Transmission Systems

Even grocery getters sometimes haul a bit more, or just demand bulletproof reliability under power. Your transmission is the heart of getting that power to the pavement, and a weak link means wasted potential and frustrating shifts. We understand that a robust drivetrain is crucial for daily drivers that work hard and play hard, ensuring every bit of horsepower makes it to the wheels. Whether you're looking for heavy-duty clutch kits that can handle more torque, stronger flywheels, or complete transmission upgrades to ensure seamless power transfer, we've got you covered. From robust manual transmissions to reinforced automatic gearbox components and differential upgrades, our selection helps you put the power down reliably. We focus on durable drivetrain solutions for popular Toyota, Mazda, and Hyundai models, ensuring your daily driver can take whatever you throw at it. Don't let a wobbly gearbox or slipping clutch hold your build back. Upgrade your drivetrain for snappier shifts, enhanced durability, and the confidence to push your grocery-getter harder. It's all about making your drive more enjoyable and worry-free, no matter the load or the road. Browse the full collection and upgrade your grocery-getter today.

Blog post

Inside an 820 WHP Mazdaspeed3 Built by Grocery Getter Performance - Grocery Getter Performance

Inside an 820 WHP Mazdaspeed3 Built by Grocery Getter Performance

There are Mazdaspeed3 builds with a few bolt-ons, and then there are builds where nearly every part of the car has to work together...
Post by Grocery Getter Performance
Aug 20 2026
GGP Parts in the Wild: Real Corolla & GR Corolla Builds - Grocery Getter Performance

GGP Parts in the Wild: Real Corolla & GR Corolla Builds

One of the best ways to judge a performance part is to see where it ends up after it leaves the box. We went...
Post by Derek Peavy
Aug 18 2026
GR Corolla Intake Upgrades Explained: How Ducting, Intakes, and Turbo Inlet Pipes Work Together - Grocery Getter Performance

GR Corolla Intake Upgrades Explained: How Ducting, Intakes, and Turbo Inlet Pipes Work Together

The Toyota GR Corolla is an incredible performance car right out of the box, but like most modern turbocharged vehicles, its factory intake system...
Post by Derek Peavy
Mar 23 2026