ARC Brazing Mazda RX7 FD3S Twin Turbo Air Intake system featuring premium lightweight aluminum construction with internal velocity stacks for optimized airflow and enhanced throttle response. Includes newly installed high-flow sponge-type filters, BOV, and silicone tubing. Direct bolt-on replacement for the stock airbox on 1991-2002 FD3S models (13B-REW engine). Washable, reusable filter elements deliver performance gains across the low-to-mid RPM range while improving engine bay aesthetics. Engineered to reduce turbo lag and increase acceleration efficiency. Note: One securing rubber washer is missing and there is minor damage to the underside. Sold as-is at this price, or available fully restored at a premium price upon request.
