The aFe Twisted Steel headers are high-performance exhaust components designed for the 2011–2021 Jeep Grand Cherokee WK2 with a 5.7L V8 engine. Crafted from 1-5/8 inch mandrel-bent stainless steel tubing, these headers are engineered to maximize strength and durability while enhancing engine performance. They deliver measurable gains of up to 6 horsepower and 7 lb-ft of torque, as verified on a proprietary dyno. The coated surface reduces external temperatures and engine bay heat by up to 46%, contributing to improved thermal management. Factory-style laser-cut and machined flanges ensure a secure, leak-free seal, supporting optimal exhaust flow and performance.
These headers are a direct bolt-on upgrade for 2011–2021 Jeep Grand Cherokee WK2 models equipped with the 5.7L V8 engine. They are designed for enthusiasts seeking increased horsepower, torque, and improved exhaust efficiency for street or performance driving. Installation involves replacing the factory headers with these high-quality stainless steel units, which are compatible with the stock exhaust system. The kit includes all necessary components for a straightforward installation, making them suitable for both daily drivers and track enthusiasts looking to maximize their vehicle’s performance.
