Overall max power improved from 287HP/250 ft-lbs of torque to 297HP/254 ft-lbs of torque at the wheels. Down low @ 2100 RPM, power improved 6HP/13 ft-lbs of torque, and @ 3500RPM, power improved 9HP/13 ft-lbs of torque. This system is used in the Cayman Interseries and also in the Continental Tire series of Grand-Am. The Race System includes secondary catbypass pipes and dual-tips which will fit the 986 Boxster and 987/987.2 Boxster/Cayman/Spyder/Cayman R. Please contact Fab Speed MSP for more information regarding the Race System for your 986/987/987.2