aFe's all new Scorpion series 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 includes a black, high - temp powder coated 4 tip to give your FJ a clean, finished look. 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, ba ffled muffler absorbs high pitch tones producing a powerful, aggressive, smooth tone under load and features an anti - corrosion protective coating. 4 - 12 dia. Stainless Steel Exhaust Tip This exhaust system is finished off with a 4 - 12 dia. high - temp stainless steel exhaust tip that gives your FJ Cruiser a stylish, finished look. Leak - Free Seal High quality band clamps and hardware are used for a complete 360 - degree sealing surface. Perfect Fit OE - style bayonet hangers are used to maintain a stable exhaust pipe location during any driving conditions. The bayonet tip holds the hanger bushin g in place for a long - lasting, OE - style fit. This makes for an easy installation with no cutting required.