在馬自達著名跑車RX8推出一段時間后，其專職改裝廠Mazdaspeed對其性能與外形都進行了升級。第一代Mazdaspeed改裝版在2005年2月上市以來受到熱烈追捧，限量發售的300輛即被搶購一空。
Engine – 引擎
·Greddy Turbo Kit w/ Intercooler
·PWR Radiator
·Agency Power Silicone Hoses
·Agency Power Adj. Blow Off Valve
·ARC Radiator Shroud
·B&B Cat Delete Pipe
·JIC Titanium Exhaust
·Agency Power Crank Pulley
·NX Ntercooler Kit
Suspension –懸掛
·Agency Power Adj. Front Sway Bar
·Agency Power Adj. Rear Sway Bar
·Agency Power Adj. Front Sway Bar Links
·Agency Power Solid Rear Sway Bar Links
·JIC Front Aluminum Strut Bar
·JIC Rear Aluminum Strut Bar
·JIC FLTA2 Coilovers
Brakes – 剎車
·StopTech Front 4piston Big Brake Kit – 14.1 inch 2piece drilled rotor, steel braided brake lines, Axxis Ultimate Brake Pads, custom blue paint
·Rear painted calipers, StopTech drilled rotors, Project Mu BForce pads, Agency Power Steel Braided Brake Lines
·Motul Synthetic Brake Fluid.
國外馬自達RX8改裝車動力系統圖一
國外馬自達RX8改裝車動力系統圖二
國外馬自達RX8改裝車動力系統圖三
