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Porterfield R4S rear pads

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Old 09-10-2018, 10:43 PM
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2015 C63S ,DME Tune, KW Has ,Kmac Bushings,BC Forged wheels,Gt Rotors,Porterfield R4S,Modal Intake
Porterfield R4S rear pads

I recently installed the porterfield's front and rear and the fronts are great , not alot of dust but the rears throw as much ,if not more than the OEM pads . Anyone else finding this ?
Old 09-10-2018, 11:11 PM
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Originally Posted by C3504matic
I recently installed the porterfield's front and rear and the fronts are great , not alot of dust but the rears throw as much ,if not more than the OEM pads . Anyone else finding this ?

I just replace the rears pads mate and its a lot less brake dust.
Old 09-11-2018, 12:11 AM
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Originally Posted by darwin329
I just replace the rears pads mate and its a lot less brake dust.
+ 1

Fronts are at least 80% less
Rears are at least 40-50% less (def not more than OEM)
Old 09-11-2018, 12:17 AM
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2015 C63S ,DME Tune, KW Has ,Kmac Bushings,BC Forged wheels,Gt Rotors,Porterfield R4S,Modal Intake
maybe its just me lol. A friend saw my wheels and thought the rears looked alot more yellow than the fronts so I went to look and it was just the brake dust .The fronts had hardly any but the rears had quite a bit and I really don't drive it much ...that was probably 100 kms
Old 09-11-2018, 12:20 AM
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Originally Posted by C3504matic
maybe its just me lol. A friend saw my wheels and thought the rears looked alot more yellow than the fronts so I went to look and it was just the brake dust .The fronts had hardly any but the rears had quite a bit and I really don't drive it much ...that was probably 100 kms
The fronts can be a bit trippy... after 2 weeks of driving my wheels are still clean.
It's pretty much like having CCB lol.

Rears still produce dust but not as much.
Old 09-11-2018, 10:14 AM
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Has anyone noticed any measurable increase of rotor wear with these pads?
Old 09-11-2018, 01:18 PM
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Originally Posted by Chigs
Has anyone noticed any measurable increase of rotor wear with these pads?
No, you have LESS rotor wear with the R4S, that's why you see less dust.

Last edited by KJ; 09-12-2018 at 02:09 AM.
Old 09-11-2018, 01:45 PM
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where did you guys source all your pads?
Old 09-12-2018, 01:10 AM
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Do the new pads reduce the squeaking at all at low speeds?
Old 09-12-2018, 01:11 AM
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2015 C63S ,DME Tune, KW Has ,Kmac Bushings,BC Forged wheels,Gt Rotors,Porterfield R4S,Modal Intake
My OE pads squealed and drove me crazy , so far no noise at all with these pads

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