DNA Motoring BOITCL+PPWRX02SLBK Bolt-On Intercooler+Piping Kit [For 02-07 Subaru Impreza WRX 2.0L 2.5L] High Performance Bar and Plate Turbo Racing Design Helps Reducing Engine Inlet Temperature; Increase 65% Air Flow comparing with other Standard Piping Allow More Horsepower at the Same Boost Level and Even More Power at the Higher Boost Level Direct Bolt-On Front-Mount Installation; Easy to Install Intercooler Size: 35"(L) X 9.5"(H) X 3.5"(W); Core Size: 25.25"(L) X 9.25"(H) X 3.5"(W); Inlet/Outlet: 2.25"/2.25"