aFe POWER Mach Force-XP series cat-back exhaust system for the Toyota 4Runner with the V6-4.0L engine provides speed and style. Designed from 2-1/2″ & 3″ mandrel-bent, 304 stainless steel, this exhaust system offers greater flow to deliver more torque and horsepower than the factory exhaust. This 4-piece designed cat-back system utilizes a less-restricting, high-flow, 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 includes a 4″ x 12″ resonated exhaust clamp-on tip to give your 4Runner a clean, finished look.

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