aFe Power Gas Cat-Back Exhaust System for Volkswagen GTI 2018 - 2021

Performance Gains: This system produced gains of up to +15 horsepower and +19 lbs. x ft. torque, as measured on our in-house dyno.3" to 2-1/2" 304 Stainless Steel Construction: This cat-back exhaust system is constructed from 3" to 2-1/2" mandrel-bent 304 stainless steel tubing for maximum strength and durability.High-Flow 304 Stainless Steel Muffler: This system features a high-flow 304 stainless steel muffler, producing a mild sound.Dual 4-1/2" Diameter Polished Exhaust Tips: Finishing off this exhaust system are dual 4-1/2" diameter polished 304 stainless steel clamp-on exhaust tips. The tips features a laser etched aFe POWER logo for a unique style.Resonator Provision: This system has a provision for a resonator (49M10001).Installation: Utilizing factory style hangers, this is a direct bolt-on system that requires no cutting or modifications for a hassle-free installation.Computer-Aided Design: Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment.MIG Welded: 100% MIG welded for race-proven strength and durability.Emissions Disclaimer: This product does not require a CARB EO#.aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.