Mazda 3 Big Brake Kit Upgrade / TTSPORT Classic 5440
The Mazda 3's low stance and sharp front end draw plenty of attention, but the factory brake hardware isn't built to match that look — or to handle repeated hard stops. This owner addressed both with a TTSPORT front and rear brake upgrade that keeps everything tucked behind the car's stock 17-inch wheels.
The build centers on the TTSPORT Classic 5440, a forged four-piston front caliper finished in a metallic tone with a special oxidation surface treatment. It's paired with a TT 330x28mm dacromet-coated curved-slot rotor up front and a 325x10mm custom curved-slot oversized rotor at the rear — all fitting inside the car's existing 17-inch wheels.
Vehicle & Kit Specs
Here's the hardware breakdown for this Mazda 3 install:
| Item | Specification |
|---|---|
| Vehicle | Mazda 3, factory 17-inch wheels |
| Front caliper | TTSPORT Classic 5440 four-piston, metallic finish with oxidation coating |
| Front rotor | TTSPORT 330x28mm dacromet-coated curved-slot rotor |
| Rear rotor | TTSPORT 325x10mm custom curved-slot oversized rotor |
The TT5440 caliper's full spec sheet is below for reference.
| Brake Caliper | |
|---|---|
| Series | Classic Series |
| Model / Application | 5440 |
| Axle Position | Front |
| Piston Count | 4-piston |
| Piston Type | Star-profile racing pistons without dust boots |
| Piston Diameter | 38 mm × 2 / 41 mm × 2 |
| Caliper Dimensions | L 276 mm × W 138 mm × H 80 mm |
| Total Piston Area | 49.1 cm² per caliper, all pistons combined |
| Manufacturing Process | Two-piece forged aluminum body |
| Net Weight | 2.65 kg per caliper, without pads |
| Surface Finish | High-temperature gloss coating |
| Recommended Wheel Size | 17 in or larger |
| Recommended Rotor Size | Ø330–345 mm × 28 mm |
| Fitment & Installation | |
| Minimum Spoke Clearance (mm) | 86 |
| Caliper Mounting Type | Radial mount with vehicle-specific caliper brackets |
| Brake Line Fitting Type | Vehicle-specific fittings; caliper-side and chassis-side fittings vary by application |
The 5440's two-piece forged aluminum body resists the flex that a single-piece caliper sees under hard braking, which is a big part of why pedal feel firms up after the swap — less caliper deformation means more of pedal input translates directly into pad clamping force.
Why It Works
- Four-piston forged caliper spreads clamping force more evenly across the pad than a stock single- or dual-piston design, improving modulation.
- The 330x28mm front rotor carries more thermal mass than the factory disc, helping it absorb and shed heat before fade sets in.
- The whole setup was confirmed to clear the Mazda 3's stock 17-inch wheels, no aftermarket wheel change required.
- The 325x10mm rear rotor fills out what was previously open space inside the rear wheel, matching rear braking capacity to the upgraded front rather than leaving it as a weak link.
Installation Gallery
Frequently Asked Questions
Does the TTSPORT 5440 kit fit behind the Mazda 3's stock 17-inch wheels?
What rotor sizes are used front and rear in this build?
Need fitment confirmation? Choose the closest TTSPORT series or send your vehicle, wheel size, and intended use before ordering.