2006 Toyota Corolla's performance with the Magnaflow 15807 Cat-Back Exhaust System. Designed specifically for the 1.8L models, this exhaust system delivers a resonant and powerful engine tone that enhances your driving experience. Featuring mandrel-bent 2.25-inch main piping and two straight-through mufflers, it concludes with a single straight passenger side rear exit, equipped with 3-inch polished welded-on tips for a sporty appearance. This cat-back exhaust not only enhances your vehicle's sound but also improves performance, producing moderate exterior and mild interior sound levels that will turn heads at every stoplight. With a direct-fit design achieved through extensive 3D scanning, installation is straightforward and can be handled as a DIY project. Crafted using CNC precision robotic techniques, the Magnaflow 15807 is built to last, backed by a 1-year limited finish warranty and a limited lifetime construction warranty, making it the perfect upgrade for your Toyota Corolla. <b>Features:</b> * Mandrel-bent 2.25-inch main piping for optimal exhaust flow: Mandrel-bent 2.25-inch main piping for optimal exhaust flow * Two straight-through mufflers for enhanced performance: Two straight-through mufflers for enhanced performance * Single straight passenger side rear exit with 3-inch polished tips: Single straight passenger side rear exit with 3-inch polished tips * Moderate exterior and mild interior sound for a sporty feel: Moderate exterior and mild interior sound for a sporty feel * Direct-fit design for easy installation with no modifications required: Direct-fit design for easy installation with no modifications required * CNC precision robotic manufacturing for superior quality and durability: CNC precision robotic manufacturing for superior quality and durability * Backed by a 1-year limited finish warranty and limited lifetime construction warranty: Backed by a 1-year limited finish warranty and limited lifetime construction warranty