COLD AIR INTAKE LOWER MANIFOLD INSULATOR TO SUIT FORD FALCON BA BF FG BOSS V8Exclusive to MACE Engineering, our design registered manifold insulators to suit BA BF FG BOSS V8 engines. Key benefits: Produces a cooler intake and intake manifold charge resulting in more power. A cooler intake charge also reduces the tendency for detonation, meaning more ignition timing or boost for more power! Improve low end torque by increasing runner length. Better fuel economy Reusable over and over again. No undesirable side effects What are