The Fabspeed Porsche 987.2 Boxster, Cayman Maxflo Performance Exhaust System Boxster, Cayman (2009-2012) features: 
 
Dramatically improve sports car sound and throttle response with upgraded Maxflo mufflers and CNC precision mandrel bent inlet tubing. Includes Deluxe Bolt-On Dual Style Tips.               
FEATURES:
Fits all Porsche 987.2 Boxster/Cayman, Cayman R, Boxster Spyder vehicles worldwide (2009-2012)
Includes Deluxe Dual Style Tips in your choice of finish. Carbon fiber, brushed or polished stainless steel and ceramic coated. 
Improves horsepower and torque 12 whp and 11 ft-lbs. Multiple by 20% to the crankshaft 14.4hp 13.2Ftlb torque.
Saves 10 lbs rear of the vehicle compared to the full OEM exhaust system
Complies with emissions regulations in all 50 states. 
Guaranteed no check engine light 100% guaranteed.
Constructed from high quality 14-16ga CNC mandrel-bent T304 stainless steel for maximum performance and durability
Noticeable improvement in sports car sound and throttle response
Direct replacement for the OEM muffler with no cutting or welding required.
Designed, engineered, in 1997 over 23 years ago and continually improved.
All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty. Street and Race track unlimited coverage.
 NOTE:
Mufflers have left and right, the mufflers should be mounted as high in the car as possible.