Adds up to 12 Horsepower. This C&L Cold Air Intake can add up to 12 more horsepower on your stock 2011 to 2012 Mustang GT. Unlike other cold air intakes that require ECU recalibration to properly function, this particular mod requires no tune. This is a more economical option for Mustang owners who want more power and a better intake growl without spending more money on vehicle tuning. This cold air intake from C&L consists of an ABS plastic intake tube that maximizes the flow of air inside the intake manifold. The large diameter air filter and heat shield will suck colder air near the fenders and prevent hot air from entering the system for better performance. Superior Quality Construction. The C&L Cold Air Intake features a larger intake tube made from the finest quality ABS plastic. The high-flow air filter is washable and reusable, saving you more money in the long run. This no-tune cold air intake comes with a calibration insert tube. Insert the metal tube inside the MAF housing to experience a gain in horsepower and performance with no further tuning. Direct Fit Install.The C&L Cold Air Intake No Tune is designed to fit the 2011 to 2012 Mustang GT. The installation process is nothing more than removing the factory air box and air filter and bolting on this C&L Cold Air Intake kit.