Honda Civic Big Brake Kit Upgrade / TTSPORT Classic 5440
This Civic is barely a year old — still showing off its factory shine and 18-inch wheels — but the stock brakes were already feeling soft at the pedal, the way most compact-car calipers do once you start driving with any enthusiasm. The owner went with a TTSPORT Classic 5440 forged four-piston kit up front, paired with a Dacromet-coated slotted rotor and stainless steel lines, to firm up the pedal without giving up the factory wheel fitment.
The car sits low and clean on its 18s, and that wheel size is exactly why the fitment check matters here — go too big on the front kit and you're stuck running spacers or a different wheel. The goal for this build was a caliper and rotor package that would tuck in behind the stock wheel with room to spare.
Before the wrenches came out, the shop laid out the full kit: the TT5440 forged four-piston caliper, a Dacromet-coated slotted rotor, and TTSPORT stainless steel brake lines. Everything is matched to the Civic's hub and knuckle geometry, so there's no guessing on brackets or fittings once installation starts.
Vehicle & Kit Specs
Here's the hardware breakdown for this Civic build, based on the parts actually installed.
| Item | Specification |
|---|---|
| Vehicle | Honda Civic, 18-inch wheels |
| Front caliper | TTSPORT Classic 5440 two-piece forged four-piston caliper |
| Front rotor | TTSPORT Dacromet-coated slotted rotor |
| Bracket | Vehicle-specific caliper bracket for Honda Civic |
| Pads / lines | Pre-installed brake pads, TTSPORT stainless steel brake lines |
| Hardware | Mounting bolts and brake fluid |
The table below is the official TTSPORT spec sheet for the 5440 caliper used in this kit.
| 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 |
Why It Works
A two-piece forged caliper body flexes far less under pressure than the stamped-steel sliding caliper the Civic ships with. Less flex at the caliper means more of your pedal effort turns into clamping force on the rotor instead of getting soaked up by the housing — that's the difference between a firm pedal and a mushy one.
- Four-piston forged caliper adds pad contact area and clamping consistency over the stock single- or dual-piston setup.
- The Dacromet-coated slotted rotor resists corrosion and helps the slots keep the pad surface clean under repeated stops.
- Stainless steel lines don't balloon under pressure the way rubber lines can, so pedal input stays direct and consistent.
- The vehicle-specific bracket and caliper package clears the factory 18-inch wheel with no spacers needed.
Installation Gallery
With the wheel off, the shop pulled the stock caliper and rotor, bolted on the vehicle-specific bracket, and mounted the new rotor — tucking the fender liner in slightly so it wouldn't rub the larger disc. The TT5440 caliper came with pads already fitted to speed up the install, then the stock brake hose was swapped for the TTSPORT stainless line before the system was bled and topped off with fresh fluid.
FAQ
Does the TTSPORT 5440 big brake kit fit behind 18-inch wheels on this Honda Civic?
What's included in the TTSPORT kit used on this Civic?
Does installing the bigger rotor require modifying the fender liner?
Need fitment confirmation? Choose the closest TTSPORT series or send your vehicle, wheel size, and intended use before ordering.