2003 Mazda Protege Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures

While still maintaining the required strength and stiffness

FPR Kompact Low Pressure (LP) upgrade for 3psi to 20psi

which is capable of high-pressure and high-pressure differentials (top to bottom)

When using double calipers

JR Wheels SL04 19x8,5 ET20-45 5H BLANK Gold CB: 72,6 HEX Bolts 2003 Mazda Protege Internal WastegatePCD: 5x100, 5x105, 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120 ET: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45