I have the drilled/slotted on my RT, and I love them. I would buy them again. Look great, no quality issues. I was very pleased with the customer service.
__________________ 07 Brilliant Black RT, Danko 68 grill, Danko Sealed Shaker system, R1 concepts D/S rotors, Quantum Blue fluids, ACES IV, 35% tint, Window visors, splash guards, Demolded, Debadged, Predator, Foose 20"s, BT Shift plate and T handle, Child car seat... "Dulce Bellum Inexpertis" (Sweet is war to those who have not known it) - Erasmus
I've already gone through two sets (about 40,000 miles a set) of R1 Concepts 'premium' rotors on my Charger Daytona RT w/ RT (Sublime Lime - 2007). Bought Posi-quiet ceramic/metallic pads too. The rotors are slotted & drilled and have worked great!! The pads have been so-so, only because they usually develop some mild 'squeal' while braking. I've had my pro-shop look into it... they did some adjustment/sanding, but the squeal comes back eventually. Probably glazing of the ceramic in the pads.
Still - very good rotors and decent pads... especially for the money (under $500 to replace rotors and pads all-around).
The rotors seem good and I get a lot of compliments on them, they do look nice. I'm thinking it's the HPS pads that squeal like a pig, to the point of embarrassing. I've gone thru the bedding process a couple times this year and the squeal goes away for a few days then returns.
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