2014-2019 Cadillac CTS (3rd Gen) CCB Big Brake Kit | Brembo GT6 6-Piston
Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.
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2014-2019 Cadillac CTS / CTS-V (3rd Gen) CCB Big Brake Kit — Genuine Brembo GT6 Front + Genuine Brembo GT4 Rear Setup
The 3rd Gen Cadillac CTS / CTS-V buyer usually arrives here because the factory iron brake package is heavy, dusty, and heat-limited during repeated high-speed stops, while CTS-V owners also care about replacing or upgrading performance brakes without losing pedal confidence. This StopFlex kit pairs Brembo V6 / GT6 / GTS6 6-piston front caliper options with carbon-ceramic rotors up to 380 mm, plus matched 4-piston rear Brembo options, pads, hats, hardware, and lines. The payoff is higher thermal capacity, lower rotating mass, reduced brake dust on open wheels, and a build matched to the customer’s exact CTS or CTS-V trim rather than a generic Alpha-platform assumption.
- Front choices are V6 with the Genuine Brembo OEM Cadillac CTS-V 6-piston caliper on a 370 mm rotor, or GT6/GTS6 Genuine Brembo 6-piston caliper options on a 380 mm rotor.
- Rear choices are V4, GT4, or GTS4 4-piston Brembo caliper options, each matched to a 380 mm rear carbon-ceramic rotor for front-to-rear system balance.
- The 380 mm rotor package requires 19-inch or larger wheels, and spoke clearance must be checked because CTS and CTS-V wheel offsets and barrel shapes vary by trim and wheel package.
Fitment Hard Lines
| Field | Specification |
|---|---|
| Vehicle | Cadillac CTS / CTS-V (3rd Gen) |
| Model years | 2014-2019 |
| Front setup | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options / 380mm |
| Rear setup | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options / 380mm |
| Page type | Complete CCB kit upgrade |
| Minimum wheel size | 19" (for the 380 mm front rotor) |
Every StopFlex kit is bespoke-engineered for your exact model and trim — the brackets, rotor-hat offsets, and caliper mounting are matched to your specific car, not assumed from the platform. This matters because trims that share a chassis name can differ mechanically: a pure M or performance variant often carries different front knuckles/uprights, hub geometry, and wheel axial (ET) clearance than the standard models in the same family, so a bracket and hat offset that bolt onto one are not the same parts that fit the other. StopFlex supplies the calipers, pads, rotor hats, floating hardware, and brake lines as a matched system built to your confirmed trim. Cars with modified knuckles, modified uprights, or non-factory suspension mounting points must be reviewed before ordering and are not treated as direct-fit.
This setup uses a 380 mm front rotor, so the minimum wheel size is 19". Wheels under 19" will not clear the caliper and rotor, and spoke profile and offset affect clearance too — confirm your exact wheels before ordering.
| Wheel Size (Standard) | Disc Range |
|---|---|
| 15" | 260 mm – 285 mm |
| 16" | 285 mm – 300 mm |
| 17" | 300 mm – 330 mm |
| 18" | 330 mm – 355 mm |
| 19" | 355 mm – 380 mm |
| 20" | 380 mm – 400 mm |
| 21" | 400 mm – 420 mm |
| 22" | 420 mm – 440 mm |
Caliper Overview — Front & Rear Balance
Front Caliper (Primary Upgrade)
The front axle uses Brembo V6 / GT6 / GTS6 6-Piston Caliper Options, giving the CTS / CTS-V a larger pad area and more even clamp distribution than a smaller floating-caliper layout. Buyers choose V6 = Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper with a 370 mm rotor, GT6 = Genuine Brembo GT | M6 6-Piston Caliper with a 380 mm rotor, or GTS6 = Genuine Brembo GT | S6 6-Piston Caliper with a 380 mm rotor. Each option uses a genuine Brembo fixed-caliper architecture selected for pedal consistency, thermal control, and compatibility with the StopFlex carbon-ceramic rotor and hat package.
Rear Caliper (Balance)
The rear axle uses Brembo V4 / GT4 / GTS4 4-Piston Caliper Options on 380 mm carbon-ceramic rotors to keep rear brake torque and stability aligned with the front upgrade. Because the CTS family uses an electric parking brake, rear configuration is confirmed around the vehicle’s factory EPB hardware before the kit is built.
Front & rear, engineered together: This kit is engineered as a front-and-rear brake system so piston area, rotor diameter, pad compound, hat offset, and brake lines are specified together. That matters on the CTS / CTS-V because a front-only increase in rotor and caliper capacity can change pedal feel, ABS behavior, and rear stability if the rear axle is not matched to the same use case.
Make It Yours — Color & Logo Customization
Every StopFlex kit-upgrade order can be finished with custom caliper colors, a custom caliper logo, and custom rotor hat colors, so the brake package matches your exact build instead of a fixed off-the-shelf look.
- Custom caliper color
- Custom caliper logo
- Custom rotor hat color
Why StopFlex CCB
Lower Unsprung Mass
StopFlex carbon-ceramic rotors are engineered to reduce rotor mass versus comparable iron discs, helping the suspension react cleaner and the steering feel more precise.
High-Temperature Stability
The carbon-silicon-carbide matrix is built for stable braking behavior at temperatures that can push iron rotors into heavy fade.
Rust-Free Rotor Surface
Carbon ceramic does not form orange flash rust after rain, washing, or storage, keeping the visible rotor face cleaner behind open wheels.
Long Street-Service Potential
In normal road use with matched pads and proper bedding, StopFlex CCB rotors are designed for far longer service life than typical iron replacement rotors.
Low Visible Dust
When paired with matched StopFlex pads, the system produces very low visible brake dust compared with conventional iron rotor and pad combinations.
