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Anybody used these before?? "C63 AWE Simulators" managed to pick them up cheap off a C63 owner that's having aftermarket exhaust so no longer required.
Aparantly they keep exhuast valves open at low RPM so when your cruising keeps that nice rumble. As even in Sport+ exhuast doesn't open until WOT or 3k RPM. I think they will be a nice little mod for low speeds.
I know people have mixed reviews with it so I literally just want responses from people that have used it (bad or good)
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
