Add some more horsepower to that GSR with the Injen Technology IS Performance short ram Air Intake Our engineers spent abundant amounts of time designing, testing, and perfecting this product to develop some serious bolt - on power with some killer Horsepower increase. In addition to the impressive power increase, the Injen team has ensured that safe Air fuel (AF) ratios are maintained throughout the powerband. The soul of this intake it is our mandrel - bent aluminum air intake tube that provides a smooth uninterrupted path for highly efficient airflow. Additionally, IS1450P also includes a fully serviceable Injen SuperNano - Web dry air filter, which provides increased filter surface area, allowing for greater airflow and unbeatable filtration. This Injen IS1450P performance intake provides power you can hear It is a truly an upgrade for intake sound which provides an aggressive throaty tone, especially when you put the hammer down. Want to add a personalized touch Well, you are in luck, we offer the IS1450 in a polished (P) finish or a powder - coated Black (BLK). Plus, just like any other injen air intake systems, this intake kit includes the unbeatable Injen limited Lifetime Warranty