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A front-only big brake kit is an unfinished job. The TTSPORT ES4 is the essential rear-axle counterpart, engineered to restore proper brake bias and keep your car stable and planted under hard braking. It’s designed to complement a powerful front brake setup, ensuring a confident, predictable pedal and straight-line stability when you're deep in the braking zone.
Built from a rigid two-piece forged aluminum body, the ES4 provides a flex-free foundation for consistent performance. We integrated race-proven technology suitable for the street, including ventilated pistons and high-temperature seals to manage heat and resist fade. Paired with our two-piece floating rotors, this kit sheds critical unsprung mass from your rear suspension. The result is balanced braking, linear pedal modulation, and a clean, motorsport-inspired look behind the spokes.
The following data highlights the engineering behind the ES4's balancing capabilities. Note the specific piston area, designed to complement our front kits, and the lightweight construction for reducing unsprung mass. Your kit comes standard with our M-01 (For Steel Rotors) or M-03 (For Carbon Ceramic Rotors) street performance brake pads.
Caliper Engineering | ||
---|---|---|
Series | Evolution Series | |
Model | ES4 | |
Mounting Position | Rear Axle | |
Piston Count | 4-Piston, Staggered | |
Piston Type | 2-Piece Vented with Dust Boots | |
Piston Diameter | 28 mm / 32 mm (1.10 in / 1.26 in) | |
Total Piston Area | 28.38 cm² (4.40 in²) | |
Construction | 2-Piece Forged Aluminum Alloy | |
Net Weight | 2.80 kg (6.17 lbs) (Single Caliper, No Pads) | |
Finish | High-Temperature Gloss Coating | |
Min. Wheel Size | 18" Recommended | |
Required Rotor Size | ⌀345–380 mm (13.6–15.0 in) × 28 mm (1.10 in) thick | |
Rotor Options (Select One) | ||
Material | High-Carbon Steel | Carbon-Ceramic Composite |
Construction | 2-Piece Fixed (345&355mm) or Floating (380mm+) | 2-Piece Floating |
Venting | Directional Vented | Directional Vented |
Surface Patterns | Curved Slotted / Grainslot / Waveslot / Drilled & Slotted | Cross-Drilled Only |
Brake Pad Compounds | ||
Application | For Steel Rotors | For Carbon-Ceramic Rotors |
Compound Model | M-01 Street Performance | M-03 Ceramic Performance |
Operating Temp | Up to 600°C (1112°F) | Up to 750°C (1382°F) |
Friction Coefficient | 0.38 µ | 0.44 µ |
Supporting Hardware (Vehicle-Specific) | ||
Brake Hoses | 3-Layer Stainless Steel Braided (PTFE Core, SUS304 Braid, PVC Sheath) | |
Rotor Hat / Bell | Custom CNC-Machined 6061-T6 Aerospace-Grade Aluminum | |
Caliper Bracket | Custom CNC-Machined S45C Forged Steel |
Confirm you are running 18" or larger wheels.
Measure from the rotor mounting face to the back of the wheel spokes. You need at least 90 mm (3.54 in) of clearance.
Please use the vehicle filter or contact us to confirm.
Want a printable fitment template? Contact us with your vehicle's year, make, and model, and we'll email you a template to verify wheel clearance.
Yes, this is a comprehensive, vehicle-specific system for the rear axle, engineered for a complete bolt-on installation. Each ES4 kit includes:
Check out how other enthusiasts are running our big brake kits on their builds. Real cars, real results.
View Customer BuildsYou’re here because you’re passionate about your ride, and so are we. We want your TTSPORT brake upgrade to be a total win. Here’s some straight talk to make sure everything goes smoothly, from fitment to bedding in.
Look, we know you get it. Your brake kit is custom-made for your specific car. That means once it's built, it's yours. We can only accept returns if there’s a genuine quality defect from our side.
Sometimes, aftermarket wheels can be tricky. Depending on the design, you might need spacers for clearance. We’ll do our best to help you figure it out, but issues related to wheel spacers don't qualify for a return.
To get this right the first time, we need your help. Before you order, please give us the following info:
We’ll likely ask you to confirm some measurements and send a few photos of your wheels. Please double-check everything you send us. TTSPORT isn't responsible for fitment issues if the specs you provided were off.
We check every single part before it leaves our shop. When your kit arrives, give it a good look-over. If you spot any potential quality issues, let us know within 24 hours.
This is key to awesome performance. Don't skip it.
We build our kits to last, and we stand by our work. Here’s the breakdown:
Recommended Service Intervals:
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