Dealer is probably only place and since it's a Demon part, guessing they will want you to have a VIN and prove ownership.

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Some company has to make some that fit a challenger with 4 piston Bremen’s

I found a demon vin way easier than the rotors..lol

 

What year is your Challenger? Mine is a 2011 SRT8. My front 4-piston Brembo brake rotors measured 14.174" .
I bought a set of 6-piston Brembos along with 2-piece Rotors. Guess what? The 2-piece rotors for the 6-piston Brembos measure - 14.174"

That's right, its a lift and shift change.

Here's a reference to all Challenger brake sizes: Challenger Brake Rotors: Heavy Metal Discs

 

6-piston rotors are 15.4" through 2020, for 2021 they are now 15.7".

The Demon 2-piece is 14.2".


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I see what your saying...mines a 2019, but I’m sure they are 14.174

I bet the demon rotor would work...

 

I see what your saying...mines a 2019, but I’m sure they are 14.174

I guess I'm not clear, are you saying you have 14.2" rotors with 6-piston calipers?

I bet the demon rotor would work...

Sure, that's the only Challenger that ever used them.




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No I have stock brakes (4 piston brembos)..I want to replace my solid rotors with two piece

 

But will they work with the old style caliper? I have no idea.

The Demon used a different aluminum 4-piston caliper and these appear to be the new Scat Pack 4-piston calipers for 2021.

So get the new calipers and you'll have the ultimate 4-piston setup.

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My car is a 2019 SP with red 4 piston brembo brakes...because the 6 piston calipers and two piece rotors are stupid expensive to buy new, I’d like to just upgrade my rotors to two piece. If anyone’s already done this please tell me where to get the rotors.

 

What do you do if you buy them and it’s not a workable combination? I don’t see an appreciable gain unless your on a track somewhere.

 

I almost cant see how the demon rotors won’t work...they are the same size as my stock rotors....the upside besides track days is unsprung weight and the almighty bling factor.

 

I want to do the same. 2 piece rotors for 4 piston scat pack calipers. I haven't found a source either. Following!

 

RB 2pc Rotor (360x32) Stock Repl for Challenger/Charger/Magnum 06+ & Demon 2018+ FRONT

RB 2pc Rotor (360x32mm) for Challenger/Charger/ Magnum SRT-8 06+ & Demon 2018+ FRONT w/4pot Caliper

racingbrake.com

RB 2pc Rotor (350x28) Stock Repl for Challenger/Charger/Magnum 06+ & Demon 2018+ REAR

A Brake Solution Provider

racingbrake.com

A Guy

 

Those look nice.

$2100 + a pair.