Whether you are bounding off-road or racing to soccer practice, aFe POWER's MACH Force-Xp cat-back exhaust system for your Toyota 4Runner with the V6-4.0L engine will get you there with speed and style. Designed from 2-1/2 mandrel bent, 409 stainless steel, this exhaust system offers greater flow to deliver more torque and horsepower than the factory exhaust. This four piece designed cat-back system utilizes a less-restricting muffler to improve your 4Runner's performance while maintaining a deep, smooth tone. 100% hand MIG-welded by certified craftsmen for proven quality and durability, the MACH Force-Xp exhaust system is designed with a Hi-Tuck style tip to give your 4Runner extra clearance during extreme angle climbs and descents on or off-road. Product Features:Up to +11 HP & +19 Lbs. x Ft. TQ2-1/2 Mandrel-Bent 409 Stainless SteelHi-Tuck Design for Clearance and Greater Approach AnglesIncludes High-Flow 22 Long High-Flow Muffler