Whether you are bounding off - road or racing to soccer practice, aFe's Scorpion cat - back exhaust system for your 2007 - 2017 Toyota FJ Cruiser with the V6 - 4.0L engine will get you there with speed and style. Designed from 2 - 12 mandrel bent, aluminized steel, this exhaust system offers greater flow to deliver more torque and horsepower than the factory exhaust. This 3 - piece designed cat - back system utilizes a less - restricting, baffled muffler to improve your FJ's performance while maintaining a deep, smooth tone. 100 hand MIG - welded by certified craftsmen for proven quality and durability, the Scorpion exhaust system is designed with a Hi - Tuck style hangers and tip to give your FJ Cruiser extra clearance during extreme angle climbs and descents on or off - road. Flow and Performance This Scorpion Series exhaust system is constructed of 2 - 12 mandrel bent aluminized steel for maximum flow and low turbulence increasing torque, horsepower and improved throttle response. Aggressive Sound 18 less restrictive, baffled muffler absorbs high pitch tones producing a powerful, aggressive, smooth tone under load and features an anti - corrosion protective coating. Hi - Tuck Design Provides maximum clearance when off - roading to give your FJ extra clearance during extreme angle climbs or descents. Perfect Fit OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time.