Transmission Controllers

Who says a grocery getter can't also be a vehicle? We know plenty of you daily drive your pickups and SUVs, and just like your favorite compact car, they deserve some performance love too! Unleash the true potential of your daily driver vehicle with a high-performance transmission controller from Grocery Getter Performance. Tired of sluggish shifts or feeling like your automatic transmission is holding back your engine's power and torque? Our selection of premium transmission controllers allows you to fine-tune shift points, optimize power delivery, and achieve a crisper, more responsive driving experience. Whether you're towing, hitting the trails, or just cruising the concrete jungle, these upgrades give you more control and a much more engaging feel behind the wheel. Find the perfect transmission upgrade to dial in your ride. We've got top-tier controllers designed for popular models like the Toyota Tacoma, Hyundai Santa Cruz, and other awesome daily driver vehicles. Browse the full collection and upgrade your grocery-getter today – your vehicle's automatic transmission will definitely thank you!

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GGP GR Corolla downpipe assembly with welded upper section, flex joint and connecting pipe on a white background

GR Corolla Downpipe Comparison: Features, Fitment and Value

GGP gives GR Corolla owners a straightforward way to upgrade the turbo-side exhaust assembly: stainless-steel construction, TIG welding, CNC-machined flanges and an integrated flex...
Post by Grocery Getter Performance
Oct 01 2026

Corolla 2.0L Manual Clutch Guide: GGP/SPEC, FX250 & FX350

A clutch upgrade should suit the way you use your Corolla: commuting, weekend drives, occasional track days or a build with a specific torque...
Post by Grocery Getter Performance
Oct 01 2026
GGP rear motor mounts with blue, black, and red bushings photographed together in the workshop.

Choosing the Right Rear Motor Mount for Your Corolla or GR Corolla

A good daily driver should still make you look forward to the drive home. For some owners, that means a little more sound. For...
Post by Grocery Getter Performance
Sep 19 2026
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