New from Brock’s Performance... the Ultimate in RACE exhaust systems for STREET use! Not just an off-the-shelf pipe, these systems are complete performance upgrade packages specifically designed for "serious stock" and Large CC or heavily modified machines. The larger and more powerful your engine is the better this system functions! BUT stock engines LOVE this system also, with power levels which rival even the Generation 3 system! Included are specially-designed lightweight stainless steel header pipes joining to a full race megaphone, complete instructions detailing horsepower-freeing air box modifications which retain the stock air filter for maximum engine longevity, pipe installation instructions and a floppy disk containing maps for use in conjunction with the Dynojet Power Commander for your year machine.