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Brembo Rear GT Big Brake Kit (2P2.9049A2) - 15-23 Mustang

so you upgraded the front brakes, but now the rear feels weak? that happens. the stock rear setup on the 2015-2023 mustang is honestly pretty basic, and it fades fast if you actually push the car. this Brembo GT Rear Kit (Part# 2P2.9049A2) fixes that imbalance. you get 4-piston calipers and big 380mm slotted rotors. it stops the car way better and keeps it flat during hard braking.brembo is the real deal here. the calipers are stiff and these rotors dump heat like crazy. if you want a firm pedal and consistent braking lap after lap, this is the way to go.

why get this kit?

  • 4-piston power: forget the stock sliding calipers. these are opposed-piston units that grab hard and stay solid.
  • 380mm slotted rotors: these rotors are huge compared to stock. they handle heat way better so your pedal doesnt go mushy after a few hard stops.
  • better chassis balance: when you put this much braking power on the back, the car just feels more stable. it stops diving so hard.
  • red finish: they look killer. nothing beats the look of big red brembos behind your wheels.

what it fits

this fits the rear of these cars:
  • mustang: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
  • models: gt, v6, ecoboost
  • note: this is for the rear axle only.

stuff people always ask

is this for the front or rear?
its for the rear only. in the box you get the two red calipers, two 380mm slotted rotors, the pads, and all the lines/brackets to hook it up.
will they fit under my stock wheels?
probably not. these rotors are 380mm, so they are huge. you really need 19-inch or 20-inch wheels with good clearance inside the barrel. always check a fitment template before you buy, otherwise you might be stuck with wheels that dont fit.
is it hard to install?
if you know your way around a wrench, you can do it. just remember, these are your brakes. take your time, bleed the system right, and if you have any doubts, just have a shop do the work. better safe than sorry. 

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