Premium Ceramic-Glaze Appearance
StopFlex's proprietary coating creates a bright, high-end ceramic-glaze finish with subtle glaze texture and a more premium visual character behind open wheels.
Street-Usable Cold Bite
Street Spec and Track-Day Spec rotors are designed for normal first-stop road use, including cold-weather operation. Motorsport Spec is the competition-focused exception.
Continuous Fiber Reinforcement
Long-fiber carbon ceramic construction improves structural strength and thermal durability versus chopped-fiber approaches.
Heat Management Note
Carbon ceramic rotors tolerate extreme surface temperature, but they do not remove every heat-management requirement. During repeated hard stops, heat can still soak into pads, fluid, seals, calipers, wheels, and nearby components. For long track sessions, mountain descents, or sustained aggressive driving, brake cooling and high-temperature fluid are still recommended.
Street / Track-Day / Motorsport Rotor Options
Street Spec
Ceramic coating, cross-drilled face, and large cooling channels.
Best for daily driving and premium street builds that need clean cold bite, low dust, corrosion-free appearance, and long service life.
Track-Day Spec
Ceramic coating, blank face, and honeycomb cooling channels.
Best for fast-road and track-day use where repeated braking stability matters more than maximum visual drilling style.
Motorsport Spec
Uncoated blank face with honeycomb cooling channels.
Best for race-focused builds that run competition pads, high-temperature fluid, cooling strategy, and a proper warm-up window. Not the default street choice.
Package Scope
| Item | Details |
|---|---|
| Front calipers | Brembo V6 / GT6 / GTS6 6-Piston Caliper Options |
| Front CCB rotors | 380mm |
| Rear calipers | Brembo V4 / GT4 / GTS4 4-Piston Caliper Options |
| Rear CCB rotors | 380mm |
| CCB brake pads | Matched for the supplied StopFlex carbon ceramic rotors |
| Rotor hats and floating hardware | Vehicle-specific hardware package |
| Brake lines | Included for complete kit-upgrade orders |
| Color customization | Custom caliper colors, a custom caliper logo, and custom rotor hat colors are available for every kit-upgrade order. |
| Order scope | Default listing is full-car set when front and rear are specified. Front-only or rear-only orders can be arranged after confirmation. |
| Front caliper option mapping | V6 = Genuine Brembo OEM Cadillac CTS-V 6-Piston Caliper — 370 mm rotor GT6 = Genuine Brembo GT | M6 6-Piston Caliper — 380 mm rotor GTS6 = Genuine Brembo GT | S6 6-Piston Caliper — 380 mm rotor |
| Rear caliper option mapping | V4 = Genuine Brembo OEM Cadillac CTS-V 4-Piston Caliper — 380 mm rotor GT4 = Genuine Brembo GT | M4 4-Piston Caliper — 380 mm rotor GTS4 = Genuine Brembo GT | S4 4-Piston Caliper — 380 mm rotor |
EPB & Rear Caliper Options
This vehicle leaves the factory with an electronic parking brake (EPB) built into the rear brake, so the rear of the kit is built to keep that EPB working. There are two rear paths. The first is a dual-caliper rear: a main performance caliper handles braking while a dedicated EPB actuator caliper is retained alongside it, so the electronic parking brake, auto-hold, and hill-start assist all keep working; on this path the rear performance caliper can be the TTSPORT EP4 / EP4S 4-piston caliper. The second is an EPB-integrated caliper, a single rear caliper with the electromechanical parking-brake motor built in for a cleaner install with fewer parts behind the wheel; on this path the rear is the TTSPORT EP4 / EP4S 4-piston caliper with integrated EPB. Which path fits best depends on your exact trim and EPB configuration, your budget, your appearance preference, and your wheel size and spoke clearance. Confirm your car's rear-brake configuration with StopFlex before ordering so the correct EPB-compatible rear option is built for your kit.
| Rear option | What it is | Rear caliper | Best when |
|---|---|---|---|
| Dual caliper (EPB retained) | Performance caliper plus a dedicated EPB actuator caliper, both fitted on the rear, so the factory electronic parking brake keeps working. | TTSPORT EP4 / EP4S 4-Piston Caliper | You want guaranteed factory EPB, auto-hold, and hill-start behavior preserved. |
| EPB-integrated caliper | A single rear caliper with the electromechanical parking-brake motor built in, for a cleaner install with fewer parts behind the wheel. | TTSPORT EP4 / EP4S 4-Piston Caliper with integrated EPB | You want a cleaner single-caliper rear with full EPB function. |
FAQ
Will this kit fit my exact 2014-2019 CTS or CTS-V trim?
Fitment is confirmed per exact year and trim before production. StopFlex does not treat the standard CTS and CTS-V as a single bolt-on platform because knuckles, hub geometry, brake mounts, and wheel clearance can differ across the 3rd Gen family.
What wheel size do I need for the 380 mm setup?
The 380 mm front and rear rotor options require 19-inch or larger wheels. Barrel diameter is not the only check; spoke clearance, wheel offset, and caliper face clearance must be confirmed against the selected Brembo GT6, GTS6, GT4, or GTS4 option.
Will the electric parking brake still work?
The CTS generation includes factory electric parking brake hardware, so rear kit configuration is reviewed for EPB compatibility before build. StopFlex confirms the customer’s exact trim and rear parking-brake layout before specifying the rear caliper and hardware package.
Why choose carbon-ceramic over iron rotors on this CTS / CTS-V?
Carbon-ceramic rotors reduce rotating mass and brake dust while improving heat tolerance during repeated high-speed stops. On a heavy, high-output CTS-V or a track-driven CTS, that helps preserve pedal consistency and reduces the cleaning burden on open-spoke wheels.
Need Fitment Confirmation?
Send the exact vehicle details, current rotor sizes, and caliper type before ordering.
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