BBK 99-04 Mustang 4.6 GT / Cobra High Flow X Pipe With Catalytic Converters - 2-1/2 Engine Components>Intake Manifold Plenum roto-molded air box that eliminates

roto-molded air box that eliminates the limitations of the factory setup

It's the beginning of your new #lifeonair

The AEM 21-714C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing

(4) 1/4in face ports & (2) 3/8in end ports

BBK 99-04 Mustang 4.6 GT / Cobra High Flow X Pipe With Catalytic Converters - 2-1/2 Engine Components>Intake Manifold Plenum roto-molded air box that eliminatesBBK High Flow performance X pipes are designed to maximize the horsepower and torque of your 1999 2004 Ford Mustang GT 4. 6L 2V and Cobra 4. 6L 4V. Every BBK Performance X pipe is designed as a direct replacement for the factory pipe and features larger diameter 16 gauge 2 1 2 in. CNC mandrel bent aluminized steel tubing with a unique BBK center X section for improved exhaust extraction, along with high flow catalytic converters to help increase