Aftermarket Powertrain Parts

Shop aftermarket powertrain and performance parts including intake systems, exhaust systems, throttle-control components and related upgrades for street and performance builds.

Nismo 370z engine with injen technology intake system

Shop All Powertrain Products

- Filter By Fitment, Product Type, Brand, And Price.

About Powertrain

Powertrain upgrades cover the components that help an engine make power and transfer it to the wheels. Our collection includes intake and exhaust parts, engine components, forced-induction equipment, clutch-related parts, differentials, and supporting hardware. The range covers both straightforward bolt-on changes and more involved mechanical projects.

Intakes and exhaust systems are familiar starting points because they change how air moves through the engine and how the vehicle sounds. The results depend on the specific system and application. An exhaust chosen for a comfortable highway drive can be quite different from one selected for a dedicated track car.

Turbochargers, superchargers, camshafts, pistons, and other internal components require more planning around the complete engine setup. Fueling, cooling, calibration, and the condition of the existing engine all become part of the job. Clutch and differential choices also affect how the finished vehicle puts its power to use.

Why We Like Powertrain Upgrades At 9AM:

We enjoy the planning and problem-solving behind a mechanical build. Choosing parts that work together takes more thought than chasing a horsepower number. How the engine responds, how the car delivers power, and whether you still enjoy driving it are the details that make the finished project worthwhile.