GS - 4th Gen (2013-2020) Discussion about the 2013 and up GS models

Slotted Sport Rotors ideas

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Old 05-07-20, 09:52 PM
  #16  
peasodos
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Originally Posted by tungo
Wow those rims look amazing.
Old 05-08-20, 11:38 AM
  #17  
jdpdata
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Originally Posted by tungo
I must have been fortunate, because I didn't experience any brake squeal at all with aftermarket rotors and tried to create the brake squeal by slamming on the brakes.. Never happened and the car is on 20x10/11 wheels. Only time there was ever an issue is after a car wash and there is leftover water residue on the rotors. Calipers were originally painted yellow and later refinished in a powder coat candy raspberry and also rebuilt with new seals with the oem caliper repair kit. Here is the setup all purchased from Skylar at Wheelwell:

- Stoptech Front Drilled/Slotted Rotors
  • Front Left 127.44204L
  • Front Right 127.44205R
- Stoptech Rear Drilled/Slotted Rotors
  • Right Rear 127.44189R
  • Left Rear 127.44189L
- Stoptech Stainless Steel Brake Lines
  • Front 950.44003
  • Rear 950.44504
- Akebono ACT 118 Front Ceramic Brake Pads
- Rear pads are OEM and still have quite a bit of life left.

- Motul Dot 3 & 4 Brake Fluid
I'm running the same rear StopTech rotors. No problems with those. But when I ordered my rotors, StopTech didn't have front rotors in stock so BuyBrakes.com ordered blanks and drilled/slotted them for me to match StopTech. I believe my front are Speed Attack rotors..and they squeal like crazy. I wonder of powder coating the caliper may have somehow help silence any squealing. Mine are just painted Burnt Copper. Fantastic looking wheels..can we get some close-up shots.

Front Drilled/Slotted Rotors (25.8lbs):
SPA-651.44204
SPA-651.44205

Rear Drilled/Slotted Rotors (14.3lbs):
STT-127.44189L
STT-127.44189R

pads:
Lexus OEM 04465-30540 (front)
CENTRIC-105.13911 (rear)
Old 05-08-20, 12:22 PM
  #18  
NickMayer
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Originally Posted by AJLex19
On my non F-Sport GS, on my rear rotors I used ATE Slotted rotors with OEM Lexus brake pads with no squealing or performance issues.

You can see how clean they looked on my post here when it was brand new: https://www.clublexus.com/forums/gs-...ml#post9558362

They were rusted after about 2 weeks and you could barely make out the slotted lines in the metal. If I did it over again, i'd just get OEM rotors (which will also rust just as bad) since the price difference wasn't that significant.
qft

Important to note, issues with Non-OEM seem to be tied to the F Sport model only.

I have Akebono pads on my *non* F Sport and no squeak or noise whatsoever. I did not, however, decide to go non-OEM for the rotors.
Old 05-15-20, 01:17 PM
  #19  
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What side skirts do you have?
Old 05-15-20, 01:18 PM
  #20  
llvll
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Originally Posted by tungo
I must have been fortunate, because I didn't experience any brake squeal at all with aftermarket rotors and tried to create the brake squeal by slamming on the brakes.. Never happened and the car is on 20x10/11 wheels. Only time there was ever an issue is after a car wash and there is leftover water residue on the rotors. Calipers were originally painted yellow and later refinished in a powder coat candy raspberry and also rebuilt with new seals with the oem caliper repair kit. Here is the setup all purchased from Skylar at Wheelwell:

- Stoptech Front Drilled/Slotted Rotors
  • Front Left 127.44204L
  • Front Right 127.44205R
- Stoptech Rear Drilled/Slotted Rotors
  • Right Rear 127.44189R
  • Left Rear 127.44189L
- Stoptech Stainless Steel Brake Lines
  • Front 950.44003
  • Rear 950.44504
- Akebono ACT 118 Front Ceramic Brake Pads
- Rear pads are OEM and still have quite a bit of life left.

- Motul Dot 3 & 4 Brake Fluid
What side skirts do you have?
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