Dinan F9x X5M/X6M Foundation Package (F), part F9X-X5MX6M-S63-F-B. Includes Dinan Cold Air Intake D760-0056, Valved Axle-Back Exhaust with Black Ceramic Tips D660-0090-BLK, and High Flow Middle Exhaust D660-0092. Dinan lists maximum gains of +6 HP and +5 lb-ft of torque from the exhaust, reduced intake restriction, improved throttle response, and retained computer-controlled exhaust valves. Emission Code 7; Dinan currently states this package is not legal for sale or use in California while CARB testing is pending.