aFe ATLAS 4 IN Aluminized Steel Race Pipe GM Diesel Trucks 15.5-16 V8-6.6L (td) LML - 49-04055

The new ATLAS exhaust was engineered to perform in the most extreme environments. Constructed from mandrel bent aluminized steel tubing for increased exhaust velocity, these systems are designed to maximize horsepower and torque gains, while lowering EGTs. The 2-piece tailpipe and bayonet style hangers provide a hassle-free installation. To provide a leak-free seal, OE style band clamps are included to offer an improved seal.